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Old 11-27-2007, 02:05 PM   #420 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 21,049

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 54.01 mpg (US)

Winter beater Metro - '00 Chevrolet Metro
90 day: 73.57 mpg (US)
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Ben: Should I ask for range/speed predictions?

We've already got a pretty good idea: around 20 km of around-town (side streets) driving; top speed is around 60 km/h with a lo-o-o-o-ong runway. This is on the Cursit controller. We can get faster if we get a better controller or install a bypass circuit for turbo boost.

The batteries are tired though. The voltage sags pretty low under even light-modest loads. I've read it's best to try to keep the batts above 5.75v (individually) under load, and definitely go no lower than 5.5v. I can't accelerate at "normal" traffic rates and keep the voltage above 5.75, even on a fresh charge.

Quote:
Even on the new batteries you got from that pick up truck fella?
Ben: yup, that's on our "good" batteries. Keep in mind he had already used them daily for 2 [edit - actually 3] years, and was essentially ready to recycle them.
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www.MetroMPG.com - fuel efficiency info for Geo Metro owners
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