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post #1 of 28 Old 12-22-2007, 05:59 PM Thread Starter
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Chevy Volt

Ok I had a though on the VOLT or Volt like cars.

Since it runs only on the electric motor is there any reason it has to be FWD to be more effecient?
Could we see this system on a RWD plaform?

I don't see why it would matter whether its FWD or not.

Lets say they do make a RWD version.
Do you think we could improve performance?
If we could tune it to raise the max touque it seems like we could make it faster, but lower the miles running on battery only.
You could drive it to the track run some fast runs and drive it home on gas.

can't electric motors achive max touque from the start?

I would be very intrested in a RWD Volt like car

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post #2 of 28 Old 12-22-2007, 06:03 PM
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Very good point!

I don't think it makes a difference one way other the other if it's FWD or RWD, since it's electric.

I would too be more interested in it if it was RWD.

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post #3 of 28 Old 12-22-2007, 07:15 PM
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Typically, (simply put) FWD is more efficient because the energy doesn't have to travel as far.
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post #4 of 28 Old 12-22-2007, 07:22 PM
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When I read GM's plans for it..I believe they were planning on it being RWD.

Donuts in an electric car = win.

And dev, what if they have the batteries under the trunk..with the elecric motor(s) driving the rear wheels right there..wouldn't that be more efficient?

And aye, electric motors have the huge benefit of having 100% torque right from the get-go.



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post #5 of 28 Old 12-22-2007, 07:38 PM
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Might Volt like cars be AWD? A motor at each wheel.

Electric cars could be made super fast when the battery technology shrinks the weight down.
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post #6 of 28 Old 12-22-2007, 07:48 PM Thread Starter
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Quote:
Originally Posted by Devryn View Post
Typically, (simply put) FWD is more efficient because the energy doesn't have to travel as far.
It all depends on where the motor is though right? porche would be opposite of a typical car right? A rear engine front drive car would have the same problem as a front engine rear drive car right?

The electric motor should be easier to do a in the rear than a gas engine. You can just put the batteries and generator in the front instead of the motor.

The Volt is not like others that use the engine to drive the car. The egine only charges the batteries.

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post #7 of 28 Old 12-22-2007, 07:51 PM Thread Starter
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Quote:
Originally Posted by USA1Camaro View Post
Might Volt like cars be AWD? A motor at each wheel.

Electric cars could be made super fast when the battery technology shrinks the weight down.
Hmmm. I wonder if AWD could be as efficient as 2wd?
I think maybe the motors might weigh if it had to have 4 though, I don't know??

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post #8 of 28 Old 12-22-2007, 07:52 PM
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Right. The closer the engine is to the output of it's energy, the less energy will be lost in the transfer. Rear engine RWD cars and Front Engine FWD cars have more efficiency, in theory, than Rear Front or Front Rear would have. You lose energy for every ounce of a driveshaft that the energy has to travel on.
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post #9 of 28 Old 12-22-2007, 07:54 PM
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Originally Posted by brandonppr View Post
Hmmm. I wonder if AWD could be as efficient as 2wd?
I think maybe the motors might weigh if it had to have 4 though, I don't know??
IIRC Chevy had a concept S10 (not one that appeared at auto shows, just a test model) that was powered by electric motors that were actually in the wheels. I THINK it was 2WD/RWD, but it may have been AWD. Mitsubishi had a concept eclipse that had two wheels driven by electric motors and two wheels driven by a combustion engine.
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post #10 of 28 Old 12-22-2007, 09:22 PM
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I've seen a 2nd gen electric S-10 driving around here (pre-98 model).

Electric cars have the electric motors right next to the wheels..if not just one massive one inbetween both wheels.



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