I just got back from PRI.
While I was there, I had an opportunity to meet with Mr Mitchell. The latest version of WinGeo3 contains a "Vehicle Dynamics" section that allows one to specify CG location, etc, and then load the car - and then the program will calculate the roll amount and...
The springs on the car are fixed-rate Hypercoils.
The motion ratio stays pretty much constant in the normal range of suspension motion.
The roll centres move laterally in roll, but on the order of a couple of inches.
And there are no bumpstops - the tire will contact the fender before shock...
I've been noticing more and more mention of a procedure that calculates the roll centre of a vehicle from a force-based perspective, rather than a purely geometrical one.
Circle Track in particular has been running a series of suspension modelling articles, and the author is adamant that the...
