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Old 09-01-2012, 08:14 PM
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Wet_Boots Wet_Boots is offline
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Join Date: Mar 2005
Location: metro NYC
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All rotor heads have bearings, and high pressure can't be any great benefit to them. Maybe overpressure wears bearings, and increases bearing friction. Reducing pressure would then reduce the forces that rotate the head, possibly to a point of non-rotation.
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