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Subject: 
Re: Zipper--the two-piece flying helicopter
Newsgroups: 
lugnet.build
Date: 
Mon, 2 Jun 2003 20:12:32 GMT
Viewed: 
1971 times
  
In lugnet.build, Jona Jeffords wrote:
> In lugnet.technic, James Loewen wrote:
> > I came up with this a little while ago. It's extremely simple, but it's kind of
> > fun and it's the first thing I've seen built of Legos that can actually fly!
> > You can check it out here:
> > 
> > http://www.brickshelf.com/cgi-bin/gallery.cgi?f=45172
> > 
> > PLMKWYT,
> > 
> > jrl
> 
> 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 enough
> that it would lift-off on its own.
> 
> Jona


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



Message has 1 Reply:
  Re: Zipper--the two-piece flying helicopter
 
(...) 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 (23 years ago, 4-Jun-03, to lugnet.build)

Message is in Reply To:
  Re: Zipper--the two-piece flying helicopter
 
(...) 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 (...) (23 years ago, 2-Jun-03, to lugnet.build)

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