14-3/4" Diameter x 2-3/4" deep, heavy-duty flex fan offers a unique design that allows fan blades to flatten out when sufficient airflow is present, thereby avoiding engine overload and boosting your mileage and horsepower.
Features:
Specs:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to take a look at the Derale 15-inch Heavy-Duty, Standard Rotation, Stainless Steel Flex Fan. This is a belt-driven design. It has a 10,000 RPM rating. Now this fan will increase your fuel economy, your horsepower, and your torque. It improves the overall performance. It will pull more air at the lower speeds than your factory fan, because of the larger surface area.
It has the 6 blades. This is designed so that the blades will flatten out at higher RPM, when your vehicle speed alone will give you sufficient air flow. It has this nice, heavy-duty steel hub and the durable, reinforced, stainless steel blades. This part is made in the USA. Again, a few specs on it. The rotation is a standard rotation, which means a clockwise rotation.
The way you can tell that is that, if you stand at the front of your vehicle looking at the engine, the fan would rotate clockwise. This is rated up to 10,000 RPMs. Now, the flange bolt spacing, which is these 4 elongated holes right here, it is adjustable at anywheres from 1-3/4 inches up to 2-1/4 inches. The pilot hole in the very middle, it's 5/8-inch diameter. Just want to give you a dimension on the fan itself. Overall width from edge to edge, see, is going to be right at 14-3/4 inches.
Then the depth of the whole fan itself is going to be right at 2-3/4 inches deep. That should do it for the review on the Derale 15-inch Heavy-Duty, Standard Rotation, Stainless Steel Flex Fan. This is a belt-driven design; has a 10,000 RPM rating.
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