Effectiveness of Propellers at High Speeds: A Simplified Analysis of the Operation and Effectiveness of Propellers and Helicopter Rotors at Transonic Speeds Available to Purchase

The operating conditions of a conventional aerofoil type propeller or helicopter rotor in both subsonic and supersonic regions are separately considered, in the absence of direct shock and blade interference effects and other disturbances. The performance of a propeller or rotor is approximately predicted by applying the conventional strip‐type analysis and the results of the two‐dimensional aerofoil theory.