Torsional Stiffness of Chassis

[Kev Lister]

We've put together our chassis design for 2005, and are currently analysing. I'm wondering what sort of values other people are looking to achieve between the front and rear suspension.

Cheers

[Kev Lister]

We've put together our chassis design for 2005, and are currently analysing. I'm wondering what sort of values other people are looking to achieve between the front and rear suspension.

Cheers

[DJHache]

Kev, there's about 9000 posts on this matter. In general the goal is to have the chassis be a stiff as possible without going over on weight. This means you could design your frame for, say, 65lbs and get it as stiff as possible. Stiff enough depends on the relative roll stiffness of your front and rear suspension. Use the find function of the forums for more discussion on the subject

[jack]

really, the way to find out is to put strain gauges on all your a-arms and pushrods. or, you could go down the easy route, which i think all but one team does, and just design for as stiff as possible, given your target weight like dhhache said.

dont forget about roll torque too.