PROPELLER VIBRATION INVESTIGATION OF HAMILTON STANDARD PROPELLER – BLADE DESIGN NO.6105-24, 11 FT. DIAMETER;3E50 HUB – RUN ON WRIGHT R-1820-49 ENGINE IN 0-47A AIRPLANE

摘要

One run was made with a manifold pressure of 29 in, Hg corresponding to maximum cruising instructions for these airplanes. A second run was made with a maximum manifold pressure of 34 in. Hg corresponding to the engine rating at an altitude of 3900 ft. Remorse were also made during takeoff.