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Reply to "ZF oil cooler"

quote:
Originally posted by Bosswrench:
...tuft studies show....


I was thinking the fan current could be measured at rest. If the motor current decreased with speed, then the natural aerodynmaics is in phase with the fan direction.

If the current increases, then the fan is fighting agaisnt the natural.

having a 2 pole toggle would allow the fan direction to be easily reversed at the transition speed
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