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Construction Equipment If it digs, pushes, hauls dirt "off road" post it here. |
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#1
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Tonight, I started a Conversion of the small caterpillar, D4 I think it is.
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#2
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Once my Email quits lagging, & I can get them to show up in my INBOX, so I can upload them to flilcker, I'll post up a few pics.
I CAN'T take credit for the inspiration on this build. Jug has done it & posted it on his YouTube page. I liked the idea. I wanted to use Micro Servo's for it, but was having a problem finding a part that would connect the micro servo to the track sprockets. Since I couldn't source the parts I wanted, I ran with his idea. I will deviating slightly from his build in the way the sprockets mount to the motor......That is, once the parts FINALLY arrive on the SLOW boat from China. |
#3
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FINALLY, they showed up in my Email. Here's a few pics of the build so far
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#4
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#5
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I think thats a D5, and looks like a good start.
You may want to shim the gearbox shafts, some have too much play and the gear mesh is inconsistant.
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What do ya mean "Cars are neither Trucks or Construction"? It's still scale, and i play fairly well with others, most of the time... |
#6
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![]() ![]() ![]() ![]() In addition to dirt proofing it a bit, my thought was, it'd give the inner workings a SAFE place to lay, WITHOUT risk of getting caught in the gearbox. In hindsight, I'm sure I SHOULD ![]() ![]() |
#7
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Those are the only pics I have of it. The glue has since dried, & the clamps are removed.
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#8
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Rain delays this weekend at work, left me with some spare time this weekend. I did a bit on the Cat.
Added a bit of weight, about 6OZ to it, mounted the blade servo, & affixed the track sprockets to the Tamiya gearbox. ![]() ![]() The bolts I had that were lengthy enough were WAY TOO LONG. I used them, cut them off after installation, & filed them flat with the adapter. ![]() Since I had the gloves on to work with the epoxy, I decided to drill a hole in a fishing weight. It was an 8OZ weight, with a bit trimmed off of it. I guestimate it's about 6OZ left on it. ![]() The sides of the dozer modified so the redneck lifting mechanism for the blade can do it's thing. YEAH, I KNOW, I went a bit overboard hogging out the holes in it. I had some leftover scraps of plastic laying around. I glued them into the excess opening. I forgot to take snaps of it. ![]() The metal gear micro servo installed ![]() |
#9
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Just a few more mods to do on the tracks, & then it'll be time to test it out. I know being plastic if WON't be durable, or powerful enough to push much of anything, but it'll still be fun.
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#10
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A quick note about the lead weight. If you plan to drill a fishing weight, as I did, & it's pure lead, be prepared for a LOT of work. I'd get about 2 seconds of the drill working in the lead, then I'd have to spend 10-25 seconds cleaning the drill bit. The lead clogs up the bits. It DOESN'T spit out in ribbons like other metals do.
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#11
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Looks like it's coming along well.
Watch some videos, bruder conversions are pretty capible, even though it's plastic. Lead likes some thin lube and a slow feed rate so it spits little flakes off the bit, and pulling out to clear chips a lot.
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What do ya mean "Cars are neither Trucks or Construction"? It's still scale, and i play fairly well with others, most of the time... |
#12
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I just received a d5 conversion from small haul on youtube. This is one bad little dude, not only will it push dirt but it will also cut in. It is a very capable machine and affordable.
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#13
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I'm glad to hear that. I was worried that being plastic it may not do so well.
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#14
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I've many questions about yours. Are the tracks still the stock Bruder kind? Is the cab interior still in it? What size battery pack is it running? Is/was any weight(s) added to it when it was converted?
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#15
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Yes tracks are stock bruder, they actually provide way more traction than i thought they would. Cab interior is still in, 2300 mah nimh pack, It was stuffed with as much weight as he could fit, It weighs around 5 pounds.
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#16
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Do you have pictures of how & where the battery mounts in it? I'm struggling trying to figure out how to put the battery pack in it, while including the cab interior.
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#17
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I don't know how it is mounted inside it came RTR, And i probably wont take it apart until I have too. Look up "small haul" on youtube, he has a bunch of videos and I'm sure you can find what you need.
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#18
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After looking at a few of his vids, I found the info for his builds. There's an internal RECHARGEABLE battery pack in his
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#19
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After working Thursday, & then finding out we're working Friday NIGHT, I stayed up all night to get my self acquainted with night shift AGAIN! I had a LOT of time to work on the littel dozer.
I found a PROBLEM with where I mounted the blade control rod. I SHOULD have ended the bolt between the 2 side of the blade arm, & NOT ran completly through it. ![]() It SHOULD have ended where the knife blade is, & has since been re-located. ![]() I cemented the blade pivots where the knife blade is, to prevent it from moving while working ![]() Each drive sprocket got TEN screws placed into them between every OTHER tooth. ![]() NOTE: DON'T do like I did! Before I reinstalled EVERYTHING onto the tracks, I adjusted the slack in the track by lengthening the distance the screws stuck out form the sprocket. Once I re-assembled the track guides, the tracks were too tight. |
#20
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I somewhat flattened a 20Ooz teardrop shaped fishing weight. I plan to trim it to shape, & place it in the dozer for more added weigh. I still have bugs to work out with it. Once my Email quits lagging, I'll post the vid of it. The video ISN'T a very long video, & doesn't show the quirks I have yet to work out with this little dozer.
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