its like this:
A helicopter had to have the tail rotor put on it for what reason?
that's right... to prevent the main rotor and the main body (housing the engine) from spinning in opposite direction.
double main rotor 'copters spin in the opposite direction: why?
and there is no prop on the ever popular car anology, when the engine is revved hard causing lurch.
piston drives the cranshaft which turns the prop. the piston moves down bwcause the explosion, which causes the movement because it forces the piston to move down using the block/ head as the base. the engine block is mounted securely to the vehicle, etc, etc, etc
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Even duct tape can't fix stupid... but it can muffle the sound.
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