Inside Out Library · Explore
Experiments on autorotation (1926)
NASA Technical Reports Server (NTRS) · leaf 13
N.A.C.A. Technical Memorandum No.380 Figs.3 & 4 … 0° 10° 20Q 30° 40° Fig.3 Airfoil Ho.3 100 150 20° 250 300 35° Fig.4 Airfoil No.3NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
More pictures from Experiments on autorotation
More like this