Helicopter blade and rotor
作者： Jr. Robert H. Blackwell
DOI:
关键词:
摘要: A torsionally compliant helicopter blade having its aerodynamic center axis positioned selectively forward of gravity and elastic axes throughout a selected portion the span so that, during operation, will experience airloading which induce two per rev torsional deflection to thereby improve rotor performance by reducing total power required drive rotor.
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