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Discussion in 'News' started by PaulM, May 27, 2009.
Shall we count the errors:
CanadianDriver » Industry Issues » Auto Tech: Tesla Motors
Which errors are you referring to? I read the article and found it to be relatively well written, balanced and fair.
I though the $140k CAD pricing was incorrect, but it appears to be right according to the Tesla website.
I found two:
It can't "be fully charged in as little as 3.5 hours by plugging it in to a standard 110-volt outlet." (to be fair might be Tesla's advertising causing the confusion)
The Model S isn't $50,000 USD (again it might be Tesla's fault).
"The only drawback for Canada is that the battery will operate normally only down to minus 17C and can be charged in ambient temperatures above 0C. This could limit winter driving in some areas of the country."
This is the first time I've seen anything mentioned about cold climates and the car. Can anyone comment on this?
I would think the car would still function in cold temperatures (less than -17C) perhaps with a much lower range?
And is the roadster really unable to be re-charged when the temperature is below 0C?
edit: perhaps if I want a model S in the future I'll have to insulate and heat my garage a wee bit??
The $50,000 is definitely Tesla's fault. While Elon was on David Letterman, he said $50,000 and on the Model S page it says $50,000 (at least there is fine print there to say that it includes a 7500$ rebate)...
Yep, you're right about the 3.5 hr charge from a 110V outlet. I missed that. On the whole though, I thought Jim Kerr did a pretty good job on the write-up.
mnx, I'm in K-W.
From the Tesla blogs...
"As well as controlling ESS temperature during any driving, we also need to keep its temperature within limits whilst charging. The ESS can safely drive the car at ambient temperatures down to -20°C (-4F°). However, charging must only take place at temperatures above 0°C (32°F). For this, we provide a heater within the ESS coolant circuit. This will only ever operate when the car is plugged in for charging."
The Tesla blogs are a great source of info.
Tesla Motors - Engineering
Thanks for the link, very informative. From the editors comments on the blog link, it looks like the car will not operate if the battery temp is below -20C. I guess that rules out longer trips on very cold days (where the ESS temp could drop below -20C). I guess it's not that big a deal as the average min temperature around here for any given month doesn't drop below -9C. (Statistics: Hamilton Airport, ON, Canada - The Weather Network)
You mean this comment:
On longer trips you should just plug it in when you leave the car standing for longer durations.
While driving, the battery won't ever get below zero. Not on Earth at least, maybe Moon.
That is what I was curious about, if that's the case then it's really not a problem at all.
Perhaps I was a little harsh when I said "shall we count the errors" It's just that I'm tired of seeing article after article stating that the Tesla can be fully charged in 3.5 hours on a standard 110v circuit. This is spreading disinformation and considering how the rest of the article seems on average well researched, how can the author get this import fact wrong. As for using the Roadster in cold weather, although possible, I think this would not be advisable. How many super car owners take their cars out to play in the snow anyway. (other than Porsche maybe) If you read Cottonwood's story about his interesting road trip, you'll see why this isn't an ideal winter car.
I totally hear you, I was thinking several years ahead about the possibility of a model S. (assuming the battery tech is mostly the same).