Subject:
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Re: Scratch building a motor
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Newsgroups:
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lugnet.trains
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Date:
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Tue, 19 Feb 2008 13:23:16 GMT
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Viewed:
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17922 times
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In lugnet.trains, Wayne Jackson wrote:
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I am curious to know if anyone has attempted to use the technic motors
and gears to build their own train motor.
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I did one too, to show at a BeLUG event last november, but never got around to
do decent pictures or post them here. The train isn’t as nice as Swoofty’s, but
the principle for driving the wheels appears to be the same:
Which is pretty straightforward. Doing a nice train around it is, to me, more
difficult, so I just redid it the 7740 way, which is my idea of a train.
What I did to get it funnier was stuff two medium PF motors in there, and couple
them with a differential so that I could get 4 different speeds in both
directions - as the current PF remote doesn’t do PWM. (And I didn’t know the
receiver could at the time)
Well, more pictures there if you’re interested; maybe I’ll do more about it
someday (it seems that moving requires a tremendous amount of non-LEGO time):
http://www.meltingbricks.net/pictures/galleries/power_function_7740/
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