Electric motor- rotor- cooling fin broken

Author	Message
Tinker Guru Joined: 07/11/2007 Location: Australia Posts: 1904	Posted: 02:13pm 29 Dec 2011       I agree with Tony above, the pump is at most running around 3500RPM (60HZ). Not at all like the 10,000+ RPM's some power tools run at and which do require to be carefully balanced. Having a glued on fin fly off while the pump is running might be much worse than a slightly unbalanced rotor. Klaus