From aerodynamic standpoint, propellers for engines of several times present powers will operate just as efficiently as those for smaller powers; for long range aircraft, operating at altitudes of 20,000 to 30,000 ft, 3-blade propellers increased somewhat in diameter over what is current practice are definitely indicated.
Aerodynamic considerations affecting propellers for large engines
Soc Automotive Engrs -- J
Society of Automotive Engineers -- Journal ; 43 , n 1
1938
8 pages
Article (Journal)
English
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