Maximum-lift coefficient of airplane, based on original wing area, was increased from 1.35 to 1.96 while minimum drag was increased from 0.050 to 0.052; landing speed decreased 9 mph; level-flight speed increased 10%.
Flight tests to determine effect of fixed auxiliary airfoil on lift and drag of parasol monoplane
Nat Advisory Committee Aeronautics -- Tech Notes
1932
9 pages
9 Supp sheets
Report
English
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