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75D supercharging speed.

Discussion in 'Model X' started by zackmilo, Jun 15, 2017.

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  1. zackmilo

    zackmilo Chrome Delete Champion

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    Hey everybody,
    I find out in a couple hours if my X60D is totaled or not. (Accident and Repairs) I was just wondering what 75D owners supercharging speed was. I used to only get a max 97-98kw ideally in my X. That was the highest I have seen it. Is that the same for a 75D?
    Thanks,
    Zack
     
  2. chillaban

    chillaban Active Member

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    Yes, the software-locked 60D supercharges at the exact same rate as a 75D at the same underlying state of charge. So in reality, you probably wouldn't stay at a supercharger for a lot longer than a 0 to 60kWh charge on your 75D either, as that last 15kWh might take you 45+ minutes with tapering.
     
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  3. jelloslug

    jelloslug Active Member

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    On my Model S 75D that's all I get. I cannot see how it would be any different on the X.
     
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  4. zackmilo

    zackmilo Chrome Delete Champion

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    Thanks guys!
     
  5. jelloslug

    jelloslug Active Member

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    The last 5% is were the tapering really slows down on my 75D. It will go wide open until 90% and still maintain a faster than L2 speed until 95%.
     
  6. chillaban

    chillaban Active Member

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    What's your definition of wide open though? I found that above 185RM or so, on my S70D (locked 75D) I already drop to 70kW or so from 99kW.

    Without a doubt, most of these rates are faster than L2. But I mean, compared to the 100D that replaced my 70D, the 100D still pulls 110-120kW at 200RM, and that effectively adds up to saving over half an hour to charge at Bakersfield and skip Mojave and get directly to Barstow.

    Fast is relative. I thought the 75D's charging curve was fantastic compared to other EV's, but man, the 100D just blows it away for road tripping. For SF to Vegas and SF to Lake Tahoe, it's resulted in an extremely meaningful amount of time shaved off road trips, that I wasn't expecting when I made my original choice to get the 70D. Back then I was strictly in a mindset of "do I have enough miles to get to the destination".
     
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  7. Uncle Paul

    Uncle Paul Member

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    The biggest advantage the 75 has over the 60 is not so much at Superchargers, but being able to start out your trip from home with a full battery, and take advantage of the extra range to your first stop (or not needing to stop at all). That is where the bigger batteries shine.

    Same advantage when you are at a destination charger. Again you can start out in the morning with the additional range.

    Same with gas vehicles. Most people like to start out their trip with a full tank, and get some miles under your belt before stopping.

    If you do none of this type of driving, the 60 might be the better value.
     
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  8. jelloslug

    jelloslug Active Member

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    80kw+ up to 90%
     
  9. TJtv

    TJtv Member

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    Surely you can't be serious? I've never seen a supercharger taper curve indicate anywhere close to 80kW charge rate when your battery is at 90% SOC.
     
  10. jelloslug

    jelloslug Active Member

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    Every time. When it was still a 60D I would get almost no taper at all if it was warm weather.
     
  11. BerTX

    BerTX Active Member

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    This is not my experience, either. Closer to 30kW at that SOC.
     
  12. chillaban

    chillaban Active Member

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    I'd generally agree. I mean, I've sat in my car in Vegas to charge it up all the way for a day trip. At the 70D's 90%, I was at maybe 60-70kW and then it rapidly tapers after that. Once I'm beyond 200 rated miles, from there to 235 (100% of a 70D) is around 50 minutes remaining. Past 215 you're tapering down to 30kW or lower.
     
  13. jelloslug

    jelloslug Active Member

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    I did ~77% to 100% in about 30 minutes just last weekend. From 90% to 95% it was in the ~50kw range and after that it went down hill quickly. I wish they would have had a destination charger for the last little bit as it would have been much faster.
     
  14. kavyboy

    kavyboy Member

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    Somebody on here posted that a charge rate rule-of-thumb was 125-SOC=recharge kW+/-7. That has been pretty accurate for my S70. I even saw sustained rates at 100+kW with a low SOC recently, so it held true even on the low end SOC for me.
     
  15. hill

    hill Member

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    don't forget ... your 'model' is not your pack's usable portion. A 60 is actually 62 and the 75 is actually 72. so you're 60 was actually giving you more bang for the buck.
    .
     

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