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Old 03-19-2010, 01:09 PM   #13 (permalink)
JohnNeiferd
EcoModding Lurker
 
Join Date: Jul 2008
Location: Ohio
Posts: 28

Johnny's Metro - '93 Geo Metro 4-Door Hatchback
90 day: 47.5 mpg (US)

Jetta GLS TDI - '01 Volkswagon Jetta GLS
90 day: 45.83 mpg (US)
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Hmm... that sounds discouraging.

An A/C electric clutch on the alternator would solve the problem. There are several at the Century Trading Company salvage yard in my town. Basically a junk yard, for anything metallic. They charge around $0.30 a pound for anything in there, so I could get one incredibly cheap. I assume they just run on 12V to engage them. If I could find a way to mount it to the alternator, it'd be very similar to MetroMPG's unbelted alternator experiment, except I'd still have my belt on. I could use my toggle switch to engage/disengage the clutch then.

I'll probably play around with the alternator a little more first and see if I can figure out some electrical solutions before I go with an A/C clutch.
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