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Old 09-12-2015, 01:29 PM   #12 (permalink)
cRiPpLe_rOoStEr
It's all about Diesel
 
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Quote:
Originally Posted by oldtamiyaphile View Post
An electric radiator fan is a 'maybe' in terms of efficiency. Converting fuel to electricity and back to kinetic energy isn't efficient, compared to a simple mechanical fan and clutch. If you can loose the belt you may see a gain, if your car is such that the belt's needed to run something else, there won't be much in it.
An electric fan leads to faster warm-up times, which is already advantageous as the engine reaches its optimum temperature sooner, and the fan drive is usually lighter and has less friction losses, so it's not a bad deal at all.
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