Fwd: [M] Alterpower alternator charging control switch

[Clive Apps Techno-Logicals 416 510 0020]

> 
> > Thought someone might find this interesting....  Good for 5 free hp at WOT.
> 
> Something to consider on the flip side - your alternator
> puts out 13.x volts... where as a fresh battery puts out
> 12V.  As you use the battery more and more without charging
> it, the voltage simply goes down.  Until about 9V when the
> car stalls and you go camping at that exact spot :)
> 
> If my math is correct for the typical 85A GM alternators, it
> would be about 2.1HP, not five.  But I could be wrong with
> the math.  Just throwing it out there :)


alternators usually use a 1/2 wave rectifier
so double that
and add losses
5 HP is reasonable
you should see what a diff an electric sater pump makes
some stock pumps use more than 30 HP at redline on a revver

Clive