A simple method for increasing the lift of airplane wings by means of flaps (1933)
NASA Technical Reports Server (NTRS) · leaf 6
Pigs. 1,2a N.A.C.A. Technicetl Memorancljxai No. 714 … Figure 2a. - Polars of wing '.vith flaps for various values of p. (p= angle "between flap and su.rface of wing). Plap chord s=0.05t (t-wing chord)
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
