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The Torsion of Members Having Sections Common in Aircraft ConstructionWithin recent years a great variety of approximate torsion formulas and drafting-room processes have been advocated. In some of these, especially where mathematical considerations are involved, the results are extremely complex and are not generally intelligible to engineers. The principal object of this investigation was to determine by experiment and theoretical investigation how accurate the more common of these formulas are and on what assumptions they are founded and, if none of the proposed methods proved to be reasonable accurate in practice, to produce simple, practical formulas from reasonably correct assumptions, backed by experiment. A second object was to collect in readily accessible form the most useful of known results for the more common sections. Formulas for all the important solid sections that have yielded to mathematical treatment are listed. Then follows a discussion of the torsion of tubular rods with formulas both rigorous and approximate.
Document ID
19930091404
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Trayer, George W
March, H W
Date Acquired
September 6, 2013
Publication Date
January 1, 1930
Report/Patent Number
NACA-TR-334
Accession Number
93R20694
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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