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Recent content by flathillll

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    200 kWh Roadster Pack: How is Tesla Pulling This Off?

    The difference is the gas/fire vent path (safety) Double stack can be made to work but blade config is safer
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    200 kWh Roadster Pack: How is Tesla Pulling This Off?

    The pack is not a double stack. The modules are mounted on their side in a blade config...
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    Tesla Product Announcement at noon

    More cells in parallel means lower resistance. Not using thin aluminum bond wire fusible links means lower resistance. Lower resistance means increased efficiency. This is the new Model 3 pack architecture "prototype" pack but the gigafactory cells are made for cooling on one end and both pos...
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    Tesla's response to me leaking info about the P100D?

    Yeah wk is actually doing Tesla a favor here. It is scaring the firmware/software team into action and going forward they will be much more careful. Elon is giving a wink & nod that what happened here is borderline OK, but that doesn't mean the firmware/software team see's it that way. From...
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    Tesla's response to me leaking info about the P100D?

    hacking any computer you have physical access to is rather trivial. I would be impressed if wk could pull of a remote hack. we actually need white hats working on remote hacks. The 100 pack is an open secret for anyone living in the Bay Area that knows a couple Tesla engineers. This is not top...
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    Tesla's 85 kWh rating needs an asterisk (up to 81 kWh, with up to ~77 kWh usable)

    nope Apple destroyed Mission. They lost one team member to Apple which didn't appear to be a big deal at first, but just as they were about to lock in funding to ramp production Apple poached the rest of the core team. The trick was the first person they recruited knew everyone's salary at...
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    Tesla's 85 kWh rating needs an asterisk (up to 81 kWh, with up to ~77 kWh usable)

    the two ends of a 18650 cell are 12X more conductive than the side (think direct-er connection to jelly roll) if you heat/cool on only one end thru a base plate (with terminals on the other) only you are still doing 6X better than a full cooling jacket wrap around the entire circumference of...
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    Tesla's 85 kWh rating needs an asterisk (up to 81 kWh, with up to ~77 kWh usable)

    I see what you mean and I apologize for misunderstanding. Yes face value has recently been updated, not sure if it is because of us or because legally if you advertise 7 that means 6.5-7.0+ 6.4 must be advertised as 6 or 6.4, but the data sheet has always stated 6.4 since launch
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    Tesla's 85 kWh rating needs an asterisk (up to 81 kWh, with up to ~77 kWh usable)

    you think wrong. tesla has always stated 6.4 usable at 25C stationary storage always states usable capacity going back to the days of lead and iron and sodium
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    Tesla's 85 kWh rating needs an asterisk (up to 81 kWh, with up to ~77 kWh usable)

    ask yourself why Roadsters have been bricked with NCA cells? all lithium cells self discharge. it dependes on temp and age. accept it
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    Tesla's 85 kWh rating needs an asterisk (up to 81 kWh, with up to ~77 kWh usable)

    all lithiums cells self discharge with zero load. if you figure the reserve is roughly 5% of the pack and you know the self discharge can vary between .25-3% month dependeding on the age and temp of cell and whether the BMB is still active best case it could be around a year. worst case it...
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    Tesla's 85 kWh rating needs an asterisk (up to 81 kWh, with up to ~77 kWh usable)

    the car is not bricked by the BMS when you hit the reserve. Bricking a car means you have discharged the cells so low that they are damaged and not safe to recharge. this was definitely possible on a roadster but no one knows for sure if the same is true with the model s cells as they may use...
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    Tesla's 85 kWh rating needs an asterisk (up to 81 kWh, with up to ~77 kWh usable)

    the car will switch into a ultra low power mode (everything off but the bmb's and they even go down and cells continue to self discharge) and you can drain it to zero. the reserve capacity is technically usable capacity in storage, just not while driving. try driving to zero miles and park your...
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    Tesla's 85 kWh rating needs an asterisk (up to 81 kWh, with up to ~77 kWh usable)

    yeah too bad the only global standard is to state the spec capacity. you could mandate all cars state the usable capacity at 65mph (since usable capacity is speed dependent for more reasons than one) but wouldnt it be simpler to state the range at 65mph and then have customers use that value...