> I stand by my original description. When the OD state
> changes, a solid axle car will experience an inpulsive
> loading of one rear wheel and a similar unloading of the
> other, caused by the driveshaft torquing the diff and axle
> tube.
That's true, but with a 100hp motor in a 2000 lb car, it's not enough to
notice.
> In an IRS car, this does not happen
But the frame and body get torqued, which in turn lifts the wheel anyway.
> In either case, something must absorb
> the displacement difference between opposite sides of the OD,
> and a short time over which it occurs corresponds to higher
> stresses on whichever component must absorb them.
True. But those stresses are relatively small and controlled by design,
compared to (for example) dumping the clutch in 1st gear.
Randall
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