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Old 10-21-2010, 02:09 PM   #131 (permalink)
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Yes, despite what GM insisted for years, the Volt is (obviously) a plug-in hybrid; not an EV.

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Old 10-21-2010, 02:12 PM   #132 (permalink)
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...wait, I thought electric cars don't idle.
The WORLD is laughing... at us.
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Old 10-21-2010, 05:26 PM   #133 (permalink)
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I'm surprised it idles, didn't Chevy say that it can't charge the battery from the ICE? Especially since it sounds like it was running to generate electricity instead of a normal <1000rpm idle.
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Old 10-21-2010, 06:04 PM   #134 (permalink)
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I agree, I put the winky face in there for a reason. In fact, GM agrees it's a hybrid but the only reason why they don't want people to hear it as being called a hybrid is that people won't think of the electric range and think directly towards the Prius model, which is a different setup. ...not sure why GM didn't go with the PHEV name and explain that instead though but it's GM. I can't blame them from trying though.

In fact, watch this video, GM says "We want to make sure that people don't just lump us in the 'oh, it's juts another hybrid', it's an electric vehicle for 25-50 miles and then it has a range extender, that's why we have continued to try to figure out how to tell our story"
Audience member "That's a variation on series hybrid, in a sense"
GM, "yes"

The video also discussing the EPA sticker which the EPA is still deciding on how to describe it. Apparently they are actually going to try to pin a number on the electric range and then at the total range.
Discussion went on about the different between the smaller LG Chem cells that Hyundai is using with more focus on power density versus Volt's larger cells focused on energy density.


As far as gas mileage goes, it appears that it may be either 9 gallons or 9.6 based on either the previous video or this one. 350 miles-40 electric= 310/9=34 mpg I'm curious what the EPA numbers will be and how someone would hypermile the extended range other than driving slower and timing lights. It seems that you would already hopefully have driving with load down under computer control and I don't think someone could manually pulse and glide other than release the accel pedal and coast often. Needs a smaller engine for us IMHO. I had a daydream of this drivetrain in a 1st Gen Insight with the 1 liter engine lean-burn engine attached pulling max lean-burn under extended range mode at optimum engine speed to allow the proper power to efficiently load the engine. The 430 pound battery wouldn't fit but then again it wouldn't need nearly as much battery for the same performance in either range or power.
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Old 10-21-2010, 06:12 PM   #135 (permalink)
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Quote:
Originally Posted by NeilBlanchard View Post
Yes, despite what GM insisted for years, the Volt is (obviously) a plug-in hybrid; not an EV.
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Originally Posted by tumnasgt View Post
I'm surprised it idles, didn't Chevy say that it can't charge the battery from the ICE? Especially since it sounds like it was running to generate electricity instead of a normal <1000rpm idle.
Within its charge-depletion mode it will not run the engine. ...if you get to the buffer point it will while you are driving. The reason why it is idling while it is stopped is because the mountain mode essentially raises the buffer point so there is more in the battery to climb Pike's peak, or whatever high elevation rise you are trying to encounter. So it generally maintains the same state of charge, roughly, rather than charging it beyond that point. Change the state of charge it is aiming for and it will charge to that point. On one of these videos one of the GM folks said that if you engage mountain mode before it reaches that point than it will not need to charge up to that point and leave more EV range available but it won't start using the engine until it gets to that slightly higher point.
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Old 10-21-2010, 07:08 PM   #136 (permalink)
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Quote:
Originally Posted by tumnasgt View Post
I'm surprised it idles, didn't Chevy say that it can't charge the battery from the ICE? Especially since it sounds like it was running to generate electricity instead of a normal <1000rpm idle.
See 'mountain mode' in #128 for an explanation.
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Old 10-21-2010, 07:09 PM   #137 (permalink)
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Quite frankly, a lot of the time the simple solution to a problem is the best. IMO the Volt is one of these cases.

I fail to see how the crazily complex Volt system can be more efficient than a fixed output generator that charges the battery while the battery powers the drive motor.
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Old 10-21-2010, 09:22 PM   #138 (permalink)
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...ANSWER: 'cause there's no fun in simple 'hand-waving' without some GM, hocus-pocus, 'smoke-and-mirrors' too.
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Old 10-21-2010, 09:28 PM   #139 (permalink)
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^That's not the answer and you know it.

It does seem clear to me that they did these "shenanigans" in order for Volt to not be lumped in with existing hybrid modus operandi. It is true that when dealing with the public, those in their position have to cater to the lowest common denominator.
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Old 10-22-2010, 04:12 AM   #140 (permalink)
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I would like to see the second or third generation volt. All the early adopters are going to be beta testing the car for GM.

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