II … plane influences the upper wing of that combina- t i o n . Conse- quently, i f this reasoning hold, we should ex- pect the sum of the observed lifts on the up- per and lower wings of the triplane to b e equal to the observed lift on the biplane R.A.F. 6 pre- viously tested. The ob- 16' 18' 2O' 23?…
Airplanes
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