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Volume 13 - Issue 49 - January 1909

Contents

Other

II. General Meeting

Research Article

  • III. On the Action of Aerial Propellers and Aeroplanes

  • H. C. Vogt
  • Published online by Cambridge University Press:
    24 August 2017, pp. 23-27

  • During the years 1883-1886 different launches here were driven by aërial propellers or revolving sails, and the intention was a simultaneous utilisation of wind and steam power, nearly 80 per cent, of the wind directions being utilised, when sailing in a circular course. It was found that the efficiency of an aërial propeller, when correctly constructed, is a trifle superior (on account of the elasticity of the air) to that of a water propeller; at present, therefore, where the aerial propeller has come into practical use for driving aeroplanes its theory may perhaps attract attention.

IV. Review of Books

Other

Front matter

  • AER volume 13 issue 49 Cover and Front matter

  • Published online by Cambridge University Press:
    24 August 2017, pp. f1-f2
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Back matter

  • AER volume 13 issue 49 Cover and Back matter

  • Published online by Cambridge University Press:
    24 August 2017, pp. b1-b3
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