1945-01-01

Basic Factors of Helicopter Design 450215

PRESENTED here are the basic factors of helicopter design; and in addition, the paper shows a method of designing a helicopter so that it will have optimum efficiency for both hovering and cruising flight.
Further extension of helicopter design involves the use of a chart on which an efficiency factor versus operating blade light angle is plotted. All deviations from the theoretical expressions are compensated on this chart, which provides an overall comparison and design aid.

SAE MOBILUS

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