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How does spar protrusion affect performance



 
 
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  #6  
Old July 12th 04, 12:59 AM
Doug Hoffman
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Eric Greenwell wrote:

I thought Johnson's criteria was +/- .004".


Thanks Eric and Udo. I got the +/+.002" from a Soaring article *not*
written by Mr. Johnson. My mistake! I tried looking at some of the flight
tests from the SSA website and +/-.003" to .004" seems to be what Mr.
Johnson uses as his benchmark, as Udo says.

Now I'm feeling a lot better about my wing reprofiling work! ;-)

Regards,

-Doug

 




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