Subject:
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2 axel motorised truck with 3 stud center wheel spacing
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Newsgroups:
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lugnet.trains, lugnet.parts.mod
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Date:
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Tue, 8 Mar 2005 17:48:16 GMT
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Viewed:
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12522 times
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A Motorised 2 axel truck with 3 stud wheel spacing. This is a custom modified
9v train motor.
I’ve been toying with this idea for a while. It seems a shame that LEGO makes
only the one style motor truck. I used a small DC motor and a pair of wheel
sets. After testing with a teathered version, I replaced 2 of the wheels with
custom metal wheels to use as track power pick-ups.
Unloaded the truck runs at about 1/2 the speed of a standeard 9v train motor at
full throtal. This ratio stayed about the same on all speed settings. And loaded
with a metroliner club car it’s still close to that speed, even at the 3v
setting. It was able to pull 2 club cars and the metroliner passenger car on a
small circle of track.
It does seem to be sensitive to uneven track. It stalls a bit if either metal
wheel lifts at all, as it looses power. I think this would be cured with a 4
wheel track power pickup.
Deep links:
http://www.brickshelf.com/gallery/impact1/TRAINS/Lgaugewheels/motortruck/motortruck1.jpg
Top with the bogie plate removed. About 1/3 of the wheelsets had to be removed,
there is no visable modification when assembled. I had to shave off some the the
bogie plate tubes to fit the motor.
http://www.brickshelf.com/gallery/impact1/TRAINS/Lgaugewheels/motortruck/motortruck2.jpg
The underside, showing the gears. the motor has a 8 tooth gear, sitting directly
above the center reduction gear. I plan to hit the bright orange gears with a
sharpie pen. And the same for the metal wheels.
http://www.brickshelf.com/gallery/impact1/TRAINS/Lgaugewheels/motortruck/motortruck3.jpg
Here it’s mounted on a club car.
MOC page: http://www.mocpages.com/moc.php/8233
Mat
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