> From: George Tyler
>
> I used to design electronics for
> military, (submarines) you can make MTBF say whatever you want!
Yea, so true. The Navy got so frustrated that they abandoned static analysis
for real-time testing.
I worked on linear beam forming for subs. We used card-edge scan test
fo.cgi/ev-evdl.org
> Please discuss EV drag racing at NEDRA (
> http://groups.yahoo.com/group/NEDRA)
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On 09/09/2018 08:04 PM, mark hanson via EV wrote:
Hi Willie etc,
It's hard to find actual published Tesla battery failure numbers since Tesla
sends internal field service guys "Tesla Rangers" out to your house to
replace any bad cells that the car radios help for. When I was at a EV race
not even know I had a battery problem but Tesla was
eager to make it right. Nissan refuses to replace obviously bad batteries.
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From a Electrical engineering perspective, the mean time between
failures of 6800 cells is terrible but you can lose a lot and still have
a functioning car, so I recon he is probably right, but it depends of
the MTBF of the 2 types of cells too. I used to design electronics for
military, (subma
http://electric-vehicle-discussion-list.413529.n4.nabble.com/EVLN-adorable-80kWh-MM1-3seat-super-Mikro-EV-ie-0-60-4s-r-300mi-tp4691110.html
EVLN: adorable 80kWh MM1 3seat super(Mikro)EV.ie 0-60:4s r:300mi
Mikro MM1 Mini Electric Car Looks Like a Toy... But It Isn't
September 9th, 2018 - What the
https://www.financialexpress.com/auto/bike-news/emflux-two-electric-motorcycle-indian-e-bike-at-about-rs-5-lakh-as-quick-as-a-ferrari/1302297/
Emflux Two electric motorcycle: Indian E-bike at about Rs 5 lakh as quick as
a Ferrari!
September 4, 2018 Pradeep Shah
[image
https://images.financial
https://technabob.com/blog/2018/09/09/mikro-mm1-mini-electric-car/
Mikro MM1 Mini Electric Car Looks Like a Toy… But It Isn’t
September 9th, 2018 Conner Flynn
[images
https://technabob.com/blog/wp-content/uploads/2018/09/mikro_1.jpg
https://technabob.com/blog/wp-content/uploads/2018/09/mikro
https://www.cnbc.com/2018/09/06/tesla-cto-jb-straubel-redwood-materials-recycling-expands-nevada.html
Tesla CTO JB Straubel has a stealthy recycling start-up and it's expanding
into Nevada
6 Sept 2018 Lora Kolodny
[image
https://fm.cnbc.com/applications/cnbc.com/resources/img/editorial/2018/0
cells (they have not been charged for at least two years)
> The cells were put into service in 2011 and have ~3 miles on them. I
> estimate ~500-600 partial charge/discharge cycles.
> www.justanotherevconversion.blogspot.com
>
> Thanks,
>
> Barry
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Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
on any single battery failure is then only 3% of
> > the
> > impact of a cell problem on a car with larger format cells.
> >
> >
> >
> > I'd take the multiple redundancy of the Tesla any day.
> >
> >
> >
> > Bob
> >
> >
> >
> >
> >
Oh yea, his premise is wrong as well. A large format cell is made up of many
smaller cells in parallel. I opened a 100 Ah cell and it had 10 - 10Ah cells
paralleled inside with no fuse between them: so if you loose one you loose them
all.
Sent from my iPad
> On Sep 9, 2018, at 6:24 AM, Willie
> From: Jukka J?rvinen
>
> The main question is when will the problems be there? After 200.000 or
> 500.000 miles?... we have just now
> mastered the solid state electrolyte and synthetic Graphene production. I
> see now 500Wh/kg, >15 year lifetime
I see someone arguing both sides of a fallacio
I know Tesla had problems with there gear box early on but I have heard of no
battery issues. And since when is a bolt a lot less than a Tesla? My Tesla was
41000 that’s right in there with a bolt aren’t they ~37000?
Sent from my iPhone
> On Sep 8, 2018, at 9:38 PM, Peri Hartman via EV wrote:
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On 09/08/2018 09:38 PM, Peri Hartman via EV wrote:
Well, does anyone have actual numbers regarding failures of Teslas?
Overall, they've been out long enough that "we" should know if there are
reliability problems or not. On my part, I have not heard of any
widespread Tesla failure. What reli
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