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Recent content by GSP

  1. GSP

    EV Tires in Hokkaido, Japan

    Welcome to TMC. The Michelin 18” OEM tires that came with my 2018 M3 LR are EV specific, with low rolling resistance and foam on the inside of the tread for noise reduction. I don’t think Michelin marketed them with an EV specific label though. These OEM tires have a bit less tread depth to...
  2. GSP

    Center horn retrofit for Model S

    Both wheel and airbag are your property. Tesla can’t take them without your permission. They may have a core charge that you would have to pay. That is my non-lawyer understanding, for what it is worth. GSP
  3. GSP

    Tesla, TSLA & the Investment World: the Perpetual Investors' Roundtable

    In 2016 I bought a Model S. HW1 Autopilot made long road trips much less fatiguing. Today I can’t image doing without Autopilot on highways. FSD has made in town driving more stressful, since you have to not only watch the other idiot drivers, but also watch what idiot moves your own car...
  4. GSP

    Tesla, TSLA & the Investment World: the Perpetual Investors' Roundtable

    IMO, the #1 reason Toyota (and Honda) created their first hybrid vehicles (Prius and Insight) was the US DOE’s PNGV (partnership for next generation vehicles) program. The goal was an 80 mpg family sized sedan. Toyota wanted to join, but the DOE would only allow the domestic GM, Ford, and...
  5. GSP

    SR LFP, would you get a residence charger in my case?

    That is an interesting situation. I really like the convenience of home charging, but in your situation I am not sure I would pay for it. Many condo or apartment dwellers don't have an option to charge at home. It is great you have such an option, even though it is expensive. 22 kW is...
  6. GSP

    Tesla, TSLA & the Investment World: the Perpetual Investors' Roundtable

    “BMW quality?” FYI BMW and Mercedes have ranked below average for quality, reliability, and durability. Toyota has been kicking their butts in QRD for decades. They make some very nice cars, luxurious, fast, good looking, high status, but “high quality” they are not. GSP
  7. GSP

    Tesla, TSLA & the Investment World: the Perpetual Investors' Roundtable

    How competitive the Semi will be depends largely on pricing. I haven't seen any pricing info since shortly after the 2017 reveal event, when Tesla execs hinted $180k for the 500-mile version. That is about what it takes to be competitive with diesel, in my estimation. However $180k / 900 kWh...
  8. GSP

    Tesla, TSLA & the Investment World: the Perpetual Investors' Roundtable

    Here is an 8-minute video walk around: The end of the “ICE age” is near. 😀 GSP
  9. GSP

    Tesla, TSLA & the Investment World: the Perpetual Investors' Roundtable

    “AC” motor? You probably mean induction motor, Nicola Tesla’s invention. All EV motors are AC these days. They were all DC brushed motors circa 1880-1980.
  10. GSP

    Help me decide 2014 S85 USC vs 2019 3 LR FSD

    @Michael Henry Does the 2014 Model S have Autopilot? Only cars built after about September had the hardware. If not, then the Model 3 will be better for road trips. It will not be as spacious to sleep in, but good enough for most people. FSD should be fine for highway use, objections from...
  11. GSP

    Preparing home for Tesla vehicles

    I also recommend installing one or two Tesla wall connectors. Also getting quotes from three electricians to install them. Ask them how much ampacity can be added to your panel. 60 Amps should be plenty, split between the two vehicles. That allows 48 A for EV charging (80% of 60 A). I have...
  12. GSP

    Electric planes

    Dutch startup has plans for 90 passenger 500 mile battery-electric aircraft. Instead of electrifying a modern turboprop, they looked to the 707 and DC-8 narrow body jets. They were fuel guzzlers designed for long range, so they also needed to carry a high energy mass, about 50% of total mass...
  13. GSP

    Investor Engineering Discussions

    Yes, of course not vehicle wide. However there must be some sort of 12 V supply on the vehicle. Good point about the lights and trailer brake though. They could deal with 15 V from the X/Y, but not 48 V!
  14. GSP

    Investor Engineering Discussions

    I expect that the Cybertruck will need to supply 12-14 V to its trailer connector, since this is used to charge trailer 12 V batteries. The X and Y have eliminated voltage supply to this pin when they switched to 15 V Li-ion batteries. However the larger trailers that the Cybertruck can haul...