Originally Posted by AdrianM
You are exactly right. For example we have checked an Xray FK04 3.9mm chassis against our 2.5mm graphite and they are VERY close in torsional and longitudinal flex.
Schumacher pays a lot for its graphite. We could get stuff that costs as much as half what we are paying now but the cars performance would suffer.
I had a BMI 3mm chassis for my 04FK and no way is the 2.5 teemu stiffer than that chassis,But if you guys say it's ok then i guess it is.