 | | Re: Zipper--the two-piece flying helicopter
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(...) Pretty neat. I have a friend who built something very similar to that about 2 years ago. He was playing around with gear trains (gearing up and gearing down) and he got a geared-motor to drive a gear train that spun up a model just like yours (...) (21 years ago, 2-Jun-03, to lugnet.build)
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| | Re: Zipper--the two-piece flying helicopter
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(...) Yeah, I figured someone else had to think of something like this sometime. I know how to make a gear train that can get it spinning fast enough, but I haven't quite figured out how to make it release well yet. -jrl (21 years ago, 2-Jun-03, to lugnet.build)
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| | Re: Zipper--the two-piece flying helicopter
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(...) Try coupling it to the gear train using a worm gear as the coupling. Due to the loose fit, it will eventually lift off. Tom (21 years ago, 4-Jun-03, to lugnet.build)
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