Subject:
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Re: Making Lego airborne
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 27 Mar 2000 17:41:35 GMT
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Viewed:
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1435 times
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daniels@netcom.com (Daniel A. Segel) wrote in
<4.2.2.20000324083611.00b4ae80@netcom9.netcom.com>:
> Neither the micro-motor nor the geared motor turn anywhere near fast enough
> to even generate a stiff breeze, much less lift something.
>
> The old 9V motor is faster, but probably not fast enough.
I played with this some. The motors definately can not lift them selves.
But I did come up with a pure LEGO flying contraption. It is actually pretty
simplistic.
I got the idea while playing with the alternate model for the bungee blaster
(the first bungee powered dragster, came in yellow and red). The basic idea is
to add a propellor (The black, two-blade ones that are about 3-4 inches long)
to the top and use the top launcher upside down. I think maybe I had to tinker
with it to get it to work. But, what I ended up with was a device that would
launch a small propellor into the air for several seconds. The bit that flys
is just an axle with a 16t gear and a 2-blade propellor. Lots of fun around
the cats.
Some more experimentation found that a simple device could allow an older 9V
motor (non-geared) to launch the device too. Never coule get it to launch
anything more complex. I was trying to come up with a two-propellor design.
Basically two of the simple devices both stuck through a technic beam.
Couldn't get enough lift.
Have Fun,
Gino A...
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Message is in Reply To:
 | | Re: Making Lego airborne
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| Neither the micro-motor nor the geared motor turn anywhere near fast enough to even generate a stiff breeze, much less lift something. The old 9V motor is faster, but probably not fast enough. Daniel (...) -- "Being humble is why I'm a great (...) (24 years ago, 24-Mar-00, to lugnet.robotics)
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