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Old 10-07-2008, 01:12 PM   #3 (permalink)
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,463

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

MPGiata - '90 Mazda Miata
90 day: 55.97 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
90 day: 61.17 mpg (US)
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Not crazy. Your understanding of the Volt's setup is right.

Two DIY examples of the same basic architecture:

1997 Chevy Cavalier EV with onboard range extending generator:
Alain St-Yves' 1997 Chevrolet Cavalier

2000 Mazda Miata EV / onboard biodiesel generator
Pat Beirne's 2000 Mazda Miata

The Miata's EV Album page is outdated. The EV systems were somewhat rebuilt and the genset added to the trunk about a year ago. More info on this car: Building the "Zero-Carbon Car" out of a Miata, incl. biodiesel hybrid drivetrain - AutoblogGreen

The only flaw in your plan is the engine size. If you deplete the battery pack and want to continue driving, you will need a generator with a lot more power than a scooter engine - you'll essentially need an engine with, at minimum, about 1/3 to half the power of the original gas engine.
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

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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