The Design, Manufacturing and Testing of an Aluminium Cast Upright

Danilo Cambiaghi; Marco Gadola; David Vetturi

doi:10.4271/983056

1998-11-16

The Design, Manufacturing and Testing of an Aluminium Cast Upright 983056

The use of aluminium cast components as the uprights is as old as racing; nevertheless this traditional technology is still a standard on budget racing cars, where the advantages of a steel sheet, welded upright are simply not affordable. It is very well known that cast uprights allow for savings in the case of large production numbers (where “large” should be intended relatively to the racing world). The upright is the component which links the wheel and brake to the rest of the suspension. Being subjected to all the road loads and part of the unsprung mass, it is a fairly critical component. Any failure can lead to an accident; also, it must be as stiff and light as possible for better suspension performance hence roadholding.

The paper describes the design of a small single-seater cast upright from the drafting phase to FEM computation to experimental testing. It is a case study rather than an innovative project, but it could be a reference for those involved in a similar design.

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The Design, Manufacturing and Testing of an Aluminium Cast Upright 983056

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