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Old 07-28-2008, 04:27 PM   #1 (permalink)
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Blackfly - '98 Geo Metro
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Last 3: 70.09 mpg (US)

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Video: prototype Ford F-150 plug-in hybrid - 41 mpg

According to ABG, the claim is 41 mpg over the first 30 miles, presumably while the vehicle is in "charge depletion" mode - ie. using up the energy from the grid. It's not clear if the mpg calculation includes electrical energy consumption.

- up to 15 miles EV mode range

- up to 41 mpg mixed speed driving for the first 30 miles/day

- up to 21 mpg in hybrid mode after the 30 mile all electric range



Aside from the motor hanging down low behind the diff (watch those parking berms!), the biggest drawback of course is the price. $60k per conversion (you supply the truck).

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Old 07-28-2008, 08:00 PM   #2 (permalink)
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Evil Pumpkin - '08 Scion xD RS 1.0 #1633
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The idea is pretty simple, now it seems like the electric motor is on a 1 to 1 ratio with the differential via drive shaft. Is that possible? or do you think there is gear reduction going on between the motor and the input shaft that connects to the pumpkin?

I'm sure utilizing current military style axles the same thing can be done with the electric motor tucked away in the bed instead of so close to the rear bumper. None the less Kudos for the effort and I hope they become a bit more affordable.
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Old 07-29-2008, 12:36 PM   #3 (permalink)
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
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Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 52.8 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)
Thanks: 3,234
Thanked 6,085 Times in 3,153 Posts
It's hard to say what they did with the diff gearing, but it's entirely possible to drive a RWD vehicle with a stock ratio given the right voltage/controller.

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Ecodriving test:
Manual vs. automatic transmission MPG showdown



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www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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