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Tesla engineers warn Model 3 batteries could catch fire

Posted on 1/27/18 at 7:43 pm
Posted by dewster
Chicago
Member since Aug 2006
26627 posts
Posted on 1/27/18 at 7:43 pm
quote:

Tesla engineers warn Model 3 batteries could catch fire

LINK

Yesterday CNBC reported that a number of current and former Tesla employees have confirmed that Model 3 productions problems are deeper and more persistent than has been previously reported or acknowledged by the company in its last earnings call. When in the past Tesla CEO Elon Musk has tried to minimize the depths of ‘production hell’ at the Gigafactory, he pointed to specific, limited issues like a last minute rewrite of battery software to explain hangups in production. Yesterday’s reports, however, identified more widespread problems, ranging from hand-assembled batteries to hiring temp workers with no automotive experience to perform quality control.

Responding to concerns about the company’s reliance on unqualified temps, a Tesla spokesperson wrote that “We’ve been able to teach new skills to thousands of new employees.” Tesla stock has dropped 5% since reaching its peak on January 23rd.

Most startling were the claims by two engineers that Model 3 lithium ion batteries were being assembled by hand so hastily—borrowed Panasonic employees were “slapping bandoliers together as fast as they possibly could”—sometimes without adequate gaps between the cells. If separate battery cells touched, the engineers warned, the battery could short-circuit or even catch fire.
Posted by Cosmo
glassman's guest house
Member since Oct 2003
132685 posts
Posted on 1/27/18 at 7:43 pm to
But Musk is god
Posted by jdeval1
Member since Dec 2009
7525 posts
Posted on 1/27/18 at 7:46 pm to
I drive about 15-20 miles per day. Gas is not an expense that I really even care about. I'll keep my truck.
Posted by johnnydrama
Possibly Trashy
Member since Feb 2010
9207 posts
Posted on 1/27/18 at 7:49 pm to
Other than the "catching fire" thing they're awesome cars.
Posted by LSURussian
Member since Feb 2005
135363 posts
Posted on 1/27/18 at 7:49 pm to
So, Musk has designed the world's first external combustion engine.
Posted by lsu480
Downtown Scottsdale
Member since Oct 2007
92903 posts
Posted on 1/27/18 at 7:54 pm to
Any battery ever made could catch fire
Posted by dewster
Chicago
Member since Aug 2006
26627 posts
Posted on 1/27/18 at 7:59 pm to
quote:

So, Musk has designed the world's first external combustion engine.



Look on the bright side. He hasn't built and delivered enough of them for this to be a serious threat to public safety.
This post was edited on 1/27/18 at 8:14 pm
Posted by mailman
Houston
Member since Jul 2009
6143 posts
Posted on 1/27/18 at 8:10 pm to
So the car works, just not enough experience workers
Posted by dewster
Chicago
Member since Aug 2006
26627 posts
Posted on 1/27/18 at 8:13 pm to
quote:

So the car works, just not enough experience workers



No, they still have production issues too. It just also catches on fire.
Posted by TheOcean
#honeyfriedchicken
Member since Aug 2004
46726 posts
Posted on 1/27/18 at 8:20 pm to
How many shite cars has Mercedes, BMW, Audi, Ford, Chrysler produced?
Posted by PaperPaintball92
Fly Navy
Member since Aug 2010
5330 posts
Posted on 1/27/18 at 8:22 pm to
When these car batteries catch fire they are almost impossible to extinguish. Sometime they can burn for several days.
Posted by Jim Rockford
Member since May 2011
106119 posts
Posted on 1/27/18 at 8:31 pm to
In other news, a Tesla on Autopilot runs into the back of a parked fire truck LINK
Posted by Capital Cajun
Over Yonder
Member since Aug 2007
5634 posts
Posted on 1/27/18 at 8:56 pm to
quote:

In other news, a Tesla on Autopilot runs into the back of a parked fire truck LINK


Same thing happened to a guy I know except it was a stopped construction vehicle.
Posted by Janky
Team Primo
Member since Jun 2011
35957 posts
Posted on 1/27/18 at 9:02 pm to
To be fair, not enough have been made to be able to determine if this is a chronic problem.
Posted by Obtuse1
Westside Bodymore Yo
Member since Sep 2016
31201 posts
Posted on 1/27/18 at 9:09 pm to
quote:

To be fair, not enough have been made to be able to determine if this is a chronic problem.


The article gives the impression the problems may be the assembly of the batteries from the cells. If it is the individual cells it will be a bigger issue. The Model 3 moves from the tried and true (you can find them everywhere) 18650 battery to the new 20700 series, therefore, it could be a fundamental problem with the cell especially the discharge rate.

What is "funny" about this is Tesla uses steel clad cells vs prismatic cells in part because they tend to be safer especially in high vibration environments.
Posted by castorinho
13623 posts
Member since Nov 2010
88346 posts
Posted on 1/27/18 at 9:12 pm to
This is dumb
Posted by starsandstripes
Georgia
Member since Nov 2017
11897 posts
Posted on 1/27/18 at 9:17 pm to
Another day, another reason to laugh at Tesla owners.
Posted by tigerinthebueche
Member since Oct 2010
38241 posts
Posted on 1/27/18 at 9:23 pm to
glad Obama gave this fricking tool subsidies. Think I’d rather pay for the Boomers than this fricking clown and all of his bullshite promises.
Posted by jdeval1
Member since Dec 2009
7525 posts
Posted on 1/27/18 at 9:27 pm to
quote:

In other news, a Tesla on Autopilot runs into the back of a parked fire truck

But we are all supposed to be excited about self driving cars? No thanks. I've never had an at fault accident in 27 years of driving. Jdeval1 > self driving cars
Posted by Clames
Member since Oct 2010
19990 posts
Posted on 1/27/18 at 9:41 pm to
Teslas seem to have a history of catching for various reasons. Kind of goes with the territory when using large electrical currents generated by chemical reaction involving highly refined and toxic metals.

These fires are bad when the energy density of these batteries is tiny compared to gasoline or diesel. They only get worse as that energy density improves.
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