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Old 12-16-2011, 10:12 PM   #323
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Chrysler? Really?...

In before the lock..
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Old 12-17-2011, 05:14 AM   #324
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What About Auto Disconnect?

Quote:
Originally Posted by RedneckExpress View Post
FACT: With all Hybrid Vehicles, EMT services will take longer to pull you from your vehicle ...
According to this article about the Volt, the power systems disconnect in the event of collision. Is this just a case of EMT's not yet being up to speed?
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Old 12-17-2011, 10:16 AM   #325
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I question whether it's a "success". It was originally proposed as a purely electric vehicle. At the 11th hour, GM descided it made more sense as a hybrid and stuck an engine in it. Now they're buying them back because the vehicles are catching fire.

That's not my idea of a successful vehicle. The Vega was more successful.
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Old 12-17-2011, 12:41 PM   #326
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Old 12-17-2011, 10:20 PM   #327
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Quote:
Originally Posted by frankdamp View Post
I question whether it's a "success". It was originally proposed as a purely electric vehicle. At the 11th hour, GM descided it made more sense as a hybrid and stuck an engine in it. Now they're buying them back because the vehicles are catching fire.

That's not my idea of a successful vehicle. The Vega was more successful.
Where did you get your information? I've been following the Volt since 2007 and it has always had an onboard generator to drive the motor when the battery is drained. ... at least for the the time that I've been watching it. Anything before that would be during the proto-typing phase and change should be expected.

I think the Volt is a solid idea. Even when it switches to generator power. A generator only has to run at a set speed (rpm). This means this engine can be tuned to run at peak efficiency at that RPM. Traditional engines have to run in a range of RPMs and are only efficient (tuned) at a specifc RPM. The rest of the time they are running at less than optimal efficiency.

The "Fuel(gas)-Over-Electric" concept has been around for a while (Diesel-Electric trains). The concept is sound. I'm just suprised it hasn't been done before now.

About the only thing I see as being "Unsuccesful" about the Volt is that it's to dadgum expensive. If GM can get the price down, it' will be a viable option for most drivers.
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Old 12-21-2011, 11:07 PM   #328
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I went to the Volt homepage to read the specs, there aren't any. Nothing about the engine, nothing about the battery, nothing about the transmission if one exists, nothing about the drive train. Is it air conditioned? What is the engines voltage? What is the engines efficiency?

What is happening now is that the Volt and Leaf are tanking in sales. They can't compete with the new hybrids. It's hard to sell a vehicle when you also have a buy back program. And like I thought a proposed fix for the volt involves the case for the cells. Lithium batteries produce heat when discharged and charged, always have always will. This creates a major design problem.
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Old 12-22-2011, 09:57 AM   #329
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Quote:
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Lithium batteries produce heat when discharged and charged, always have always will.
Not just Lithium...

ALL batteries produce heat when they charge or discharge due to internal resistance..
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Old 12-22-2011, 10:23 AM   #330
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Actually, Lithium batteries produce far less heat during charging or discharging than lead-acid (and way less than an internal combustion engine. Lead-acid batteries are around 90% efficient in the charge-discharge cycle so 10% is heat, while Lithium is, I believe closer to 99% (forgot the exact number but it's much beter than Lead-acid). And of course internal combustion engines waste more than 50% as heat.
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Old 12-22-2011, 10:55 AM   #331
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That is true but lithium is also very reactive, chemically. Combine the two and now you safety concerns.
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Old 12-22-2011, 11:03 AM   #332
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Quote:
Originally Posted by Forest Grump View Post
I went to the Volt homepage to read the specs, there aren't any. Nothing about the engine, nothing about the battery, nothing about the transmission if one exists, nothing about the drive train. Is it air conditioned? What is the engines voltage? What is the engines efficiency?
Really??? When I go to the Volt site I see a link that says Volt FAQs over on the far right side of the page. I also see a link at the top that reads Features & Specs. I could go on and on with a dozen links from those pages but I think you are smart enough to find them on your own...

Oh... You may also want to check out YouTube ... there are lots of videos there too.
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Old 12-22-2011, 04:09 PM   #333
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You're concerned that Lithium compounds in batteries are chemically reactive? How do you feel about the sulfuric acid and Hydrogen gas associated with lead acid batteries, and the volatile gasoline we so take for granted? Doesn't your gas tank contain the equivalent of a couple hundred "Molotov cocktails"?

Isn't it a little like having safety concerns about Poodles but unconcerned about a Grizzly Bear?

I just can't escape the feeling that there are a bunch of people who have their hearts so set on hating GM, in general, and the Volt in particular, that they will grasp at any straw.
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Old 12-22-2011, 04:37 PM   #334
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I think it's a neat little car but I think the estimated cost to the taxpayer of $ 250,000 each is way
UNDER estimated.
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Old 12-22-2011, 04:43 PM   #335
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Quote:
Originally Posted by MonacoMama
Really??? When I go to the Volt site I see a link that says Volt FAQs over on the far right side of the page. I also see a link at the top that reads Features & Specs. I could go on and on with a dozen links from those pages but I think you are smart enough to find them on your own...

Oh... You may also want to check out YouTube ... there are lots of videos there too.
Wow, you are really upset. Compare the spec sheet for any other car to the volts spec sheet. FAQ - who cares. U Tube really?

What and where are its specifications? What is the battery voltage? What is the specific battery technology? What is the cars weight and the battery weight? What are the tire sizes? What are the charging sytem specs and what exactly is it? What kind of tranny? It has features and spec and a FAQ sections but they say nothing.

Sounds like you bought one of these.

Check the specs for your motorhome, it's all there.
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Old 12-22-2011, 05:03 PM   #336
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Quote:
Originally Posted by jspande
You're concerned that Lithium compounds in batteries are chemically reactive? How do you feel about the sulfuric acid and Hydrogen gas associated with lead acid batteries, and the volatile gasoline we so take for granted? Doesn't your gas tank contain the equivalent of a couple hundred "Molotov cocktails"?

Isn't it a little like having safety concerns about Poodles but unconcerned about a Grizzly Bear?

I just can't escape the feeling that there are a bunch of people who have their hearts so set on hating GM, in general, and the Volt in particular, that they will grasp at any straw.
We know how to work with gasoline, hydrogen and sulfuric acid but the information on lithium as it is used in batteries is still an issue to be resolved.

Lithium is a very reactive metal. It has certain properties not found with the materials you list above. Sure gasoline is explosive under suitable conditions. Sulfuric acid is corrosive and hydrogen gas is also explosive but the little old hydrogen ion is a nobody. The problem with many of the new battery storage technologies is with the highly reactive nature of the metal such as lithium. Take some lithium, shred it and add it to some water. There are ways to stabilize lithium but so far these are expensive, very expensive. Lithium really does make a great battery but there are some really big potential problems not resolved yet. GM estimates their proposed fix for the volt battery to be about $1000 / unit.

All I am saying is more work needs to be done before it is consumer ready.
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