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Old 07-31-2008, 12:43 PM   #3 (permalink)
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,209

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

MPGiata - '90 Mazda Miata
90 day: 53.56 mpg (US)

Winter beater Metro - '00 Chevrolet Metro
90 day: 61.98 mpg (US)

Fancy Metro - '14 Mitsubishi Mirage top spec
90 day: 58.72 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)
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I think about this every time I have to press my brake pedal.

The challenge would be sizing the system electrically (and mechanically, as you point out with the belt concern) to be able to offer any meaningful braking resistance. I recently drove krousdb's Prius, and if I'm not mistaken, I was seeing 50-60 amps (@ 270+ volts) when using regen to its full extent. And that offered only "mild" deceleration.

I think the answer (to enable engine-off operation) might lie in tapping into the transaxle, perhaps via the 5th gear, as axmonster was considering using for EV assist:
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: Oops, I did it again! Bought another cheap, 3-cylinder Mirage. Mods in progress...
Ecodriving test: Manual vs. automatic transmission MPG showdown

has launched a forum for the efficient new Mitsubishi Mirage - fuel efficiency info for Geo Metro owners - electric car conversion on a beer budget
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