Quote:
Originally Posted by Happy
But if I (human drivetrain LoL..)am completely exhausted that means, I am experiencing more stress. The power still has to flow from the muscles to the limbs, etc.
The rope is static, the gearbox is not. So you have torque + weight affecting all of the rotational mass.
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Like I said, you are the engine in this scenario, and the rope is the transmission. The engine does more work (i.e. uses more fuel) but the transmission does not see any more stress.
The last statement you made is not true. Think of it this way, let's say Happy's engine makes 300 lbft of peak torque. If you took your tranny off the car, shifted it to third gear, then took a pipe wrench and twisted the input shaft with a torque of 300 lbft and held the output shaft so that it could not move, the transmission would be experiencing the same stress as it is in your third gear pull. (There is a very minor amount of heat transferred into the transmission that I am ignoring, because your transmission doesn't care about it in the slightest.)