Intensive study of vibrations has had to be made by transmission manufacturers who were seeking means of obviating car noise known as high-speed rattle and which makes itself heard through transmission case, although it is caused mainly by periodic vibrations in engine and propeller shaft; out of this study has come revival of idea of using fast rear axle, that is, one having low ratio between engine and driving axle, whereby rotative speed of crankshaft and propeller shaft can be reduced greatly and vibrations at given road speed diminished. Automobile Engr., vol. 17, no. 233, Oct. 1927, pp. 371-374, 5 figs. (See also - (discussion) in no. 2, Aug. 1927, pp. 174-179, 1 fig)
An internal-geared four-speed transmission
Soc. Automotive Engrs. -- Jl
Society of Automotive Engineers -- Journal ; 20 , n 6
1927
5 pages
5 Figs.
Article (Journal)
English
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