I don't think the fans will take kindly to being spun up when you are

going

200 mph
 > ...Chrissi

 Try 300 MPH because that is how fast the Lancair IV EngineAir Chevy V8

goes

with
 electric cooling fans. Use the same kind they do. There are at least
 a half dozen flying and they have come in second two years in a row in
 the NC to OSH race at over a 300 MPH average.

 Paul Lamar

If the fan switch is wired so that the fan motor brushes are shunted when
turned off, the fan will only turn very slowly.

Lynn E. Hanover

 
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