Inside Out Library · Explore
Full-scale Wind-tunnel and Flight Tests of a Fairchild 22 Airplane Equipped with External-airfoil Flaps (1937)
NASA Technical Reports Server (NTRS) · leaf 32
rig.9 (») H.A.C.A. Technical Note No.604NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
More pictures from Full-scale Wind-tunnel and Flight Tests of a Fairchild 22 Airplane Equipped with External-airfoil Flaps
More like this