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Thread: Helicopters are useless and dangerous!!
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Old 22nd February 2005 | 06:14
  #45 (permalink)  
Dave_Jackson
 
Joined: Apr 2003
Posts: 1,635
Likes: 1
From: Vancouver, BC, Canada
Smile
quadrirotor,

A couple of contestants for 'The Perfect Homebuilt Helicopter'.

Paddle wheel rotorcraft

Cyclorotor composite aircraft

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