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Originally posted by Mines Mystique:
Quote:
Anyone care to calculate the rotating speed of the water pump at say 5,000 rpm...(clue to impeller being plastic)....
178.5 mph, approx. I can be more accurate if someone can tell me the radius of the impeller and its weight.
Sounds like you?re estimating the tangential velocity. The ?rotating speed? was stated in the question @ 5000 rmp.

Cheers
JCA