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Old 11-27-2007, 03:05 PM   #420 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,534

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

MPGiata - '90 Mazda Miata
90 day: 54.46 mpg (US)

Appliance car Mirage - '14 Mitsubishi Mirage ES (base)
90 day: 57.73 mpg (US)
Thanks: 4,082
Thanked 6,979 Times in 3,614 Posts
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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Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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