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I think you are right about the wheelspin on that Typhoon. From what I have seen on the internet about it, it only can manage about 6.5s 0-100km/hr which is ridiculous for a car with that much power and torque, even if it is all at the top end. Your drive.com.au said "Performance: Not possible...

Greg, you are right, but I didn't think the specifics were necessary. The killer event was a WOT run up a bumpy incline (I seem to recall it might have even included pulling a trailer- but I might have dreamed that part). The combination of high longitudinal loads combined with rapid...

I don't know much about what they ended with, but I can tell you they started with a 4-link rear with a lateral toe-link, a lateral camber link, a lower lateral spring link, and a trailing blade (compliant in torsion) with a huge front bushing. This arrangement is recently common in front-wheel...

Gerry, For 42CrMo4, sigma f' =1154 MPa b1 = -.061 To plot the S/N curve: plot cycle counts versus calcuated stress amplitude, where: stress amplitude (MPa) = 1154*((2*cycle count)^(-0.061)) Using this equation: Life (cycles) Stress Amplitude (MPa)...

Gerry, Actually, I was able to find the fatigue values for this material in a paper on the internet at: http://facta.junis.ni.ac.yu/facta/macar/macar200301/macar200301-13.pdf I didn't check if their test was specifically for quenched and tempered, but this is the normal treatment for this...

You can find fatigue information for many materials for free at www.fatiguecalculator.com. You can generate an S/N curve with just the fatigue strength exponent and fatigue strength coefficient. dyna3d