WebApr 21, 2007 · We have done many tests with many fans, blade types, number of blades, distance, and shrouds. The high pitch 4 blade is the best, and with all blades except the … WebJun 8, 2007 · clutch fan v.s. flex fan hello robert, my two cents worth, I would stay with a clutch fan. working corectly at higher r.p.m. the cluch slips freeing up extra ponies, as the flex fan on the other hand is enguaged all the time, the constant flexing of the fan blades will eventualy cause the blades to crack off and grenade the radiator, this comes ...
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WebJun 30, 2024 · A flex fan and a clutch fan operate in the same basic manner. The blades of the flex fan flatten out for less pitch to reduce the amount of air it moves and to lower drag on the engine. The clutch on the clutch fan slips for the same reason. The primary advantage to a flex fan is that the assembly can be shorter for use in cramped engine bays WebWhile the factory clutch fan assembly on the Toyota engine is ok for everyday driving, it is also heavy and the Flex Fan Dual Electric Fan clutch will eventually wear out and … gary moore canvas
Benefits of a Flex Fan vs Thermo Clutch Bob Is The Oil Guy
WebApr 19, 2001 · The belt driven fan has significantly more cooling capability and the current frontal designs reflect it. Tom was referring to the difference between a flex/fixed fan and a clutch driven fan. A flex fan can require up to 20 hp at full engine RPM. A properly operating cluch fan will take less than 5 and do a better job. WebDec 7, 2005 · i recently had fan trouble as well. my fan clutch was shot and my fan was actually WOBBLING. not good. a bad fan clutch will lead to a bad water pump, as they run off of the same shaft. flex fans are CONSTANTLY spinning, this creates a lot of drag on the motor. the theory is that as the RPM's increase, the fan blades (depending on your type … WebDerale 15" Stainless Steel Flex Fan, Black - Belt Driven - 10,000 RPM - Reverse Rotation. 14-3/4" Diameter x 2-3/8" 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. gary moore death report