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Thread: Why are Helicopters with the Flettner-System so slow?
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Old 31st October 2006 | 23:56
  #17 (permalink)  
Dave_Jackson
 
Joined: Apr 2003
Posts: 1,635
Likes: 1
From: Vancouver, BC, Canada
Nick,

As requested.

The constants are: Chord = 1 ft. Aspect ratio = 20:1. Sigma = 0.064. Taper = 0º. Twist = 0º. Blades = 4. Profile = NACA 0012



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