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Old 06-29-2004 | 01:07 PM
  #51  
J_R
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From: Corona, CA,
Default RE: Dave Brown's August Column
ORIGINAL: Sport_Pilot

<SNIP>
I have never seen a sailplane that left the winch at 400 feet. They never gain the same altitude as the length of the cord, and I have never seen a cord longer than 200 feet.
Take a look at this site. It has a diagram of a typical winch launch of a sailplane. Although it is an FAI launch, it is typical of what is used in AMA contests as well. Note that the projected lauch altitude is 260 meters and the length of the winch line is 200 meters.
http://www.hsa.lr.tudelft.nl/~frits/F3B.html
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