An aircraft propeller with five blades has been developed for application on relatively high horsepower turbine engines. This propeller is capable of absorbing high horsepower at low engine rpm to effect a low propeller noise emission.Propeller performance remains satisfactory, as its design is intended for a commuter type aircraft. Structurally, the addition of a blade has not created serious design problems. For its intended application, the five-blade best satisfies the requirement for a “quiet” propeller. It is doubtful if the addition of more blades would be desirable.
A Quiet Propeller for Commuter and General Aviation Aircraft
Sae Technical Papers
National Business Aircraft Meeting and Engineering Display ; 1974
01.02.1974
Aufsatz (Konferenz)
Englisch