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Tests on a model of the D.F.W. airplane T-29 of the "Deutsche Flugzeug derke" (German airplane works) (1924)
NASA Technical Reports Server (NTRS) · leaf 21
Figs.2 & 3. 1.2 1.0 .& .6 A .0 -.2 .20 .10 0 Fig. 2, Elevator deflection. Pitching moment coefficient.NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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