Subject:
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Motorized Maintenance Truck
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 30 Sep 2005 20:00:40 GMT
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Viewed:
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1887 times
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A few months ago I had a Lego electric cable
(http://www.peeron.com/inv/parts/5306b) get cut. This left me with two half
cables. Somehow I got the idea that if I stripped the insulation off, I could
use one of the broken bits to power a technic motor off from a train track.
I built a small ugly truck to test the idea. I let the bare ends of the cable
trail along the two rails, connected the brick end to a motor, and drove the
rear wheels using a worm gear. It worked, but not very well. The loose wires
didn’t stay connected to the rails consistently enough to drive the truck.
I tossed the vehicle into the “seemed like a good idea” bin.
On a whim, I dug it out again last night to see if I could get it working.
Turns out, a technic liftbar with a little bit of tinfoil attached to the bare
wires was all I needed. The tinfoil rides flat along the rails, sending power
to the cable attached to the motor. Not pure, and not elegant, but functional.
Here’s the brickshelf folder, including an AVI of the truck in action.
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=147435
Now that I know the concept works, I may have to try building it into a better
looking vehicle, like this one by Pierre Normandin:
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=145861
Comments and suggestions welcome!
-Elroy
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Message has 1 Reply:
 | | Re: Motorized Maintenance Truck
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| Hello Elroy, In lugnet.trains, Elroy Davis wrote: ... (...) ... (...) A very good idea indeed. I like it very much. Thank you for sharing :) How is it doing with switchpoints?? and with bridges ramps? Do you observe corrosion of the surface of the (...) (19 years ago, 1-Oct-05, to lugnet.trains, FTX)
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