Subject:
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Re: 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 18:04:27 GMT
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Viewed:
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10494 times
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"Mathew Clayson" <mathew_impact1@yahoo.com> wrote in message
news:ID1o4G.1ErE@lugnet.com...
> A Motorised 2 axel truck with 3 stud wheel spacing. This is a custom
> modified
> 9v train motor.
> <<http://www.brickshelf.com/gallery/impact1/TRAINS/Lgaugewheels/motortruck/motortruck.jpg>>
>
> 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
Holy crap Mat! I never really thought of doing that. That's great! To
combat jittering on uneven tracks and the like, you could always add a
second set of pickup wheels on the other end of the railcar.
I want to do the following things:
1) add wheels to the 9v train motor for a 6 wheel truck
2) make power pickups for normal wheelsets for accessories in railcars
3) powered handtruck! with moving handles!! modified nba players would work
nicely here...
Rob
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