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Old 02-07-2013, 03:44 PM   #3 (permalink)
Tesla
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Join Date: Feb 2012
Location: Australia
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I don't think you would see a payback in your lifetime, but if you were designing from ground up then you might look at them for high efficiency or in competition conditions.
Their fans are good, but expensive, for most of us if we pay attention to the details of the grille block and radiator airflow, any fan is only minimally required.

I have been running for 2 years without a fan at all, my travel is mostly hwy, but I am planning to do a small electric fan just for those stop/start traffic conditions.

I'm pretty sure they can be mounted horizontally as well as they are also used for top mounted aftercoolers on turbodiesel's.

Pusher fans are mounted infront of radiator, pullers behind, generally the pulling function is more effective, most just reverse direction of rotation but this causes a drop in efficiency because the fan blades are going backwards, ideally you get a fan for the correct application.
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