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Struts of Conical Taper

Published online by Cambridge University Press:  24 August 2017

H. A Webb  and
E. D. Lang
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Abstract

The strength of wooden struts consisting of a parallel centre portion with ends of conical taper is considered rnathematically. It is shown that the best results are obtained when the parallel portion is half the total length of the strut, and when the taper of the ends is such that the end diameter is half the central diameter. Such a strut is 12% lighter than a simple parallel strut of the same length and strength, and only 1% heavier than the ideal strut of the best possible gradual taper. A simple formula for design is given.

The authors suggest that struts of this pattern might be adopted, for manufacture reasons, in many parts of an aeroplane in which solid wooden struts are used, especially if of circular section. They can then be turned in the ordinary lathe.

Type
Research Article
Information
The Aeronautical Journal , Volume 23 , Issue 100 , April 1919 , pp. 179 - 186
Copyright
Copyright © Royal Aeronautical Society 1919

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