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Airscrew Thrust and Takeoff

Airscrew Thrust and Takeoff IN the mathematical treatment of the takeoff problem it was formerly difficult to define any general relationships for the airscrew thrust. This difficulty was avoided usually by assuming certain mean values, such as, for example, 1 1 to 12 kgh.p. for the static thrust and by using this value in the calculation. This procedure is incorrect in that the airscrew thrust is assumed to be constant for a given output and so ceases to be suitable as a governing factor. As we have shown in a previous article, it is now possible to estimate the static thrust more accurately and by appropriate engine design the static thrust can be made to satisfy the necessary demands within wide limits 11 This makes it possible to adopt new viewpoints in the treatment of the takeoff problem, which it is proposed to examine. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Airscrew Thrust and Takeoff

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb031166
Publisher site
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Abstract

IN the mathematical treatment of the takeoff problem it was formerly difficult to define any general relationships for the airscrew thrust. This difficulty was avoided usually by assuming certain mean values, such as, for example, 1 1 to 12 kgh.p. for the static thrust and by using this value in the calculation. This procedure is incorrect in that the airscrew thrust is assumed to be constant for a given output and so ceases to be suitable as a governing factor. As we have shown in a previous article, it is now possible to estimate the static thrust more accurately and by appropriate engine design the static thrust can be made to satisfy the necessary demands within wide limits 11 This makes it possible to adopt new viewpoints in the treatment of the takeoff problem, which it is proposed to examine.

Journal

Aircraft Engineering and Aerospace Technology – Emerald Publishing

Published: Sep 1, 1944

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