Results of tests on three adjustable propellers of 10 ft diam and various airfoil sections which were operated in front of four body nose shapes, varying from streamline nose that continued through propeller plane in form of large spinner to conventional open nose radial engine cowling.
Effect of body nose shape on propulsive efficiency of propeller
Nat Advisory Committee Aeronautics -- Report
1941
29 pages
Report
Englisch
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