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Perhaps it's the shape/cut of the pinion gear that makes the whining so pronounced? I know when I've worked on guns that whine, like ICS, gear lube on the pinion and bevel gear reduce the whine substantially. Altering the way the pinion displaces air (different pinion or gum it up with lube) would change the sonic characteristics of the motor assembly, would it not?
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Age verifier Northern Alberta
Democracy is two wolves and a sheep discussing what's for dinner.
Freedom is the wolves limping away while the sheep reloads.
Never confuse freedom with democracy.
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