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Old 12-08-2017, 04:57 PM   #30 (permalink)
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Originally Posted by RedDevil View Post
I think fatigue failures are mainly due to lots of changes in load rather than the load in itself. As the Tesla truck won't change gear, it would see less frequent changes in load.

Four motors driving each rear wheel directly and independently will further lessen the strain on the frame compared to one big frame mounted engine and gearbox.
A maximum braking event brings many big rigs frame and xmbr s up into the yield zone and that is ďas designed ď

These trucks ladder frames arenít made to last much more than 10 years in most cases.

Re rails and gliders are common in the industry for this reason

So yes heavy, steady braking or acceleration will cause accelerated wear unless itís in the design case.
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