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PostPosted: Thu Jun 14, 2012 3:18 pm 
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Location: East S.F. Bay Area
Herm wrote:
GRA wrote:
Yeah, I know, I was more interested in whether the ICE can maintain freeway speed up the hill by itself (I'd think not), and if not, how far you could go in the respective modes before the battery power ran out and you were stuck in the truck lane getting your power from the ICE only.


I believe it can sustain 55 indefinitely.. that 80hp engine will suffer going up a mountain since its not turbocharged, add some headwind plus a heavy load and you have trouble. It should be easy to determine that steady speed by keeping an eye on the power flow status.

I'm just going to have to rent one, and drive it up to Tahoe or Yosemite to see. Probably Yosemite, as Tioga Pass tops out at 9,941 so I'd get the ultimate test (in California), from Oakdale at ca. 125'.

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PostPosted: Mon Jun 18, 2012 11:00 am 
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Delivery Date: 23 Jan 2012
The engine is about 75 horsepower. The electric motor is about 150 horsepower. So, at peak use, the engine can not provide necessary power for the 150 HP motor, and when this happens, it supplements the engine with the ~3kWh reserve power. When you run out of that, you will not be able to maintain highway speeds. The mountain mode is supposed to allow the Volt to drive to the highest peaks in the country and maintain speed, as long as it is activated in plenty of time to give it the extra 10% state of charge it needs.

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PostPosted: Tue Jun 19, 2012 10:22 am 
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Joined: Fri Apr 23, 2010 6:06 pm
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Location: Boca Raton FL
Delivery Date: 10 Dec 2011
Leaf Number: 5926
Any thoughts on whether the Volt power train would be adequate for a small CUV like the Equinox?

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PostPosted: Tue Jun 19, 2012 10:45 am 
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Location: Timbuktu, Mali
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depends on how much performance you want in that CUV.. better than a Volt or equivalent?


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PostPosted: Tue Jun 19, 2012 10:57 am 
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Location: Boca Raton FL
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Herm wrote:
depends on how much performance you want in that CUV.. better than a Volt or equivalent?


Maybe equivalent to the gas version. Or maybe just "good enough". Equinox 4 cylinder claims to be 182hp @ 6700rpm and 172ft-lbs @ 4900rpm.

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PostPosted: Tue Jun 19, 2012 1:23 pm 
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LTLFTcomposite wrote:
Any thoughts on whether the Volt power train would be adequate for a small CUV like the Equinox?

Taking a wild guess on what's likely to be in it, I would suspect the Cadillac ELR power train would fit a CUV better... But we'll have to see if they pony up the ELR compared to the Volt.


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PostPosted: Tue Jun 19, 2012 2:01 pm 
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Location: Timbuktu, Mali
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A CUV will have much higher drag than a Volt so you will need the V8 range extender GM is talking about for the new Volt/ELR :)

Seriously, that might be a good justification for the 2.0L Turbo that is rumored for the next Voltec upgrade.


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PostPosted: Wed Jun 20, 2012 10:48 am 
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50 Million EV miles (80 total) @ http://www.chevrolet.com/volt-electric-car/

Not bad for a "hybrid" :-)

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PostPosted: Wed Jun 20, 2012 5:16 pm 
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Joined: Mon Apr 23, 2012 6:25 am
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Location: St. Johns/Jacksonville
Herm wrote:
TomT wrote:
A question for the Voltafiles: Does the Volt have an indicator, as does the Leaf , that shows the deterioration of the battery pack capacity?


No it does not..
Well, not a meter, but you do get a readout of how much power was used on a trip. Most owners are right around 10.1 available. No one has reported a capacity loss on the forum. Obviously that's to be expected because of the TMS and GM's latest unconfirmed testing said packs up North could last 16 years IIRC.

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PostPosted: Wed Jun 20, 2012 5:39 pm 
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DANandNAN wrote:
Herm wrote:
TomT wrote:
A question for the Voltafiles: Does the Volt have an indicator, as does the Leaf , that shows the deterioration of the battery pack capacity?
No it does not..
Well, not a meter, but you do get a readout of how much power was used on a trip. Most owners are right around 10.1 available. No one has reported a capacity loss on the forum. Obviously that's to be expected because of the TMS and GM's latest unconfirmed testing said packs up North could last 16 years IIRC.
I've had my Volt for over 15 months and starting my 2nd summer with it. It was mid 90's today.

A couple days ago in the low 90's I got my best EV mileage at just over 52 miles. I've gotten a few updates over the last 15 months when I've done tire rotations and the battery tunnel enh. It almost seems like my EV mileage has gone up and certainly have not scene it decrease.

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