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    Last edited by Sugarphreak; 08-18-2019 at 04:17 PM.

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    Quote Originally Posted by Sugarphreak View Post
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    Like a brush-less DC motor where operation can be finely controlled

    I think Tesla was using AC induction (Nicola Tesla was all about AC, so I suppose that makes sense)... but I think they quietly switched to DC on the model 3. Every other manufacturer has pretty much gone the DC route.

    Surprisingly there is a blog on Tesla's site that goes into a lot more detail without being heavily biased
    https://www.tesla.com/en_CA/blog/ind...rs?redirect=no

    EDIT: Yeah, Tesla switched over to digital motors for the model 3 after all
    https://www.edmunds.com/car-news/aut...or-design.html
    I believe this is how most pumps in commercial/industrial buildings are controlled too, only they are called variable frequency drives (or VFDs).

    Basic principle: rapidly changing the voltage/frequency of DC in such a way to imitate the sinusoidal pattern you'd see in AC.
    Last edited by themack89; 06-09-2019 at 10:26 AM.
    On Sabbatical

  3. #2483
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    Quote Originally Posted by Sugarphreak View Post
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    Like a brush-less DC motor where operation can be finely controlled

    I think Tesla was using AC induction (Nicola Tesla was all about AC, so I suppose that makes sense)... but I think they quietly switched to DC on the model 3. Every other manufacturer has pretty much gone the DC route.

    Surprisingly there is a blog on Tesla's site that goes into a lot more detail without being heavily biased
    https://www.tesla.com/en_CA/blog/ind...rs?redirect=no

    EDIT: Yeah, Tesla switched over to digital motors for the model 3 after all
    https://www.edmunds.com/car-news/aut...or-design.html

    Model 3 and the next gen S/X are all getting PM motor in the rear. It's lighter so more range yielded as a result. It also serve as heat source for battery in winter, reducing need for a separate battery warmer.

    Performance/AWD models will still get AC motor up front.

    EE has a good explanation of both motor's characteristics:


    Base on this, I would assume any trucks Tesla make will be based on AC motors both for instant torque and Chinese rare metal export ban currently in place making it expensive for Tesla to build PM motors.

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    Tesla already upgraded the S/X with new permanent magnetic motors up front last month. Range extended, and 1/4 mile times for the S dropped to low 10s.
    Originally posted by SEANBANERJEE
    I have gone above and beyond what I should rightfully have to do to protect my good name

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    Quote Originally Posted by rage2 View Post
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    Tesla already upgraded the S/X with new permanent magnetic motors up front last month. Range extended, and 1/4 mile times for the S dropped to low 10s.
    Low 10s? Damn man.
    "The most merciful thing in the world, I think, is the inability of the human mind to correlate all its contents... some day the piecing together of dissociated knowledge will open up such terrifying vistas of reality, and of our frightful position therein, that we shall either go mad from the revelation or flee from the light into the peace and safety of a new Dark Age."

    -H.P. Lovecraft

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    Was wrong, mid 10's. Still tho haha.

    https://www.youtube.com/watch?v=pymsZ2Q3oUo

    Thought I read a 10.3 somewhere, guess not.
    Originally posted by SEANBANERJEE
    I have gone above and beyond what I should rightfully have to do to protect my good name

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    Quote Originally Posted by Sugarphreak View Post
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    House of cards... just like I've always said




    How are those big ol' balls of yours now after getting kicked so hard? HAHHAHAHAHHAHAHAAAA

    Attachment 86149
    I've been in since 40 or 60 so I'm doing ok. How are yours over there on the sidelines?

    Bought more at 204.

    I think you don't fundamentally understand the meaning behind house of cards, unless you're referring to the TV show that lasted 6 seasons, but heck even Tesla is way beyond that.

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    I don’t think SP plays with Tesla stock. My guess is he was trolling Gestalt who went all in.

    I stopped playing in Q3, didn’t have the time to follow close enough to be comfortable. Dumped a bunch into NIO and lost 1/2 so far haha. Minor compared to gains made on TSLA.
    Originally posted by SEANBANERJEE
    I have gone above and beyond what I should rightfully have to do to protect my good name

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    Last edited by Sugarphreak; 08-18-2019 at 04:17 PM.

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    I think I would’ve done better with NIO if I had the time to follow it. New role at work has limited my stock research time to nothing. Was purely a sit and wait forever gamble.
    Originally posted by SEANBANERJEE
    I have gone above and beyond what I should rightfully have to do to protect my good name

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    Is now the time to pick up NIO? News of trade talks going well is lifting the market today.

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    Quote Originally Posted by phreezee View Post
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    Is now the time to pick up NIO? News of trade talks going well is lifting the market today.
    Trade talks or not, NIO is going up in flames as often if not more than Tesla.

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    ^ tell me more

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    Quote Originally Posted by phreezee View Post
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    ^ tell me more
    https://qz.com/1646684/chinas-orderi...sla-nio-fires/

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    Haha, literal flames lol

    From the same site, it seems the Chinese government won't let NIO fail https://qz.com/1630165/nio-the-elect...-from-beijing/

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    Quote Originally Posted by phreezee View Post
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    Haha, literal flames lol

    From the same site, it seems the Chinese government won't let NIO fail https://qz.com/1630165/nio-the-elect...-from-beijing/
    NIO coverage from China is interesting. When they screw up, they always mentioned they are listed on NYSE. When they have good PR, they call it China's NIO.

    Battery fire is not the only thing NIO is fighting, typical issue with start up companies.

    https://www.theverge.com/2019/1/31/1...ffic-china-es8

    China won't let EV fail, they see it as opportunity to unseat all of the world's current car makers and put Chinese brands on the main stage.
    Last edited by Xtrema; 06-26-2019 at 09:54 AM.

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    Last edited by Sugarphreak; 08-18-2019 at 04:17 PM.

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    To be fair Ford has the lifetime achievement award for combustible cars nailed down for perpetuity.
    Originally posted by Thales of Miletus

    If you think I have been trying to present myself as intellectually superior, then you truly are a dimwit.
    Originally posted by Toma
    fact.
    Quote Originally Posted by Yolobimmer View Post
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    guessing who I might be, psychologizing me with your non existent degree.

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    Quote Originally Posted by killramos View Post
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    To be fair Ford has the lifetime achievement award for combustible cars nailed down for perpetuity.
    You are only as good as your last game.

  20. #2500
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    Well TSLA was up 7% yesterday from delivery news, and G20 sent NIO over $3. Gotta see NIO's June numbers.
    Last edited by phreezee; 07-03-2019 at 07:56 AM.

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