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5th Jan 2011, 22:03
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cwatters
Join Date: Dec 2001
Location: England
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Two thoughts...
1) Air pressure at sea level is around 2000 Lbs/sqft so is 85 Lbs/sqft really "high" in percentage terms (just 4%)?
2) Reynolds number. Big fast wings are more efficient than small slow ones.
Low Reynolds Number Airfoil Design
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