In order to facilitate solutions of the general problem of helicopter selection, the aerodynamic performance of rotors is presented in the form of charts showing relations between primary design and performance variables. By the use of conventional helicopter theory, certain variables are plotted and other variables are considered fixed. Charts constructed in such a manner show typical results, trends, and limits of helicopter performance. Performance conditions considered include hovering, horizontal flight, climb, and ceiling. Special problems discussed include vertical climb and the use of rotor-speed-reduction gears for hovering.
Charts Showing Relations Among Primary Aerodynamic Variables for Helicopter-performance Estimation
01.02.1947
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Charts showing relations among primary aerodynamic variables for helicopter-performance estimation
Engineering Index Backfile | 1947
|Charts for helicopter-performance estimation
Engineering Index Backfile | 1945
|Charts for Helicopter-performance Estimation
NTRS | 1945
|