You balanced a pump impeller by placing a 5 gram weight at aradius of 100 mm. Th

You balanced a pump impeller by placing a 5 gram weight at aradius of 100 mm. The original vibration amplitude was 10 mm/s andafter adding the balancing weight the vibration is 1 mm/s. Thespeed of the pump is 1500 rpm and the weight of the impeller is 3kg.