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International Automotive Technicians Network
Re: Fan Clutches
Posted to HVAC Forum on 8/2/2006

On older American vehicles you can get a centrifugal clutch that works just the opposite of a centrifugal clutch on say a mini bike.

At idle it pulls air across the condenser like crazy. The faster you go the more it slips, but by then ram air takes over. It... Login to read more.