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The Gyroplane*

Published online by Cambridge University Press:  28 July 2016

Louis Breguet
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Extract

I ought first of all to define what a gyroplane is.

A gyroplane belongs to the helicopter family, aircraft which, as their name indicates, have wings in the form of airscrews.

In effect a helicopter consists of large airscrews, with axes nearly vertical and set in rotation by the action of a motor; the reaction of the air on the blades provides the necessary lift to enable the machine to rise vertically, without forward speed.

I will recall that in order to obtain sustentation without forward speed many suggestions have been made for giving to wings a movement which would produce lift.

Type
Research Article
Information
The Aeronautical Journal , Volume 41 , Issue 321 , September 1937 , pp. 791 - 826
Copyright
Copyright © Royal Aeronautical Society 1937

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Footnotes

*

Translated by the Editor and Mr. W. O. Manning from Journées Techniques Internationales de l'Aeronautique (November 23rd-27th, 1936) by courteous permission of the author. Some of the French expressions are obscure, but the original may be consulted at the offices of the Society.

References

Note on page 795* Fig. 2 omitted.

Note on page 825* As in original.