Steamer

[steamer]

Well after a lot of prodding from Greg and Lou I guess this is the start of my thread. This weekend the three of us went in with the Campbell River model railway club for their annual train show. Albert and Jordy from the Port came over and it was a fun time with about 850 people threw the doors.

The first video is for Scott as it's his #1 Cat getting her feet dirty in the coal pile.
http://i1235.photobucket.com/albums/ff436/steamer2/th_CR2002.jpg (http://s1235.photobucket.com/albums/ff436/steamer2/?action=view&current=CR2002.mp4)

Next vid is mister smoothy Greg loading my G scale train for delivery
http://i1235.photobucket.com/albums/ff436/steamer2/th_CR2008.jpg (http://s1235.photobucket.com/albums/ff436/steamer2/?action=view&current=CR2008.mp4)

I have more pictures but we'll see how this works out.
Rob

[TheMachinist]

Steamer

Glad to see you start a thread.
I had a great time at the show.
Thanks Albert for letting me run the Skid Steer. Now I have to scrub all the coal dust off of it before I return it:D

TheMachinist

[Stuff]

lol invading them trains were ya?

[aseejr]

Greg, Lou and Rob,

Thanks for letting us play on your job site. It was a blast. Can't wait for the next time.

Albert

[Vanisle]

Looks like you had a good time. I would have liked to come out but I had to work. Maybe next time.

[steamer]

Thanks for the comments guys. here's some more.

Jordy making a ramp to the Mack.
http://i1235.photobucket.com/albums/ff436/steamer2/th_CR2001.jpg (http://s1235.photobucket.com/albums/ff436/steamer2/?action=view&current=CR2001.mp4)

Lou swinging some big logs
http://i1235.photobucket.com/albums/ff436/steamer2/th_CRMuseum006.jpg (http://s1235.photobucket.com/albums/ff436/steamer2/?action=view&current=CRMuseum006.mp4)

General scene of the tables.
http://i1235.photobucket.com/albums/ff436/steamer2/CR2004.jpg

Lou and Greg in the distance talking as usual
http://i1235.photobucket.com/albums/ff436/steamer2/CRMuseum002.jpg
Rob

[carp]

nice videos! hitachi operator was so smooth, is he made of silk? :p

[steamer]

Well I guess that I should start a truck build and this is my first RC truck. Was a Wall Mart last year and saw this Freight liner dump with pup. Thought that it might be a good truck to model
http://i1235.photobucket.com/albums/ff436/steamer2/2freightliner002.jpg
Took it home and put it away and that was it, till I met up with Lou and Greg at a train show in Port Alberni. Seeing the great models that they had, I was hooked. Back in the sixties I worked for the Four Wheel Drive Corporation in Kitchener on the end of the highway truck line. We built one cab over with a longer frame that had a dump body installed buy Frink. That truck always stuck with me, so I decided why not build it from the Globe Liner. The first thing to do was install a longer frame and put on plenty of fuel for the long haul trips.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild006.jpg
I also ran the cab through the table saw to go from a 108" cab to a 96".
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild001-1.jpg
Thanks for looking
Rob

[aseejr]

Nice Rob!

Pretty soon you're going to keep Greg and Lou busy loading your truck.

[SmallHaul]

Rob, I don't know how I missed this thread?:o

Thanks for the videos of the Delta Loader working.:)

That is a tiny battery you are using in it Albert.

The progress of your Cab over and trailer will be fun to watch.

Nice operating Greg, loading into that small train hopper really shows some good skills!

The vid of Lou moving that huge log is cool, the log is almost as big as the machine.

Looks like you guys had a blast. Having the equipment closer to eye level really makes it more enjoyable. Thanks so much for sharing!

[RCLogger]

Nice looking truck Rob
I didn't know what a FWD was until I ran into you. Looking forward to loading it up and putting it to work.

greg

[aseejr]

That is a tiny battery you are using in it Albert.


Scott,

I use a 2cell 1300mah lipo pack in it (it is actually the flight pack for my Align 600E heli).

Albert

[Stuff]

that is a good choice to model! lol

[RCLogger]

Looking forward to seeing the shinny paint job... Pic's Pic's

greg

[steamer]

Just for you folks that have never seen an FWD truck, here's a picture.
http://i1235.photobucket.com/albums/ff436/steamer2/brokers_dist_fwd.jpg
Work to convert cab is next.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild014.jpg
Trying to form headlight buckets. At first one piece .060 and in the end laminated two .030 pieces.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild015.jpg
Made the mistake of using the green stuff.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild046.jpg
Thanks for looking.
Rob

[SmallHaul]

Wow! Nice styrene work. It looks really good Rob.

[Dreamweaver]

Nice job on the styrene work Rob. Bending the stuff and having it stay there is not easy. Building it up like you did is usually the best way to do it.

Now I am confused, is it going to be a freightliner or a FWD?

-Mike

[Lil Giants]

Interesting new look for the globeliner donor, a great start so far Rob. :cool:

You'll have to get Greg & Lou to help ya with making a youtube account for future videos cause I just cannot get any of your vids from the railroad show to load. :(

[steamer]

Thanks Scott and Mike for your comments on the styrene. This is a first for me for this type of construction, but it was fun learning curve. Up till now it's been strictly metal. Plastic melts when you burn coal. Mike, sorry for the confusion, but yes it will be a ForWarD Mover all the way. The Freightliner was just for the concept. I was thinking about it, but it would have been an even bigger mod than what I'm doing. Remember this is my first truck.
Joe, don't know what to say, yours is the first that wouldn't work. Anyone else have a problem. I have a U tube acct. but thought it would be easier to just use one place to link everything for the build.
Rob

[steamer]

After sanding and filling too many time to count, I gave her a shot of primer.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FDWBuild052.jpg
The grill was made from a second globe liner grill and the two were sectioned together. I all so attached an extension to the fender flare that runs to the back of the cab.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FDWBuild053.jpg
Next up was to add on some of the lights and stacks to get a feel of how it was going. Even tried new wheels. Sorry Steve didn't know you were making them when this was done.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild066.jpg
Next up was making the screw drive and I didn't think to take pictures until it was painted.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild001.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild002-1.jpg
Thanks for looking. Rob

[RCLogger]

Looking real good Rob
Alot of shinny fuel tanks, I hope the excavator bucket stays well clear. No NEWBY hoe operators allowed...lol

greg

[aseejr]

Looks awesome Rob!!!

[steamer]

Next up was making a mock up for the box. I thought about aluminum but after checking out styrene I took the easy way.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild012.jpg
Didn't come out to bad, so I went ahead and built one with all the detail.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild001-2.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDBuild006-1.jpg
Thanks for looking.
Rob

[ihbuilder]

that looks real sharp Rob . I like the pic in the background , what road name are they ? looks like reading lines' colors unless my eyes deceive me

IHSteve

[Lil Giants]

Xllnt work Rob. :cool:

How you gonna fashion a tailgate lock? Ya need one of them. ;)

A little tip to improve your traction (especially when empty and tugging your pup) and to lock the tire to the rim without gluing is to add air rifle BB's.

[steamer]

Thanks Steve. The loci in the picture is Canadian National 6400 Northern. Built back in 1936. Started to build one, but sold it when I moved here from Ontario. Would be nice to have now. Always my favorite.
Rob

[steamer]

I did build a lock for the gate as follows. First made lock arms from some .060 brass. cut two pieces of 1/8" dia. drill rod and silver soldered on the arms. Cut a piece of 1/4" drill rod and drilled and taped 8-32 right the way through. Made up and silver soldered on a brass arm to link up to the servo.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Tailgatelock001.jpg
Threaded the 1/8" drill rod 10-32 thread and installed it with lock nuts to keep the arm parallel and from turning
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Tailgatelock002.jpg
Mounted small servo from Helli to the box hooked up the linkage and it worked.
Last photo is the down stop switch for the screw drive. It has a diode bridge on it so it will reverse to go back up.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Tailgatelock007.jpg
Thanks for looking
Rob

[Lil Giants]

That looks pretty nifty Rob and I like how you made your pintle plate too. Lots of trick ideas already on this trk. :cool:

Is that pintle from PMD?

[SmallHaul]

Nice work on the latch mechanism Rob. Looks great.

[9W Monighan]

Can you draw a diagram of the wiring? sounds interesting

[grumpygrady]

i like the look of the saw marks on the ends of the plastic
they look like steel after being cut with a plasma cutter and a gas axe
nice detail lol


http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Tailgatelock001.jpg
Threaded the 1/8" drill rod 10-32 thread and installed it with lock nuts to keep the arm parallel and from turning
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Tailgatelock002.jpg

Thanks for looking
Rob[/QUOTE]

[steamer]

Thanks for all the comments on the build. The pintle is from PMD and I think it's a good product. May have to install a spring to keep the lock closed.. Never thought about the edge looking like a plasma cut but it does. Tried a lot of different methods for cutting styrene and ended up using the band saw with 18 tooth blade. It cut the fastest and left that edge. I'll do up a drawing for the switch and post it later.
Back on the dump box. After it was finished I gave it a coat of Modelmaster Chrome silver and made the overflow boards for some mahogany.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/DumpBox004.jpg
In this photo you can see the servo for the tail gate latch.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/DumpBox009.jpg
I also had to shorten up the cab floor. I worked it out and was able to fit in the 12 volt battery for the dump. Two esc's are for truck drive and dump
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/DumpBox008.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/DumpBox007.jpg
Next up will be painting the cab.
Thanks for looking
Rob

[steamer]

I also did a short vid of the box in action. It was able to lift 25 lbs no problem.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/th_DumpBox014.jpg (http://s1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/?action=view&current=DumpBox014.mp4)
Rob

[RCLogger]

Looks great Rob
I really like the speed and the power of the box. Can't wait to see it loaded up.

Almost time to start another project....

greg

[steamer]

Well I was able to get the white on for the first coat of paint. not much to see but it getting close to the finish.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Firstcolour001.jpg
Thanks for looking
Rob

[russisloud]

i can't wait to see how the paint job comes out on the cab. looking good!

[steamer]

Just thought that I'd put up a couple of teasers till I get all the chrome on her.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDFinish015.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDFinish007.jpg
I'll try to get the rest of the pictures up when she's finished.
Thanks for looking.
Rob

[tracksntreadslou]

Hey Rob paint turned out great..good colour choice..Cant wait to start bashing the side of the box with my excavator bucket ...lol

[TheMachinist]

Wow the truck turned out great! You sure put alot of detail into this project. everytime I look at the pictures I find something else i missed before.

[chaseracer]

great looking truck Rob, the box looks perfect nice job. very clean build.

[Iron Art]

Steamer, Boy that truck turned out nice, another great build from one of the Vancouver Island gang! Fred

[steamer]

Thanks Lou, Jordy, Jason and Fred for the comments on the build. Really enjoyed building this truck as my first. As most of you know I'm into anything that moves or has wheels. Already started on the trailer and that will have some unique things on it to make it different. I finally got the truck finished and am pleased with the way it turned out. Only have to get the FWD decals made and applied and it's finished. Here's some more pictures.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDfinal007.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDfinal018.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/FWDfinal028.jpg
The windshield wipers were the hardest part of the build and I think it took about eight tries to get them close to right.
Thanks for looking.
Rob

[ihbuilder]

looks :cool: Rob , I like the detail on the bumper , 1 day when I feel comfy going to the smaller size taps , I may give it a try

IHSteve

[RAIDERS]

lookin good!!!

[SmallHaul]

That turned out really nice! Good job.:)

[D8R]

Nice one of a kind truck! The windshield wipers looks real good, can you get us a close up photo?? Are they made from brass profiles (K&S)? (Need to do some to my D8).
Dan

[RCLogger]

Looks great Rob
I hope the hoe operators don't treat your truck to bad. They tend to have a BAD attitude...lol

greg

[aseejr]

Are you telling everyone to keep their equipment away from those hoes? LOL

Albert

[Dreamweaver]

Wow Rob, it turned out great. And FAST....

~Mike~

[doodlebug]

Hey Rob, sideboard insurance LOL, usually beer or other fine beverage!:p
Later, Neil#2 aka doodlebug.

[steamer]

Thanks for all the comments on the truck. I actually started the truck back in Sept but didn't want to start the thread till I was sure on how it would turn out. On the wipers I only used the ones that came with the Globe liner and lengthened the arms with styrene stock. The trouble that I had was to get the arms to lie flat on the glass because of the angle. Bending the arms after they were glued, they just kept breaking.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Wipers005.jpg
Steve the only way that I use small taps is with white lead paste the boat guys use to caulk their hulls with. I use it mixed with oil in a 70/30 mix. Oil 70 Paste 30. You have to stir it before use as the paste settles out. A machinest friend of miine showed me that and I've broke very few taps since.
One more shot with clearance lights decals.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Wipers007.jpg
I'm still working to get the drawing up of the limit switch on the screw drive.
Rob

[9W Monighan]

HMM, Another white lead user. I use that stuff for threading too sometimes. I also use it to keep metal from galling in a bending die and for pressing shafts. Warning: "Do Not Eat" if anybody with any common sense would know. These days this is considered toxic waste I guess too many kids in housing projects ate too much off of old window sills in the 1970's:rolleyes:

[steamer]

Hey Steve your right about not eating it. I'm not encouraging anyone to use it either, but it's still available for sale for boats and it does work great for tapping. My original baby food jar is about 20 years old and I just top it up with oil every once and a while

[steamer]

Yesterday started working on the dump trailer to go with the FWD. Had some extra axles so I though, let's see how it looks as a Michigan special.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Trailerstart007.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Trailerstart010.jpg
What do you guys think. I'm thinking I might have to take it back to two on each end, as it might be hard to pull when full.
Rob

[TheMachinist]

The trailer looks good.
What about making the two center axles steerable to reduce the scrubbing when you turn. It should follow like a standard 2 axle trailer then.

Jordy

[tc1cat]

Truck and trailer look GREAT!! Where did you get the brass hex head bolts you used in the bumper?

Lynn

[Lil Giants]

I intend to make one similar one of these days & try a 6x4 tandem trk to pull it. I'm gonna go with a single axle front & tandem rear with a 16' box... and hope the trk can pull it off road.

JMO, you might try tandem - tandem with a 20' box. :confused:

[chaseracer]

trailer is looking great, I think you should take out the middle two axles, and make it standard quad trailer. like the ones you would see here on the island. there are lots up your way hauling to hazco everyday. I loaded two quads for up there today. :D

[steamer]

Thanks for the comments guys.
Lynn. The small brass bolt come from Walthers model railroad parts. 0-80
http://www.walthers.com/exec/search?quick=hex+screws
I've also used American model engineering supply, and they have brass and steel.
http://www.americanmodeleng.com/id14.html
Jordy Great idea and I thought about that, but would make it more complicated to install steering axles.

Joe and Jason. I think I'll go with your suggestion tandem front and back, What I think I'll do is make the box a 20 footer but keep the full length trailer. I'll put the box centered on the trailer like a transfer, but have it dump at the back. Should be able to build a screw drive that will move it to the back and then dump. here's an idea, What do you think.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Trailer013.jpg
Sorry for the poor image. Hard to see with white background.
Rob

[W900snowman]

I think you still have room for 1 more axle in there, never too many.
Just kidding, I agree that the tandem front and rear would look pretty sharp. Nice work.

[RCLogger]

I think you should go with four axles total, maybe you could pull two axels out and post a photo so we can compare. Great idea for a transfer type box .

greg

[steamer]

Thanks Greg. Great idea. Never thought but when I build the dump for the truck I made it so that you pull two pins and it's off. Well I did that and put it on the trailer frame and I think it's just about the right size at 16". What do you think.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Tranfer006.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Tranfer007.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/Tranfer003.jpg
Thanks Rob

[doodlebug]

Hey Rob, ever thought of making it, into a transfer dump? http://www.youtube.com/watch?v=SiBIYAiIajM Later, Neil#2 aka doodlebug

[Brian in PA]

Wow this is a cool build! I'm not sure how I missed it.:o

Brian

[Tamiya Cowboy]

Wow this is a cool build! I'm not sure how I missed it.:o

Brian

LOL :D Truly a stunning build nice work..

[chaseracer]

looks way better with 4 axles, as cool as the transfer is something like this would look sweet behind your awesome coe.
http://i255.photobucket.com/albums/hh151/chaseracer/semi/250sq.jpg

your reach on you trailer might need to be a bit longer too if you want to dump the truck with out unhooking the trailer. just some thoughts, this is one awesome build. . can't wait to see more

[tracksntreadslou]

Looking good rob..On my way to work this morning I saw a beauty KW all chromed out and lit up like a xmas tree with one of those trailers pulling behind..Wish i would of had my camera with me ...Gona be a nice pair when done and you can get in that line up that joe has ..lol

[chaseracer]

Looking good rob..On my way to work this morning I saw a beauty KW all chromed out and lit up like a xmas tree with one of those trailers pulling behind..Wish i would of had my camera with me ...Gona be a nice pair when done and you can get in that line up that joe has ..lol

was it blue Lou ? if so that is lil bro trucking from victoria, I loaded that truck last night he was heading up you way this morning, you will probably see it again tomorrow.

[tracksntreadslou]

I think It was Jason ..Both boxes truck and trailer were very highly polished aluminum..Id be nevous about loading him as an operator

[steamer]

Neil. When I started the build that was my intention, for a transfer truck and trailer. The problem was how to make the high lift tail gate on the box. I though of air, hydraulics, using a winch or some springs but just could not get any of it to fit in that tight space. So if you have any thoughts that you might share I'm all ears. That's the best part of this forum. How about this one
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/87548892.jpg
Two trailers back to back..

Brian and Paul. Glad you found the build and thanks for the compliments. It's been a fun build.

Jason you have me thinking between the one you suggested and this one.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/77668180.jpg
The only reason I'm thinking this one is I wouldn't have such a long thread on the screw drive and when that box is full it's going to be a heavy lift.
With a short box the screw drive will move it to the back and then lift, so it will kinda have the transfer look.
Lou did it look like this, It sure is a nice rig.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/dsc_1841.jpg
Thanks guys for all the replies and keep them coming
Rob

[doodlebug]

Hey Rob, Are the linear servo's that Izzy used too big for tail gate lift?
http://www.firgelli.com/index.php Now the next question? A while back I saw a video on you tube, for an Austrailian logging trailer set up, multiple trailer's that folded up on each other. Thank's, Elliot330 and Tracy! http://www.youtube.com/watch?v=l6877RfBzdU&feature=related
http://www.youtube.com/watch?v=NOdXMUeWgY0&feature=related

Any way's, that rc trailer had a real neat chain drive setup, that would work for the transfer trailer. I think it would take a battery and receiver under the trailer. Winch drive, or screw drive for pushing the transfer box, into the truck box?
Cost my be getting out of control for this idea? I don't know what radio you are using? Will your's support 2 reciever's?

Ok, next question, how to make the tailgate work on the transfer box, when it's in the truck?

Later, Neil#2 aka doodlebug.

[ihbuilder]

Rob , I built a high rise tailgate on my 9370 , I'll have to get some pics for you . if you have room for 2 645mg servos under the box in the back , you could make some linkage arrangement to lift the tailgate . I have mine up buy the dog house in the body . here check this site out http://www.jmhtrailers.com/Heavy-Duty-Dump-Truck-Bodies/heavydutydumptrucks3.html mine is somewhat based on theirs .

Steve

PS I'll get a vid up of mine working by the weekend :)

[Lil Giants]

I like your idea of a sliding box Rob, very trick without being overly complicated to build, will work flawlessly everytime with every load & no hands on. :cool:

Transfers -> too many small, intricate parts that will break, bind, burn out, blow up...! I think such an idea is buildable, but won't be good for no hands, trouble free, regular use.

[doodlebug]

Hey Joe, good point, I think I opened "a can of worm's".

Never the less, we aren't bored scheming up new way's to build model's!
Thank's for the link, I'm looking at 1:1 demolition bed's, for my next truck.
Hey Rob, have fun with building the new trailer!

Later, Neil#2 aka doodlebug.

[steamer]

Neil. Ya I looked at the liner actuators, but they take up to much space as there's only about 1/8" thickness to work with.
Steve. looking forward to see how you did the high lift, don't want to steal your ideas but just some pointers would be good.

The radio I'm using is a TH9X Sky Fly. 2.4 . It has lots of switch's and knobs and I bound it to two receivers so I can put one in the trailer to operate the screw drive, brakes, tailgate lock and the lock pin on the turn table to be able to back it up. The transfer drive I was going to model is made by Beall Trailers and you can see the video here.http://www.beallcorp.com/aluminum-transfer/
It kinda neat as there are no hydro's on the trailer.
Joe Thanks for the comments and I can see where you need the reliability moving all those mountains of dirt. I myself like to push the envelope and try to make things as scale as I can and if possible make them work. If I can somehow make the lift gate work, I'll take those four axles and make up two trailers and that would be even more fun. Keep the comments rolling in and let's see where this end's up.
Rob

[doodlebug]

Hey Rob, interested to see how you set the trailer brake's up.
Later, Neil#2 aka doodlebug.

[ihbuilder]

Rob in this thread , post #6 8th pic green dump on the bridge dumping with the tailgate up . the servo is mounted up on the bulkhead by the dog house . I have a spring assist for the original servo (65mg) that burnt up but 1 645mg picks it like nothing I'll get closer pics if you want . http://173.201.47.108/showthread.php?p=22209#post22209

IHSteve

[steamer]

Steve That's a great idea. Never thought about running the controls on the inside of the box. That opens up a whole new list of ideas to make it work. Thanks.
Rob

[doodlebug]

Thank's Steve, missed that detail the first time. Later, Neil#2 aka doodlebug.

[Jared]

Transfer! Transfer! I vote for transfer, but I'm biased because I like pulling them. My old boss was telling me when he was in Finland he saw transfers that had a jaw clutch arrangement to drive the transfer chain. One half was on the back of the truck and the other half on the front of the trailer so when the truck backed up to the trailer, the jaws meshed and the driver could transfer without getting out of the truck. All he had to do was get out to unhook and hook up, and I can't remember for sure but there might have even been an automatic release for the air and electric lines and the hitch so the driver only had to get out to hook up.
But whatever you do I can tell it's gonna turn out good.


Ok, next question, how to make the tailgate work on the transfer box, when it's in the truck?


The 1:1's I've pulled had a stirrup that hung off the front side of the tub tailgate latch that the open truck tailgate latch slips into when the tub is transferred into the truck. When the truck latch is closed, it pushes down on the stirrup which opens the tub latch. Hopefully that makes sense.

[doodlebug]

Hey Rob, missed the video first read. A few year's ago, I remembered seeing a tranfer box that didn't latch properly, the full box of asphalt slid out of the truck and into the paver hopper, WHAT A MESS.
I like the hydraulic tailgatelift on the truck. Airlift suck's!
Later, Neil#2 aka doodlebug.

[ihbuilder]

Rob Here's some close pics

http://i830.photobucket.com/albums/zz230/ihbuilder/PIC_1009.jpg

http://i830.photobucket.com/albums/zz230/ihbuilder/PIC_1010.jpg

I actually wanted to go with hydros but I had a problem finding the right cylinders . Meaning length to stroke ratio . to get the right stroke the cylinder was way out of proportion to the truck :(.

IHSteve

[steamer]

Jared. Thanks for the comments. You bet I like the transfer too. And the setup with two trailers would even be more fun. The Beall video shows the stirrup arrangement for the transfer box locks and that doesn't look complicated. I have a small gearbox that came with a winch from RC FWD and I think it will work for the transfer system. I've got servos coming to try the high lift tailgate so we'll see how that goes.
Neil. I can imagine what a mess that would make dumping the box in like that. I think I'll try an arrangement with the truck tailgate lock so when it opens the transfer tailgate locks it also locks the transferred box in. Hope that makes sense.
http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/87548870.jpg
I guess I should have photoshop'ed my truck in there pulling the two trailers.
Rob

[steamer]

Steve. Thanks for the pictures. I guess we were both posting at the same time and I missed yours. Looks like a great setup and I'll start making some drawings up tonight.
Rob

[Jared]

I think I'll try an arrangement with the truck tailgate lock so when it opens the transfer tailgate locks it also locks the transferred box in. Hope that makes sense.
Rob

I see a dropped tub in your future. What happens when the tub gate is locked and you drive up or back down a hill? You got me thinking of ideas now. I'd love to see a transfer modeled so I'm gonna do some brainstorming to help out, if you can call it help :D. Maybe the tub locks could be set up so when the horns on the front of the trailer poke into the back of the truck to line it up, they push on a plunger that's hiding in the hole that is attached through some kind of linkage to the locks. So when the truck backs up to the trailer, the horns push the plunger which releases the locks so the tub can be transferred and when the truck pulls away the locks drop down and lock automatically. To lock the tub onto the trailer, there could be hooks fixed in place on the trailer that the tub would slide into and the chain would hold the tub in place against the hooks. I hope that makes sense. If it doesn't I'll try to draw a cartoon.

[Lil Giants]

I see a dropped tub in your future. What happens when the tub gate is locked and you drive up or back down a hill?

Can the trk's tailgate close with the transfer box inside?

Infra red controls on trk to each trl to activate trl locks, trl brakes, trl slide motors?

[doodlebug]

Hey Joe, on the transfer's I've been around, the truck tailgate stay's open or up, when the transfer box is in it. I haven't figured out how the transfer tailgate open's in the Beal video, have to watch again. Dropped tub no biggie in rc, 15lbs vs 15 ton's lol!
Later, Neil#2 aka doodlebug.

[Jared]

Can the trk's tailgate close with the transfer box inside?


The tub sticks out of the truck a foot or so so it can't close but it can be lowered partway to rest on the tub to allow loading over the tailgate with an excavator or to lower the clearance. That gives me an idea, though. Locks could be rigged up so the lift gate drops just a little and hooks on the underside of the lift arms grab a bar on the top of the tub that sticks out sideways. It wouldn't be prototypical but it would simplify things.

[steamer]

Jared. Have you been to the Beall site. They use a hydro motor and a chain sprocket under the truck box that engages the stinger on the transfer box . On the bottom of the stinger they use chain to grab the sprocket and that how they load the box.
I'm going to use that small winch gearbox with a gear attached and on the transfer box install a rack gear of the same pitch, so basically it's the same thing. With the ratio of the gearbox the only way it's going to move is under power, so i don't think it may fall out. It's a five reduction box and RC rates it for three pound pull so being on the flat with rollers under the box it should transfer quite well.
http://store.rc4wd.com/Replacement-Gearbox-for-Bulldog-9300XT-Winch_p_982.html
I haven't looked for rack material yet, but I do know that it is available in nylon and that should be plenty strong for the job.
Rob

[Jared]

I've seen those Beall trailers but I've never seen them up close. I just watched Beall's Transdrive demo video and I have to say I'm not impressed with the overall setup. Not having to hook up hoses is neat, but I think hoses also allow more flexibility. And the two front trailer axles is just stupid in my opinion. There are times when you get in a tight spot and the only way to turn around is to pull the tongue around 135 degrees or so and hook up with the truck facing the other way. Ain't no way to do that with their two-axle setup. And they have the tub locks inside the front of the truck box where they can get trashed by boulders and stumps and concrete chunks and gum up with dirt. All my experience is with Knight, General and Columbia which are like Beall's NW hydraulic transfer and just from watching the video I like them better. But that's my $.02 worth. For modeling the Beall transdrive should be just fine.

I think McMaster-Carr has rack material.

[ihbuilder]

"I think McMaster-Carr has rack material."


yes they do :) both nylon and steel and I think brass

[steamer]

Thanks guys I've heard that MC won't send to Canada any more, so I've sent them an email. Let's hope that they will because they have what I need. The only reason that I was going to use that drive was so I wouldn't need to connect any power to the trailers. But on second thought I need a method of braking the trailers to recover the boxes, otherwise they'll just push away. It goes from one thing to another and i guess it's one step at a time.
Rob

[Vanisle]

QTC Gears will ship to Canada by USPS but it takes awhile for them to get something in the mail.

http://www.qtcgears.com/

I have an extra set of their catalogues if you want them.

I will be going to Blaine in mid-April if you can't get McMaster-Carr to ship to Canada. I can get it shipped to Blaine and pick it up there for you. PM if you want.

Richard

[steamer]

Well I got my answer back from McMaster-Carr and it wasn't the one I was hoping for. They won't ship to this side of the border anymore because of the ever increasing complexities of the US export regulations. End of quote. But I may have found the a way around the problem and I'll keep you posted if it works.
Rob

[Finster]

Rob,

Your truck looks fantastic! I love the paint job and the colors you picked. If the picture of it was taken outside instead of on a table I'd swear it was a full 1:1 truck. Great job. No matter what you decide to do with the trailer I'm sure it will complement your truck nicely. I got a couple of questions, if ya don't mind:
Did you make the dump body out of styrene or Al? What thickness' did you use for the most part? Also, did you ever get a chance to draw up that diode reversing switch circuit that you are using on the screw drive? Thanks, keep up the good work.

[steamer]

Brian. Thanks for the comments on the FWD. I actually painted my truck to match one that we did for a customer in 1968 and it was a favourite as soon as I saw it come down the assembly line. That box and the one I'm building for the trailer are made with
3mm styrene. It cuts real easy with a table saw or you can score and snap for the bigger pieces. For small strips I found it worked best with a band saw set up with a fence, to get strait edges. I tried to do the drawing on one of the cad programs and it was to frustrating so I'll do it the old fashion way after supper and post it tonight.
Rob

[steamer]

Simple diode circuit. Hope I explain it good enough.
1 just a motor and if you reverse polarity, motor runs both ways.

2 if you add in down stop switch, motor power will be cut at bottom stop. Make the switch adjustable to get box to stop were needed. With this setup the box will not go back up again because S1 is now open and no power will flow either way, IE, reverse polarity.

3 A diode is simple blocking device that lets current flow one way, Anode + to cathode - but blocks power from flowing backwards. The power flows toward the white band but not the other way. Because of this if you install one across your switch it will allow the power to reverse the motor and the box will go back up. The diode is out of the circuit as soon as the box starts moving in the up direction and S1 closes. The one I used is a
1N4002 available at Radio Shack.
I've made a rough drawing for the three circuits shown

http://i1235.photobucket.com/albums/ff436/steamer2/FWD%20Dump/img598.jpg

If there's anything not clear enough, just ask thanks.
Rob

[Finster]

Rob,

Thanks for the diagram and explanation. I'm pretty sure I get what's goin on. I'm not sure what CAD program frustrated you but if you ever need help with AutoCAD just ask. I'm sure I could help because I've used it for many years. I look forward to more of your updates.

[steamer]

Question. Does anyone know the length of the reach on a transfer trailer. I can't find any info on the net and there's not one around here to measure.
Thanks Rob

[chaseracer]

I will see is I can find out for you this week or next I have a couple coming in that I have to load just not sure when.

[steamer]

Thanks. got the frame of the trailer made and I'm installing the dump screw drive. Made it a tandem ,tandem and not a transfer like I had hoped. To much work to make another box for the FWD. Will post some pictures tomorrow.
Rob

[Jared]

Question. Does anyone know the length of the reach on a transfer trailer. I can't find any info on the net and there's not one around here to measure.
Thanks Rob

I never measured one but I would guess at 24 feet for an 8-axle transfer in Washington.

[chaseracer]

here you go Rob had a Transfer come in today took a picture and measured the reach for you.

http://i255.photobucket.com/albums/hh151/chaseracer/semi/IMAG0078-1-1.jpg

[steamer]

Jason. Great shot! That works out to 10 1/2" for scale and looks just right between the truck and trailer. I have all the brass tubing and now just have to get cutting.
Thanks Rob

[steamer]

Here's some pictures for the trailer. General view.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailer2001.jpg
Greg gave me a thrust bearing that hold the blades on RC choppers.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailer2016.jpg
View of the front Bogey with turn table
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailer2013.jpg
View of screw drive motor and slider.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailer2008.jpg
Slider with lift arms
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailer2011.jpg
Thanks for looking Rob

[steamer]

Here's a few more pictures of the trailer. Coupled the FWD on the front and it measures 63 in. front front to back.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailer2002-1.jpg
Made up the reach and now have to solder it up and add the reach jack.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailer2004-2.jpg
More pictures of the screw drive.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailer2009.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailer2007.jpg
Thanks for looking.
Rob

[doodlebug]

Look's goood Rob, keep us posted!
Later, Neil#2 aka doodlebug.

[RCLogger]

Thanks for the photo's Rob. That really helps to understand the screw drive setup.

p.s. Looks like we are going to have to build alot of road this year just so you can get that rig turned around... hhahah
Maybe even pav esome road, that thing is loooonnnngggg...

greg

[TheMachinist]

Oh that sounds like fun. An R/C paving machine:D

Trailer is looking really good Rob

[steamer]

Well I finally got more done on the trailer.
First picture is the carrier for the dump box.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailerlift001.jpg
To make it roll better on the main frame I installed roller bearing with flanges.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailerlift002.jpg
Frame in the travel position.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailerlift010.jpg
Frame in the dump position.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Trailerlift012.jpg
Short vid of it lifting, the first bit is just traveling along the frame before lifting.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/th_Trailerlift011.jpg (http://s1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/?action=view&current=Trailerlift011.mp4)
Thanks for looking Rob

[rockNmayhem]

Hey Rob looks like the trailer is opperating pretty smoothly. Have you figured about how much it will lift yet?

[steamer]

You Bet. Greg and Lou were here this afternoon and we put 25 lb. on it and it lifted no problem. I'm not sure how much the dump box full of dirt or sand will be, but I think it would probably be less and handle it fine.
Rob

[steamer]

Finally got the reach finished with lift jack installed.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/trailerlift001-1.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/trailerlift004-1.jpg
Also had a chance to get some outside shots of the FWD.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/trailerlift012-1.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/trailerlift011-1.jpg
Thanks for looking.
Rob

[RCLogger]

Nice work on the reach Rob, the FWD looks great. In think you are going to have to learn to run the hoe, as the bumbs who run it now will be alittle rough on your shinny rig... LOL

greg

[texken]

Try this link.
See how the use Transfer Truck and Trailer.

TEXKEN


Paste link in WEB site(only), will take you to the site.
Look for the Contest on right.
http://www.youtube.com/user/zpetester

They turn off Truck leave in reverse and use starter to back truck when hooking trailer up.

[steamer]

That's quite the video. Those guys make it look way to easy!! Mine is not quite a transfer but it kinda looks like one. Next time around I'll build one all the way, and go for the two trailer version. Thanks to Steve, I have the high lift tailgate figured out.
Rob

[TheMachinist]

The reach looks really good. What are you using for heat when soldering?

[steamer]

I just used a propane torch for it all. The tubing joints were all slip fit so I used resin core solder. As the pintle block had no attach points, just cut into the square tube, I silver soldered it for strength. Turned out to be quite strong but we'll see how strong it is, after first time I jack knife it.
Rob

[steamer]

Time to update some pictures. got some of the box built out of styrene.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Combo009.jpg
Also decided to build the tailgate hinge from styrene and it turned out quite strong.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Combo010.jpg
Trailer in travel position.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Combo007.jpg
Trailer in dump position.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Combo001.jpg
FWD and trailer both with boxes up.
http://i1235.photobucket.com/albums/ff436/steamer2/Dump%20Trailer/Combo019.jpg
Thanks for looking
Rob

[TheMachinist]

Wow that's really looking good.
Can't wait to see it in action.

[doodlebug]

Hey Rob, that's a new twist on semi dump trailer's! Different from the Clement Bridger, but very neat. That could be a new way to mess with the "DOT" LOL
Later, Neil#2 aka doodlebug.

[steamer]

Thanks guys. Yes it's a little different for the transfer but it sure can lift a lot. Next time it'll be a full transfer setup.
Rob

[Azorean]

Very nice...

Looking great

[JensR]

Very cool mechanism, works a treat!
We don't have them over here.

[SmallHaul]

Nice work Rob, that trailer mechanism is well done.

[Jared]

I like it!

[steamer]

Thanks Guys for the support. I'm Working on the tail gate lock and I'll try to get pictures up in the morning.
Rob

[Dreamweaver]

This is looking awesome Rob, I like the styrene work on the box.

[RCLogger]

Hey Rob,
Great fiberglass work on your new model, not sure how well it will go in the dirt though ! hahahah

greg

http://i124.photobucket.com/albums/p17/logger_02/Robscar.jpg

[chaseracer]

awesome work Rob, trailer looks great.

[steamer]

Greg How did you manage to get that picture. I thought that I had it in stealth mode. Thanks for the shot.
Jason Thanks for the comments. Build is on hold for a while as my friend just passed away and I'm Executor of his will. What a learning experience. Will get back to the build when things slow down a little.
Rob

[TheMachinist]

Rob
Sorry to hear about your friend.

Is there room in the trunk of that car for hauling your R/C's?;)

Jordy

[steamer]

Jordy The guy I bought it off said the he could get two ten speeds in there, but I'm not going to try it. They'd be in pieces for sure.
Rob

[TheMachinist]

With a ride like that who needs a ten speed:rolleyes:
Nice car:)

[steamer]

Yesterday Greg, Lou, Reg and I were putting on a show in Port Alberni. There was a nice little cable hoe and here are some pictures.
http://i1235.photobucket.com/albums/ff436/steamer2/Port%202011/Port2011009.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Port%202011/Port2011008.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Port%202011/Port2011007.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Port%202011/Port2011006.jpg
Nice little machine and would make another great model more pictures to follow.
Rob

[doodlebug]

Hey Rob, that's something different, noticed you posted that jack leg photo first. Never seen that set up before! Thank's, Neil#2 aka doodlebug.

[Ken Orme]

You Bet. Greg and Lou were here this afternoon and we put 25 lb. on it and it lifted no problem. I'm not sure how much the dump box full of dirt or sand will be, but I think it would probably be less and handle it fine.
Rob

Dry sand is 100 lbs per cubic foot.

Ken

[steamer]

Neil. I'd never seen anything like that either and it sure is a different arrangement.
Ken. You bet sand is a lot heavier than it looks. The FWD pulled itself and the loaded trailer but the tires are not aggressive enough for anything over 6% grade. Anyway here's a couple more pictures from the Show.
Reg's dozer and Euclid with the FWD behind.
http://i1235.photobucket.com/albums/ff436/steamer2/Port%202011/Port2011002.jpg
Lou looking real casual with the 966 loading his ADT.
http://i1235.photobucket.com/albums/ff436/steamer2/Port%202011/Port2011003.jpg
Just a general scene of the layout.
http://i1235.photobucket.com/albums/ff436/steamer2/Port%202011/Port2011001.jpg
Thanks for looking.
Rob

[Lil Giants]

It looks like you had great weather for the show. Take any video of the activity? Thanx for posting the pics. :cool:

[steamer]

Thanks Joe. We're finally getting some summer weather and Port Alberni was very warm, It has it's own little micro climate being stuck between the two mountains. As far as video goes every time I started the camera all the activity stopped, so it just looks like a still shot. Probably Lou or Greg might have some that they'll put up.
Rob

[doodlebug]

Hey Rob, thank's for additional picture's of the show. Look's like a fun event!
Cheer's, Neil#2 aka doodlebug.

[RCLogger]

Its been awhile Rob

Any updates on your building progress, I think it is time to post some photo's

greg

[RCP57]

Yeah Rob, I know you've built some stuff and are currently working on something so post up!

Reg

[RCLogger]

Happy Birthday Rob

Now blow out those candles and post some pictures of your build... LOL

Cheers Have a good day !

[steamer]

Here's some pictures of the latest. 1/20 scale Cat 789C rebuilt from Tamiya Mammoth.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789C006.jpg
1/50 scale 797F 1/20 scale 789C
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789C007.jpg
Thanks for looking.
Rob

[doodlebug]

Happy birthday Rob! Nice conversion.

Cheer's, Neil.

[RCP57]

That truck looks pretty big Rob. If only you knew someone with a big enough excavator to load it....:cool:

Thanks for the email:D

[Lil Giants]

Happy Birthday Rob. :)

Good work on the Mammoth! :cool:

Is it still 4wd? Will you be using the rack & pinion to tip the bed? (it's got some great lifting power, just not enough stroke) How much wider is the bed from the original?

[9W Monighan]

That truck looks pretty big Rob. If only you knew someone with a big enough excavator to load it....:cool:

Thanks for the email:D

Bring it down here to Pennsylvania. I think we can load it in a timely fashion.:p

[steamer]

Thanks Neil.
Reg. I'm hoping that there both finished up at the same time.
Joe. TNT Lou was doing some house cleaning, so you've all ready drove this one. Over all the truck is 24" long 12" high 15" wide. She's still 4WD and the lift is being replaced with two Wedico pumps and I'm going to make two stage cylinders to do the lifting. Each cyl will have it's own pump so I think it will have lots of lift power.
Steve, I'm sure you will be able to fill it very quickly with the drag line, it's just to bad we're all so far apart.
Rob

[modelman]

Very nice truck!! What material is it made of? It must be really big if you have room for-2-hydraulic systems:eek:. My 777D is 1/30th scale but there is no way hydraulics will fit inside. Nice work

[Vanisle]

Nice conversion Rob. I like your fabrication work incorporating the styrene. So what are you going to use to load it?

[chaseracer]

great job Rob. nice fab work..

[RCP57]

Nice conversion Rob. I like your fabrication work incorporating the styrene. So what are you going to use to load it?

I heard there might be a 300 volvo on a lowbed headed that way soon...:D

[Espeefan]

Ahh, that Mammoth is awesome! I always wanted to see someone convert it to a more accurate truck. I'm glad you are doing just that! I wouldn't mind giving this a shot myself, someday, but these trucks are getting pricey and rare.

[steamer]

Just a couple of updates for the 789. Got some exhaust pipes and mufflers made and installed.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789006.jpg
For model man, here's a shot of how the pumps are installed in the chassis.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789005.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat7890042.jpg
Next up is build the upper deck railings and then on to building the lift cylinders.
Thanks for looking.
Rob

[td9clyde]

looks cool keep building!!!!!

[RCP57]

Lookin real good Rob! How large are those tires?

[steamer]

Thanks Clyde. You bet, I'm having fun with this one.
Reg. Tamiya made these tires for the Mammoth and they're 6" dia 2 1/4" wide with a 2 1/2" rim. Made the rims from delron as they wanted $40.00 for a foot of 3" aluminum, and I couldn't find any scrap.
Rob

[ihbuilder]

Thanks Clyde. You bet, I'm having fun with this one.
Reg. Tamiya made these tires for the Mammoth and they're 6" dia 2 1/4" wide with a 2 1/2" rim. Made the rims from delron as they wanted $40.00 for a foot of 3" aluminum, and I couldn't find any scrap.
Rob

$40.00 / foot :eek: thats cheap :eek: I was quoted $60.00 Awhile ago :( . truck looks great Rob ;) . you kinda gave me an idea on my next haul truck but it will not be a cat . I got to start living up to my name again :p

[Espeefan]

The stacks look great! Did you score this truck on E-Bay, or was it something you had saved in a closet? These things are getting harder to find all the time.

[steamer]

Nathan, TNT Lou was cleaning out his closet and I just happened to be there at the right time. I always wanted to build a mining truck and this was a great opportunity to do a conversion.
Rob

[RCLogger]

Looks like it will be ready to move dirt this weekend

greg

[steamer]

Digging dirt. After a while being away from the forum, I thought that I better start doing something. Greg Lou and I have been slowly rearranging Greg's backyard lawn. So far we've been ruining everything through a temporary screening plant and it hard to believe there's been this much rock.
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/Gregsplace002.jpg
Here's a picture of the screen and Lou's been digging it out and loading the FWD with his Cat 966.
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/ICAT006.jpg
Vid
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/th_ICAT004.jpg (http://s1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/?action=view&current=ICAT004.mp4)
On the loading side Greg's been putting some hours on the new Cat excavator and it's been preforming great. this winter he's going to finish building the cab and all the finishing touches. Vid
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/th_ICAT003.jpg (http://s1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/?action=view&current=ICAT003.mp4)
FWD after moving dirt from the screening plant.
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/Gregsplace009.jpg
Greg's new Cat without the cab, working real good.
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/Gregsplace006.jpg
General shot of the area.
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/Gregsplace005.jpg
Thanks for looking.
Rob

[RCP57]

Aw man! I wanna play too! Looks like you guys have been busy and having a good time to boot!

Are you guys still planning on attending the show in Port a couple weeks from now?

Reg

[steamer]

Thing have been getting real busy here on the Island, so it was time to pick up some new equipment. Found this Aeromax that fills the bill, so we picked up.
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/Aeromax004.jpg

Just need some conversions, so it's going to get a 6 tooth pinion and a wet pack for a dump trailer and some construction tires and it'll be go to go.
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/Aeromax006.jpg
Thanks for looking.
Rob

[plow jockey]

Nice looking truck.

[dabears]

Great looking coe dump! Nice looking aeromax too!

[steamer]

Aeromax update.
Well I'm glad to say that the Aeromax finally came to an end. Got all the conversions done and now can put it to work. The trailer started out as a transfer and is now just a modified dump. I left the movable box and installed a king pin so I could pull it with the Aeromax.
Some Pictures
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/FordSterlingdumptrailer002.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/FordSterlingdumptrailer013.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/FordSterlingdumptrailer017.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Diging%20dirt/FordSterlingdumptrailer015.jpg
I'm pretty happy with the way it turned out and I hope I can put it to work soon.
Thanks for looking
Rob

[dabears]

That's a sharp looking trailer! Great looking combo.

[Lil Giants]

Nice work Rob, great looking combo! :cool:

What's new lately with the Mammoth rebuild?

[aseejr]

Nice looking rig!

[steamer]

It's sitting on my kitchen table as of five minutes ago. Just looking at it trying to remember where I left off. Been putting off building the two stage dump cylinders but now have no excuses left, so I guess it's time. There different as the oil is fed through the rod and not the cylinder so that going to take some thought
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/744.jpg
It's been painted so I'll get some shots up. Someone else wanted to know about the wheels and rims, so I'll do that too.
Thanks for the comments on the Aeromax.
Rob

[RCLogger]

Rob. The aeroMax looks very good. Well a little to good, I can't wait to get it dirty and smash the box up. Lol.
P.S. Those mud flaps are not going to look that clean for to long

Greg

[chaseracer]

the is a sweet looking areomax Rob.. and the transfer dump looks awesome. great combo

[steamer]

Thanks for the comments on the Aeromax, I'm just glad it's finished. Here's some shot of the mammoth with a splash of paint.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Models007.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Models006.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Models005.jpg
Just finishing the hand rails and then on to the dump cylinders.
Thanks for looking Rob

[RCP57]

Lookin good Rob!

[RCLogger]

Looks like the Mammoth will be ready to move some mud this weekend ? OR WATER

A weather man said today the rain will stop sometime in MAY ! GREAT.....

greg

[steamer]

Just an update of the wheel system. I turned the rims from delron and on the back made it one rim with a two tire bead.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789009.jpg
To hold the wheels on I embedded 3/16" rod into the hubs with epoxy to drive the rims.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat7890082.jpg
picture of rim from front and rear.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789010.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789011.jpg
A couple of shot with the painted and installed rims.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat7890052.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat7890132.jpg
Ive also started on the cylinders and here's the first results.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789014.jpg
When I get a little further along with the cylinders I'll post some more pictures.
Thanks for looking.
Rob

[RCP57]

Hey Rob lookin good! Lou and I just spent the afternoon talkin trash about you...HAHA not really but he did say that you were making progress and obviously you are!

Reg

[tracksntreadslou]

Looking very good rob..that brute will be able to haul twice as much as Regs Uclit lol ..Hey I hope you can forgive me about the trash talking..

[RCP57]

What? That's it...I'm building a 797 in 1/10 scale! Haha

[steamer]

Wow Reg that things going to be huge. You will almost be able to sit in and drive it. Been working building the two stage cylinders and they now are finished. Still haven't tried them yet but I think I have all the bugs worked out. Will try to get pictures up tomorrow.
Rob

[Espeefan]

Nice work on the Mammoth, Rob. The new rims are nice. The Aeromax looks like a really nice truck too. The dump trailer fits it well.

[Dairyland Trucker]

The dump looks better with the new planitary hubs and painted, the dump trailer is awesome as well love it looks like what we have used a Clements bridger trailer...

[steamer]

Well here's the latest on the cylinders. First picture has one cylinder in pieces and one together. First big problem I had was I was trying to hold too close a tolerance on the rod guide bushing and this caused them to bind up.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/789cylinders003.jpg
So I took everything apart and polished the piston rods down another 2 thou and they seemed to work better but still hung up coming back down. Should say these are single acting so are supposed to fall when the pumps are reversed and remove the oil.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/789cylinders004.jpg
What I think is happening is the oil is creating suction when the pistons bottom out in the bores as there's no way for the trapped air and oil to escape.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/789cylinders005.jpg
So I think the next job will be to drill an #80 drill out through the end of the first stage guide bushing and the end of the second stage guide rod. It's a long shot and I'm hoping that it will break the vacuum to stop the hangups.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/789cylinders006.jpg
One thing I must say is that there is no lack of lift with those small wedico pumps. With the large bore of 3/4" and the small one at 3/8" it will lift a 11 kilo bag of lead up like crazy. Even tried the bag out on the rock lid and it didn't change at all. From box down to full up about 10 seconds.
Thanks for looking
Rob

[RCP57]

Lookin real good Rob!

[Lil Giants]

That looks awesome Rob, I'm sure it works super slick! :cool:

What's your closed vs open lengths?

Pics of them installed open & closed would be a treat! :)

Is there a procedure you do to bleed the cyl when 1st oil is pumped?

The rule of thumb I have always done with the wdc & Leimbach telescopes to remove all the air was to turn the cyl upside down, so the entry of oil is at the top. Then extend the cyl with pumped oil, keeping some resistance pressure by holding base in my hand - other end against my knee till its fully extended. Relax, wait a few minutes for air bubbles to rise to entry/exit fitting. Then with some force by my own hand 1st & then activating pump to reverse oil flow with constant hand force too till cyl is fully retracted. Repeat process 2 more times to ensure every last air bubble is out of the system and hopefully telescope works smoothly. ;)

[RCLogger]

Nice work Rob. Thanks for the photos

[steamer]

Here's a picture and a couple of Video from the Trains show yesterday in Campbell River
Good comparison of the 966 and 980 side by side.
http://i1235.photobucket.com/albums/ff436/steamer2/CRMuseum002-1_zpsb4a7230f.jpg
Vid
http://i1235.photobucket.com/albums/ff436/steamer2/th_CRMuseum011_zps304e0358.jpg (http://i1235.photobucket.com/albums/ff436/steamer2/CRMuseum011_zps304e0358.mp4)
Vid
http://i1235.photobucket.com/albums/ff436/steamer2/th_CRMuseum010_zps76a21d18.jpg (http://i1235.photobucket.com/albums/ff436/steamer2/CRMuseum010_zps76a21d18.mp4)
Vid
http://i1235.photobucket.com/albums/ff436/steamer2/th_CRMuseum009_zpsae22f75e.jpg (http://i1235.photobucket.com/albums/ff436/steamer2/CRMuseum009_zpsae22f75e.mp4)

More to come after todays show.
Thanks for looking
Rob

[Lil Giants]

More to come after todays show.
Thanks for looking
Rob

It's great to see what you posted thus far Rob.. I was waiting to comment after you posted the rest of the eventful wkend. :)

[steamer]

789C is finally cosmetically finished. Just need to build the radio rack and do some more work on the hydraulic cylinders and she's ready to haul dirt.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Caterpillar789C005_zps40ea9191.jpg (http://s1235.photobucket.com/user/steamer2/media/Cat%20789C/Caterpillar789C005_zps40ea9191.jpg.html)
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Caterpillar789C012_zps741f1a4a.jpg (http://s1235.photobucket.com/user/steamer2/media/Cat%20789C/Caterpillar789C012_zps741f1a4a.jpg.html)
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Caterpillar789C010_zpsaf46a27f.jpg (http://s1235.photobucket.com/user/steamer2/media/Cat%20789C/Caterpillar789C010_zpsaf46a27f.jpg.html)
I have to modify the lift cylinders because the tolerances were too tight and won't come back down properly. I think if I change from o rings to cup seals it should work better.
Thanks for looking
Rob

[Espeefan]

That looks really nice! Way better then the Tamiya Mammoth it started out as. Nice job.

[RCP57]

Looks sweet Rob! Hopefully I will get to see it soon!

[RCLogger]

The frame looks good with that fresh paint. Looking forward to getting it dirty.

Greg

[Old Guy]

Rob

I had the same problem witn my telescoping cylinders I found the solution was to add a ring just above the piston seal about 1/2" wide this eliminated the binding problem. I was lucky with the rear dump as I had more stroke than I needed and could add the 2 1/2" stops
Hope this helps.
Earl

[steamer]

Earl. thanks for the great suggestion. When I get back on the project I'll give that a try. I also thought about putting in return springs on the piston rods inside the cylinder. There's lots of room inside and more power from the pumps than needed to lift the body full of dirt. I'm hoping that the spring action will start them down.
Thanks Rob

[Old Guy]

Rob
Like you I was getting frustrate with the slow down on the 2 stage cylinders on my rear dump, so I fixed it Ij ust reverse the hydraulic pump it comes down as fast as it goes up, I could do this as the pump I built and I knew I could reverse it and the pump is only connected to the lift cylinders, just a thought

Earl

[steamer]

I'm using Wedico pumps on this one and they're designed to run both ways forward and reverse. My problem is when the cylinders are full stroke the pumps pull all the oil out and create a vacuum. You can imagine what happens then, the box slams all the way to the bottom because there's no oil cushion left in the cylinders. I thinking with the internal springs there should be enough return pressure to start the box down when the pump reverses. At least that's what I'm hoping for.
Rob

[RCP57]

So Rob, Are you coming to Duncan or what?

[steamer]

Well, with everyone posting Bruder conversions I thought that I'd throw mine in here. I took a different route and went with regular gear motors for the tracks.
http://i1235.photobucket.com/albums/ff436/steamer2/D11%20Cat/D11Cat002_zps8a523dc5.jpg

The shafts on the motors aren't long enought to get through the track housing so i extended it with some couplings.
http://i1235.photobucket.com/albums/ff436/steamer2/D11%20Cat/D11Cat027_zps487137d5.jpg

Turns out that the center of the drive sproket after checking it with drill bits is 4mm so I drilled through and fastened a hub to the outside of the sproket with screws and it worked fine.
http://i1235.photobucket.com/albums/ff436/steamer2/D11%20Cat/D11Cat022_zps70685e09.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/D11%20Cat/D11Cat005_zps971b043d.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/D11%20Cat/D11Cat016_zpsd88bf404.jpg
Hooked a Saber tooth to the motors and It was moving quite well. Next up is the cylinders.
Thanks for looking.
Rob

[RCTech9]

Nice work Rob! Are the tracks Steel?

[RCP57]

Looking good Rob! It's about time you posted some pictures. You checked your email lately?

[steamer]

The tracks are the plastic ones that came with model. If they don't last I'm hoping that someone will have replacement ones available then. Reg, That four stroke engine is a thing of beauty and looks to have a lot of torque, just the way I like em!

[RCP57]

Haha nice! I find you can never learn enough about mechanics....We can both thank Mario for the literature....

[Lil Giants]

So how did the problem solving go with your dump trk cyls Rob? We have yet to see a vid of your reworked Mammoth. ;)

[steamer]

Still having problems with the cylinders not retracting. I think I found the soloution this morning thou, with a company in CA. They have piston cup seals that start at 3/8" so I ordered some 3/8 and 3/4 that should be here in a coupe of weeks. Have replumed out all the Hydraluic lines with bigger size tubing too, so I have more oil flow. I guess time will tell if it works out or not.
Rob

http://www.allsealsinc.com/ukp.html

[rc_farmer]

I have trouble with only only side running off....still way too much slack in both of them. Hopefully someone will make some stronger replacememts

[Wiskybilt]

Just finished reading this thread. Lots of cool building. I hope you get your seals straightened out. Anything I can help you with on the jacks?

[RCLogger]

Hey Rob
Just looking for some photos from the project you are working on ! I am sure you must have an update . . .

Greg

[RCP57]

Sounds like he has been working on a bunch of stuff that he isn't sharing....

[RCLogger]

This looks like your ADT Rob !

https://www.youtube.com/watch?v=9wOqtNVsSx4

[mcCracken15]

Magom has aluminum ones and aluminum sprockets that were for the tracked loader. Prob the same

[Cooper]

I can't believe I missed your progress on the mammoth, particularly the lift cylinders. I'm working on a similar project and came to the conclusion to make double acting cylinders. Problem I found was like you said about having the holes in side of cylinders. I still have to tackle a cylinder head with both ports on it and tube inside first stage. Hade same thing with cylinders not coming down very well with reversing pump. But it is possible and in a couple months I'll not be able to put it off anymore :).

[steamer]

Well fellas looks like Greg let the Cat out of the bag, so to speak. Greg and I did a little horse trading in the spring and we both started our part of the build then. He did the chassis and I'm doing the box. The machine I chose was the Cat D400E ejector.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/2.5_zpsh2njwp9h.jpg
Greg worked his magic and turned out a great chassis and cab assembly by mid summer and I took the summer off and fell behind. Fabricated the box out of steel and aluminum with a lot of the work done on my mill. Progressed this far and now have the tail gate operating as per the video. Here's a couple of pictures so far
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/D400%20model%20008_zpsqgmsbmqe.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/D400%20model%20009_zpsh61fqcof.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/D400%20model%20011_zpsh5mdkh5k.jpg
I was able to find some of these small gear motors used for rc aircraft landing gear and the fit in where the hydraulics cylinders for the dump door goes and the speed is just about right
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/D400%20model%20013_zpsogp5ssaj.jpg
The real machine has two cylinders but I used the other side to install micro switches to control the open and closed function and have them on the the radio gear switch.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/D400%20model%20012_zpslfmd4hom.jpg
Now it's on to the ejector shuttle and slider, thanks for looking Rob

[RCLogger]

You better get that ADT ready to go to work, as Reg will need help to make his Dirt Bike Track Flat ! He has to knock those jumps down before he breaks a finger nail...
Lots of dirt to move. Full time work for a few years ! hhaha

greg

[steamer]

Some of you were wondering how I made out with the cylinders on the 789. After I saw the the multi stage cylinders on rcbrmin web site I ordered up a pair of cylinders, they are well built and you can completely rebuild then if needed.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/live%20steam%20001_zpskw7ydlun.jpg
Bore sizes are 21mm 17mm 13mm and 9mm with a total stroke of 60cm.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/live%20steam%20004_zpsfdylscfy.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/live%20steam%20008_zps8itee4uv.jpg
As I only needed an 8.5in stroke I removed the top two stages and modifyied the small bore rod so i could feed the cylinder from the rod end.
I should say that the real trucks have flip over valve on the dump box circuit the senses when the load goes and changes the pressure to the down side of the cylinder.
In the video you can see what happens to me with an 25lb load of buck shot in the box as it rips the cylinder mounts right out of the box .

https://www.youtube.com/watch?v=5fOYh-MdV8s

[tracksntreadslou]

Awsome rob...perfect speed ..with a little reinforcement this build is done ..now for a 992 to load the suckr lol ..Greg and i will need bigger buckets for the excavators in the meen time been..lol

[Lil Giants]

Sweet work Rob, it's great to see you making headway on this project again. :cool:

One these summers soon I hope to get back out to the Island & catch up on what's new with Lou & Greg's workshops & see your spread too. :)

[flexintex]

Just an update of the wheel system. I turned the rims from delron and on the back made it one rim with a two tire bead.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789009.jpg
To hold the wheels on I embedded 3/16" rod into the hubs with epoxy to drive the rims.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat7890082.jpg
picture of rim from front and rear.
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789010.jpg
http://i1235.photobucket.com/albums/ff436/steamer2/Cat%20789C/Cat789011.jpg


Rob!! I am trying to dually the rear just like you. looking at options. I am now considering getting new rear rims 3d printed. Do you have the specs of the super wide rim you made? or was there a file you used? I'm assuming you turned them manually, but not sure. Any help with measurements would be great!

[sandfarmer]

It's a shame photobucket totally ruined a lot of our threads!