Quote:
Originally Posted by Jmac
Adding mechanical complexity, cost, and weight isn't going to increase reliability. Electric motors running at top speed typically isn't an issue. We have some 50 HP fans at my work that have been running 24/7/365 (except a few hours a year for maintenance) for 25 years without any problems.
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I'm not talking about wear and tear from the spinning. I'm talking about wear and tear from spinning at high RPM while taking jolts from the road. I don't think these fans you're talking about would last 25 years if they were constantly shaken hard while in operation.