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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: 
513 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 (21 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 (...) (21 years ago, 2-Jun-03, to lugnet.build)

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