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Construction Equipment If it digs, pushes, hauls dirt "off road" post it here. |
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#21
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Re: Another Unit Crane
Doepke made some that had a thumb wheel to rotate the crane.
Here is a pic that might help with routing the string.
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Scott "No load is too Small" |
#22
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Re: Another Unit Crane
by golly i think we got it right!
for your top servo mount, does it bend down then go to a standoff and bolt to the floor? Also how is the angle aluminum mounted at the floor?
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#23
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Re: Another Unit Crane
The top mount is only attached at the rear. The bottom angle aluminum has a threaded hole and has one screw coming up from the bottom, towards the front. I made the assembly like a "wedge" and the two mounting points just secure the assembly. Remember that all of the drums only pull in one direction...
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Scott "No load is too Small" |
#24
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Re: Another Unit Crane
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#25
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Re: Another Unit Crane
Cool you got it running. It does look like you have the ropes routed properly.
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Scott "No load is too Small" |
#26
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Re: Another Unit Crane
Many thanks to Stuff and Small Haul for the well documented conversions of these older toys. Any chance one of you might put a motor and driveline under one of the cranes?
Lynn |
#27
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Re: Another Unit Crane
LOL everyone wants one of them. Scott is making a tracked one and i think im gonna just pull mine around for now lol. kinda expensive upgrade to it for it to move so little. Scott's tracked one is gonna use a separate rc gear for the tracks and i dont blame him. he would have to get one of those center things that lets you run the wires down and being servo that would 6 wires worth and not cheap to do!
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#28
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Re: Another Unit Crane
Also some info on those servos. Apparently it only has one metal gear... but it does have dual ball bearings.
Modulation: Analog Torque: 4.8V: 201.4 oz-in (14.50 kg-cm) 6.0V: 213.9 oz-in (15.40 kg-cm) Speed: 4.8V: 0.19 sec/60° 6.0V: 0.16 sec/60° not sure what speed works out to but it seems fast enough for me!
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#29
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Re: Another Unit Crane
them center "things" dean are called slip rings i have heard of ppl using ball bearing. i never try my self yet. just make shere you get steel ball's.
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#30
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Re: Another Unit Crane
whoops i ment centering things. but yea a metal ring would work to.
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#31
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Re: Another Unit Crane
this is what i plan to do for an extension of the boom. see how it goes out then back in for thickness? well at the unit crane's hinge point i want to add an extension like Scott did. should make loading trucks easier!
also this crane is for sale on kijiji in alberta :P dont ask why i was looking that up lol
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Rc's are like pringles. You can't have just one!! my YouTube is - To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. Subscribe!! My Facebook - To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. Last edited by Stuff; 02-25-2011 at 12:35 PM. Reason: forgot pic lol |
#32
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Re: Another Unit Crane
how much
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#33
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Re: Another Unit Crane
well so far the string arrived, and today the bucket and the magnet arrived. magnet is lame but it was dirt cheap.
get a feeling how small this stuff is? another rant. why the h-e-double hockey sticks would you paint up brass parts and brass chain.. *facepalm*
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#34
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Re: Another Unit Crane
Anybody who would cut up a vintage toy, especially a crane, and power it up with RC stuff...is OK in my book! I love this stuff! Dan
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#35
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Re: Another Unit Crane
The way I see it, we are giving these toys a new life. Sure we might be changing and cutting them up, but for the greater good, not a scrap pile.
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#36
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Re: Another Unit Crane
...And as long as it's OUR toys, well, now they're better toys!
I have plans to power up this 1/25 crane eventually. It won't be self contained though. it will be mounted on a diorama, and the motors will be under the table. the upper unit will be fully functional, the tracks will be planted. I may build a truck type carrier chassis for it however. It too would be mounted to the dio. I did a similar convesion on an O scale (1/48) Northwest crane, smaller than this one. It was for a guy with an elaborate big bux model railroad. The crane worked well. I didn't have a digital camera then. |
#37
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Re: Another Unit Crane
Ah, kinda like the demo that the coal mines have. its not wireless RC and they have a slot cut out that the cables follow along. Mind you I havent seen one since i was a kid but there has to be a dragline RC sitting in someone's garage or something that worked at the mines...
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#38
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Re: Another Unit Crane
So I got out to Mog's today again. Lucky bugger gets to go to Vegas monday for the big iron show.
got the vex gear kit in Got the bottom off the crane house not without a fight got the gear mounted Got it back together Time to play! Martin got a good bucket full! Filling the truck And that is a bout as far as we got before the radio started freaking out. then the bucket lift servo has seemed to stopped working.. gotta take a better look at it i guess. oh well next time!! gotta make Mog a good video to!
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#39
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Re: Another Unit Crane
Making some good headway on the project Dean, what's next to tackle?
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#40
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Re: Another Unit Crane
extending the boom and getting a good radio to use in it.
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