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 > Tesla Semi truck unveil & test ride set for Oct 26th !

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thomasmnile

Lake Mary, FL

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Posted: 04/15/19 01:19pm Link  |  Quote  |  Print  |  Notify Moderator

Interesting Elon initially said there would be no lease option on the Model 3......until he now says there will be.

Turtle n Peeps

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Posted: 04/15/19 10:32pm Link  |  Quote  |  Print  |  Notify Moderator

thomasmnile wrote:

On the rocket ship front, appears SpaceX's heavy duty 'tow vehicle' apparently had a flawless flight, with landing of all three first stage boosters on land and sea. Saw the launch fine but too far from the coast to see/hear the stage landings at the Cape.


Nope, they can't even get that right.

They have to reuse the center core 6 times or it's not economically viable. They have failed twice now so they will have to get 13 right to start making money.

Thirteen launches is a looooong way off to start making money.

Another fail.


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Chainwright

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Posted: 04/16/19 12:40pm Link  |  Quote  |  Print  |  Notify Moderator

Well as history reveals, no one said it would be easy. It took Wilbur and orville Wright hundreds of manned glider attempts until that 12 second success story that cemented their legacy. So if it only takes Elon 13 attmpts, then I'd say that's greatness. Also he's worth 22 billion, I don't think he's worried about money just yet.

Turtle n Peeps

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Posted: 04/16/19 01:26pm Link  |  Quote  |  Print  |  Notify Moderator

A world of massive waste and chaos at Giga1 factory!!

Wow! Talk about bad! "A half a million batteries wasted a DAY!!


Saving the world with massive waste! Way the kill it Elon! No wonder you went on a Twitter rant this weekend! In all truthfulness I would have nutted up to dude!

I have BIG news but I can't talk about it right now. I will come out in less than a month!


BTW where is that Semi?? Where is it being built? Where is it being tested? Only 7 more months until they hit the road and start hauling beer! [emoticon]

wilber1

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Posted: 04/16/19 01:44pm Link  |  Quote  |  Print  |  Notify Moderator

That's cells according to the article. A 85KWH battery contains 7104 cells so 500,000 cells would add up to 70.3 batteries.


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mich800

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Posted: 04/16/19 02:41pm Link  |  Quote  |  Print  |  Notify Moderator

wilber1 wrote:

That's cells according to the article. A 85KWH battery contains 7104 cells so 500,000 cells would add up to 70.3 batteries.


That is still over 2,000 per month.

time2roll

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Posted: 04/16/19 02:41pm Link  |  Quote  |  Print  |  Notify Moderator

Turtle n Peeps wrote:

A world of massive waste and chaos at Giga1 factory!!

Wow! Talk about bad! "A half a million batteries wasted a DAY!!


Saving the world with massive waste! Way the kill it Elon! No wonder you went on a Twitter rant this weekend! In all truthfulness I would have nutted up to dude!
A day ago you criticize Elon for asking Panasonic to step it up and be more productive.

Now suddenly it is also Elon's fault there is so much waste in the Panasonic production of batteries.

Is this another attack on that sensitive Japanese Honor you speak of? Dude you are talking out of both sides of your mouth.

I suppose just a few months ago your story was Tesla going out of business for too many employees followed up with Tesla is going BK because he is letting some employees go.

All very comical really. Anyone still have popcorn?


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Turtle n Peeps

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Posted: 04/16/19 03:01pm Link  |  Quote  |  Print  |  Notify Moderator

More people leaving the sinking ship of Tesla.

Pedro Padillo- Director of M3 Manufacturing.

Karl Wagner: SR Director of Security.

Nick Gicinot: SR Manager of Security. (3 in one day) Egads!!

Akatbba Elliot: Head of HR.



Ben: Do you see a trend from the above? Remember what you talked about and the liability it carries?

wilber1

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Posted: 04/16/19 03:58pm Link  |  Quote  |  Print  |  Notify Moderator

mich800 wrote:

wilber1 wrote:

That's cells according to the article. A 85KWH battery contains 7104 cells so 500,000 cells would add up to 70.3 batteries.


That is still over 2,000 per month.


It’s a 14% reject rate. I don’t know if that is high for Li cells, do you?

BenK

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Posted: 04/16/19 04:00pm Link  |  Quote  |  Print  |  Notify Moderator

Expand your vision and look at the big picture......

Panasonic is world class and had their equipment and people during the initial phase. Their process, as well as the rest of the industry’s, are very mature.

The ‘magic’ is more to do with the non standard sizing and the final packaging outside of the Panasonic cell. There is a very nifty control chip on top of each battery, but most of the other providers also have their own proprietary control chip. Haven’t looked in a while, but there used to be two types of the exact same cell...one plain with no chip and with a chip you could buy. Think you can only buy them with a chip, unless our are an OEM that will provide a chip in your own packaging

Tusk wanted his input and changed lots and lots...that created many issues that Tusk blamed on Panasonic.

Panasonic came back with more of their people and took over...for a while

Then they turned it back to Tusk and it has been under Tusk’s management since. Heard lots of the Panasonic folks quit

QA/QC team from Fremont had checked out the new Tusk process and their report ignored

Personally, am worried that there will be more mystery battery fires. Not associated with any accidents, but from the impurities and improper handling of the ‘clean’ room manufacturing facility/process. All it takes is a tiny bit inside the one cell to short and then it becomes a cascading failure taking out the next...then the next...

Cells get hot during high discharge and high charge. Worse during high charge rates when the cooling system may not be on. The controller is supposed to monitor, but am wondering how ‘real time’ their OS is to wake it up to a run away situation

Tusk has driven away most all of his senior and knowledge base employees...just junior folks with little to no knowledge base from the industry and Tesla processes (which is in a constant flux due to Tusk’s micromanagement style)

Tusk is a billionaire, but most of that is held in Tesla Stock. He is still rich from his PayPal/etc buyouts but only in the hundreds of millions...he did buyout Solar City and am assuming there was a cash portion. Of which he and his cousin/buddies kept separate (not reinvested into Tesla)

Tusk/SpaceX does have some HUGE contracts, but they have more experienced and savvy customers...vs...civilian customers for his cars. His smoking pot publicly on a national talk show may seem like nothing in a civilian market these days, but for military/black-badge/corporate...they and the SEC used to take a very dim view of that sort of thing

Did not know the magnitude of his battery rejects (“his” no matter who he blames), which is considered hazmat. So am wondering how he is managing that? Guess that is why latest news talks about his wonderful new recycling process at Giga1

Am seeing more insider interviews for all of Tusk’s corporations. Guessing they are tired of his micromanagement style and blaming anyone...everyone that does not have a Musk name tag...

Didn’t read this morning’s. Tesla stuff. It in most of my news feeds daily, but today had several on his Semi...just looked at the pictures and there was one showing a Tesla Semi face to face with a MB Semi (think MB, but just skimming it early this am)

Now on the Semi and the battery system...with the above potential battery cell impurities being reported, this would be even more serious, as with a duty cycle of 100% and higher during spurts to do whatever & the mega, mega, mega charger...will exacerbate that failure mode just waiting to happen....but that fire may burn for days and days...and if the battery packs get hot enough...an explosion potential




{edit}.... a 14% reject rate is HUGE

A mature commodity product like Lith-Ion batteries should be in the <1% range

Much higher than 1% will have the margins drop like a rock


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