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Helicopter Rotor Induced Velocity Study by Marek Cel is a document available to read on EtoBox.

This technical note presents the empirical relationship between induced velocity, thrust, and rate of descent for helicopter rotors based on wind-tunnel tests of four model rotors. The study reveals that the induced velocities differ significantly from previous models, particularly at various descent rates, and highlights the effects of blade taper and twist on rotor performance. The findings aim to improve the accuracy of free-flight calculations and address discrepancies in earlier test data.

Author

Marek Cel

Language

EN