Browsing Aeronautical Research Committee Reports & Memoranda by Author "J. A. Beavan"

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The effect of blade twist on the characteristics of the c.30 autogiro

J. A. Beavan; Lock, C. N. H. (H. M. Stationery Office, 1936)

An analysis of the blade motion and force characteristics of the standard Cierva C.30 autogiro rotor is made, taking into account the torsional flexibility of the blades. The results are applied to the steady motion and ...
General investion into the characteristics of the c.30 autogiro

P. A. Hufton; A. E. Woodward; F. J. Bigg; J. A. Beavan (H. M. Stationery Office, 1939)

The present report on the performance of a gyro plane contains the first really satisfactory set of full scale data to be obtained in this country, and affords a valuable means of checking a body of theoretical investigation ...
Tunnel interference at compressibility speeds using the flexible walls of the rectangular high-speed tunnel

Lock, C. N. H.; J. A. Beavan (H. M. Stationery Office, 1944)

The results of various measurements made in the National Physical Laboratory Rectangular High-speed Tunnel using the flexible walls are compared with theory in order to throw further light on the problem of tunnel interference ...

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