Electric Fans
#16
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Join Date: Jun 2006
Location: Ardmore Tn
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It is simple Power = voltage times amps. At 110 volts you don't need but 5 amps to get 550 watts but at 12 volts you would need 45.8 amps for the same power, hence the same CFM which = cooling capacity. Since Diesels have 2 batteries hooked in parallel for more starting amperage you could hook a fan up for 24 volts (series) and cut the amperage in half. Bottom line is on the road is not a problem because of the ram air effect. Sitting still in traffic the fan must make up for the air that is not flowing through the radiator. Sitting still in traffic or stop and go who cares if you use a few HP for cooling, you can't use it for anything else can you? It is going up that 20% grade pulling 8K that you need the HP.
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KUMMINZ1983
Performance and Accessories 2nd gen only
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01-12-2005 09:19 PM