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Thread: Alternator and HP Loss
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05-28-2010 #1
New to Pro-Touring
- Join Date
- May 2010
- Location
- Athens, Ga
- Posts
- 44
Alternator and HP Loss
I was talking to my engine builder about HP loss with viscosity fans and straight fans, which got me thinking what kind of HP loss do you have with electric fans, water pump,fuel pump, bla bla bla. My searches led me to this formula.
Amps x Volts = Watts
Watts / 745.7 (one HP) = Electrical HP Produced by the Alternator
HP x 15% Efficiency Loss = HP Loss
HP + HP Loss = Total HP Used
I put 140 for my one wire Alt and it came out to less than a HP loss. Is that wrong or are the electrical components that good.
Sorry if this has been discussed before. I didn't see it anywhere.
Zach Daniel
1970 Pontiac Firebird work in progress
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