Mutual influence of wings and propeller

L. Prandtl
Dec 1921

In the experiments, use was made of the arrangement shown in Fig. 1. The aerofoil had the wing section No. 436, with a span of 960 mm., and a chord of 160 mm. The propeller had diameter of 265 mm., and was mounted on the end of an adjustable shaft, which in turn was mounted on a floating frame, and was driven, by means of a belt, by an electric motor located outside the air current.

An Adobe Acrobat (PDF) file of the entire report: