Inside Out Library · Explore
Some experiments on autorotation of an airfoil (1929)
NASA Technical Reports Server (NTRS) · leaf 16
Figs.8,9. N.A.G.A. Technical Note No.319 … .5 0° 10° 20° 30° 40° 50° 60° 70° 80° 90° Angle of attack,a Fig.9 "R" vs a, aspect ratio 6NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
More pictures from Some experiments on autorotation of an airfoil
More like this
