its amassing to me how guys get screwed up on propeller slip I2 inches of pitch at 5200 rpm = a mile minuet less slip i think that is no way to describe how a prop works please conceder this. the queen marry at long beach ca has about a 18 inch diameter prop shaft and turns 175 rpms a min. the boat goes about 30 miles a hour. now how much pitch do we need to do that
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