FWIW, I loved driving the +Tesla Motors Roadster
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ABG First Drive: Hitting the road in the Tesla Roadster!
Click on the Tesla Roadster for a high-res gallery var digg_url = 'http://digg.com/autos/AutoblogGreen_gets_the_first_drive_of_the_Tesla_Roadster'; Ever
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tps://plus.google.com/110107458243955110887″ class=”proflink” oid=”110107458243955110887″>Tesla Motors provides a public response to the battery killing controversy.
While Tesla is correct in saying that the vast majority of Roadster owners have had no problems with their batteries, they also acknowledge having made changes to the way the battery management works on the upcoming Model S to at least make the potential for issues far less likely.
That said, you still need to keep a Roadster plugged in when it’s not in use for any length of time. While EVs generally require less maintenance than internal combustion vehicles, Tesla does exaggerate that requirement. As an owner, you no longer have to worry about constant oil changes, exhaust checks, or spark plug replacements
I’ve owned many cars over the past 25 years and I wouldn’t call oil changes every 3-6 months constant. Similarly, modern engines (anything in the last 10-15 years) can usually go 100,000 miles without changing spark plugs. On the other hand, I don’t have to keep a gas pump hooked up to my car if I park it for 2 weeks or 2 years.
https://plus.google.com/114133424228405038490/posts/BBd7bMTRQsi
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New Tesla blog post: Plug It In http://www.teslamotors.com/blog/plug-it
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Plug It In | Blog | Tesla Motors
A single blogger is spreading a rumor about electric vehicles becoming inoperable. “Bricking” is an irrational fear based on limited information and a misunderstanding of Tesla’s battery system. Here …
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There are really two stories of varying importance behind the discussion in recent days of "bricking" Tesla Roadster batteries.
The whole brouhaha was instigated by what appears to be a customer that was understandably angry at having to pay $40,000 to replace a battery after parking his car for 6 weeks. When +Tesla Motors opted to open company-owned retail stores instead of franchised dealers http://aol.it/AeyDnI they were determined to handle customer relationships differently from other automakers.
Unfortunately for Max Drucker, it appears that Tesla still has a great deal to learn about dealing with customers and the media. Leaking emails between a customer and the company was totally the wrong thing to do on so many levels.
The more important part of this story however, is the fact that apparently the Roadster battery pack can be permanently disabled by leaving the car unplugged. When it comes to its battery design Tesla has followed a different path from other manufacturers. Tesla is unique in opting to use the same type of small 18650 type cells with metal oxide chemistry found in most laptop computer batteries. These cells have high energy capacity but they also have less thermal stability then the cell chemistry used by companies including Nissan, Ford, General Motors and Fisker. Only BMW, Daimler and later this year Toyota have released cars with this type of battery and those were mainly for test fleets.
Back in 2007, I was told by co-founder Martin Eberhard and former SVP Darryl Siry that in order to maximize the driving range, Tesla would use the full capacity of the cells. This approach leaves open the possibility of complete discharge. Again other automakers leave a buffer of unused capacity at the high and low range. This prevents complete depletion and also protects against overcharging both of which can damage cells.
Using a buffer cuts the potential range but also allows manufacturers to comfortably offer warranties of 8-10 years and 100,000-150,000 miles.
By all appearances, this is a technical issue that is unique to Tesla and perhaps its customers at Daimler and Toyota. It's not clear if the batteries supplied to Daimler for the Smart ED and to Toyota for the upcoming Rav4 EV use the same approach of utilizing the full capacity. The original MINI Es had batteries supplied by AC Propulsion and are now out of service and are being replaced by the ActiveE which uses a different type of battery supplied by SB LiMotive.
At the very least, Roadster owners (and potential customers of the upcoming Model S) need to be very careful with their batteries because this is a real issue for Tesla.
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Is Tesla 'Bricking' Story Just An Angry Owner's Warranty Claim?
And now perhaps it all becomes clear. The Tesla battery 'bricking' post that was today's electric-car news story and generated reams of coverage may simply be an attempt by an unhappy owner to get Tes…
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I was one of the first handful of journalists to get to drive the Roadster back in January 2008 http://green.autoblog.com/2008/01/28/abg-first-drive-hitting-the-road-in-the-tesla-roadster/
While the car was a blast to drive, it exhibited a number of flaws which in combination with the economic collapse later that year, no doubt caused to fall well short of its sales targets.
Tesla CEO Elon Musk has long had a contentious relationship with the media and it looks like he doesn't want to risk any bad reviews ahead of delivering cars to customers. Hopefully the Model S will live up to expectations, but I have a feeling a lot of people will be surprised at their actual out the door cost and range once they hit the streets.
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Tesla not to let journalists test Model S before start of deliveries
Tesla Motors held its fourth quarter and full-year financial results conference call, as well as an extensive Q&A session last night with investors and journalists – revealing an aspect of the Mod…
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