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How Springs and Knee Action Suspension Operate By Chevrolet

how-springs-work-by-chevrolet

This is the third in a series of short films produced by the Jam Handy organization for Chevrolet in 1935 to be shown here. In the video, the thought-provoking engineering principals that have gone into the advancement of the parallel half-elliptic spring suspension system in the automaker’s cars is shown.

A number of actual demonstrations of the springs on automobiles in action and moving illustrations show exactly what Chevy had developed and the film even takes a jab at Ford’s old-fashioned transverse springs. The last third of the video demonstrates the new “Knee-Action” front suspension in action. That system was recently presented in the posts about Andre Dubonnet’s 1932 Xenia. 

4 responses to “How Springs and Knee Action Suspension Operate By Chevrolet

  1. Fixing automobile design deficiencies always seems to involve adding complexity. The narrator justifies the increased cost with promises of improved reliability and longevity. I’m trying to think of an automobile design that was improved by adding simplicity. Colin Chapman “added lightness” to his designs to make them faster, but I don’t think that qualifies. Other than the very early improvements of the tens and teens, can anyone think of an example of adding simplicity to improve a car? Thanks for another interesting film.

    • It often seems that any major improvement is more of a shift of complexity than an elimination of complexity. Such as the McLaren P-1, which saves weight by eliminating ant-sway bars, etc. with its computer controlled suspension and braking. It is simplified from a mechanical standpoint, but not from a hardware/software standpoint. I suppose you could say that the ubiquitous VW Beetle, accomplished simplicity as an improvement. Similarly with the Mini, and the 2CV. Perhaps the original Jeep qualfiles as well for simplicity that is an improvement.

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