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 > How to start a Tesla at -34C

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noteven

Turtle Island

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Posted: 11/15/20 05:55am Link  |  Quote  |  Print  |  Notify Moderator

Tesla cold start

Bumpyroad

Virginia

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Posted: 11/15/20 07:11am Link  |  Quote  |  Print  |  Notify Moderator

I see that warm up test was done with the vehicle plugged in. what does this do with range when you run the batteries down and are not plugged in?.
bumpy





mikim

Rancho Cucamonga, CA USA

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Posted: 11/15/20 07:27am Link  |  Quote  |  Print  |  Notify Moderator

Wife and I own both a model S & Model X. I take the S skiing to local mountains and once a year to Lake Tahoe. The cold really sucks down the battery. Maybe a 50% loss of range? At minus 34c that must really lose power.

Still, great cars!!





time2roll

Southern California

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Posted: 11/15/20 10:39am Link  |  Quote  |  Print  |  Notify Moderator

Bumpyroad wrote:

I see that warm up test was done with the vehicle plugged in. what does this do with range when you run the batteries down and are not plugged in?.
bumpy
Video said the M3 warmed up in 4 minutes. Not going to lose more than a couple miles during this process.
Of course range is probably cut in half at this temperature if you let the battery cold soak. Car will keep the battery warm to reduce range loss if plugged in.

And of course if you have an enclosed garage attached to your house the EV can preheat inside the closed garage.


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stickdog

Somewhere, USA

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Posted: 11/15/20 11:58am Link  |  Quote  |  Print  |  Notify Moderator

No reason for me to be any place that is -34.


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colliehauler

Mc Pherson KS USA

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Posted: 11/15/20 12:17pm Link  |  Quote  |  Print  |  Notify Moderator

stickdog wrote:

No reason for me to be any place that is -34.
Got my vote. The only trip I would be making is to warmer weather.

Bumpyroad

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Posted: 11/15/20 04:14pm Link  |  Quote  |  Print  |  Notify Moderator

reminds me of my Dad telling us about having to drain the oil out of the vehicles at night so they could pour them back in in to start in the morning. of course that was at Thief River Falls. [emoticon]

checked and the lowest wind chill was at Thief river falls at -54, with International falls setting the record at - 40 F. (Not windchill)
weather only fit for rutabega farmers. [emoticon]
bumpy

* This post was edited 11/15/20 04:29pm by Bumpyroad *

free radical

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Posted: 11/15/20 05:04pm Link  |  Quote  |  Print  |  Notify Moderator

Bumpyroad wrote:

reminds me of my Dad telling us about having to drain the oil out of the vehicles at night so they could pour them back in in to start in the morning. of course that was at Thief River Falls. [emoticon]

checked and the lowest wind chill was at Thief river falls at -54, with International falls setting the record at - 40 F. (Not windchill)
weather only fit for rutabega farmers. [emoticon]
bumpy

Good thing someone invented synthetic oil.

Long time ago bush pilots up north used to drain oil and heat it over fire before puring it back in the engine.
Lots o fun flying in those early days

Reisender

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Posted: 11/15/20 07:35pm Link  |  Quote  |  Print  |  Notify Moderator

Yepir. We live in Canada but where we live minus 20 is as cold as it gets. This is the first year the car has seen snow but we had some minus 17 temps last march when we got it. We don't set it to 20 though. Way too hot when all dressed up in winter clothes. 17 is nice with the heated seats. If the car is cold soaked we count on a 20 to 30 percent range loss at minus 20. If its been in the garage overnight maybe 10 or 15 percent. We love being able to pre-heat or pre-cool it from the app.

At minus 15 it gets to 18 degrees inside in like three minutes. Best winter car we have ever had and all wheel drive to boot.

All temperatures celcius of course.


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Groover

Pulaski, TN

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Posted: 11/16/20 05:46am Link  |  Quote  |  Print  |  Notify Moderator

Bumpyroad wrote:

I see that warm up test was done with the vehicle plugged in. what does this do with range when you run the batteries down and are not plugged in?.
bumpy


A large number of ICE engines would have the range reduced to zero at that temp because they won't start if they haven't been plugged in.

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