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Old 04-14-2007 | 02:29 PM
  #13  
Tall Paul
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From: Palmdale, CA
Default RE: two airfoils on one wing

From the full scale.. North American Aviation drawings..
The NAA B-25 has the same scheme.. Semi-symmetrical at the root, undercamber at the tip.
Any good airfoil program (Profili) will compute the intermediate rib shapes..
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