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Experiments with a Counter-propeller (1933)

NASA Technical Reports Server (NTRS) · leaf 2

An illustration from Experiments with a Counter-propeller, 1933, leaf 2
elements, relative to the axial direction is shown in Figure 1. Close to the trailing edge it is somewhat greater than at points three inches to the rear. It varies inversely as the radius and directly as the thrust. It should be noted that the angles measured take no account of any radial… … Figure 2.

NASA Technical Reports Server (NTRS)

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