CAD designed roll cages

When the FIA introduced new standards for roll cages in Appendix K historic racing cars we used IronCad to design a cage for an E-type jaguar. We then had an FEA consultancy to check its' characteristics. The specification demanded that the cage moved less than a maximum amount with a point load on a specific part of the cage.

We evolved the design through several iterations checking at each stage to see if it met the standard. The illustration shows a visualisation of the stresses in the cage at maximum load.



The geometry of the cage as defined by IronCAD and material characteristics were input to a Finite Element Analysis program. The program calculated loads and movement as a result of an applied force. We submitted the results to the FIA and gained their approval to our design. We achieved the first such approval for the E-type Jaguar.