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The Inspection of Metals and their Alloys*

Published online by Cambridge University Press:  28 July 2016

L. W. Johnson
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Extract

The present-day tendency of automobile design is to increase the power/weight ratio of the engine, while at the same time retaining or improving the efficiency, and to reduce the weight of the chassis generally for a given power. The drawing office creates the efficient engine, and the inspection department enables the design to be put into and maintained in effective production. Now, the modern high-efficiency machine is due, amongst other things, to a more accurate knowledge of stress distribution, and consequently the factor of safety, or the factor of ignorance as it sometimes used to be named, may approach unity—provided that the materials used are consistent.

Type
Proceedings
Information
The Aeronautical Journal , Volume 34 , Issue 234 , June 1930 , pp. 441 - 494
Copyright
Copyright © Royal Aeronautical Society 1930

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Footnotes

*

Joint meeting with the Institution of Automobile Engineers.

References

Note on page 442 * See “Scientific Instruments,” January, 1924, pp. 120-122.

Note on page 442 † See “Engineering,” December 15, 1911, p. 786.

Note on page 443 * See Jour. Iron and Steel Inst., 1922, Vol. II., p. 103.Google Scholar

Note on page 445 * See Jour. Birmingham Inst. Soc, Vol. VIII., No. 5, p. 163.Google Scholar

Note on page 446 † See British Engineering Standards Association Report, No. 240, 1926.

Note on page 447 * See Jour. Iron and Steel Inst., Vol. CVII., p. 343.Google Scholar

Note on page 456 * See Jour. Iron and Steel Inst., Vol. CIX., No. 1, p. 433, Aitchison and Johnson.Google Scholar

Note on page 457 † The subject of “Fatigue” was dealt with by Dr. H. J. Gough in his lectures before the Institution. See Proc. I.A.E., Vol. XXIII., p. 341.

Note on page 473 * See Jour. Inst Met., Vol. XXVI., No. 2, Genders.

Note on page 475 † See Jour. Inst. Met., Vol. XXXII., No. 2.

Note on page 477 * See Jour. Inst. Metals, Vol. XXXII., No. 2, Moore, Beckinsale and Mallinson.

Note on page 481 * See Report on Materials of construction used in Aircraft and Aircraft engines, by C. F. Jenkin.