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  1. how does weight affect range?

    I agree that regen does indeed recover some of that lost energy. Sometimes quite a bit, up to about 2/3 in fairly ideal cases. Whether what remains lost is "not much effect" or not is open to interpretation, but after driving EVs since 2008 I've found it to have enough of an effect that I...
  2. how does weight affect range?

    When most people ask about "range", they mean highway range as few people try to drive over 300 miles in city traffic. kylealden's answer is perfect for them - weight means little on the highway, where aero reigns supreme. But weight does make a difference if you do a lot of speed changes -...
  3. 3.08 mi/kwh over 254 miles @ 58 mph

    Thanks for the numbers. Fuzzing them up with some rough figures: That's about 6275' of elevation loss. With the Model S, I used to figure about 10 miles of range lost per every 1000' of elevation gain, and 2/3 of that regained on downhills. The R1T is about 50% heavier, so let's say 15 miles...
  4. Increases in your electricity bills?

    Here's something I wrote 2.5 years ago (when gas was cheaper!) about calculating EV savings over gas. The example uses (old) US averages; of course you'll want to plug in your own numbers: Calculating Fuel Savings U.S. Averages: Cost per kWh of electricity: $0.1319...
  5. Increases in your electricity bills?

    That is indeed a great answer. Just to clarify for anyone unfamiliar: What he's doing is: (miles/month) / (2.1 miles/kwh for a Rivian) = kwh/month of electricity used (kwh/month) * (dollars/kwh) = dollars/month You may want to add on 10-15% for charging overhead, as that 2.1 figure is only...
  6. EV charger installation in the Kirkland WA area?

    Agreed - they've been doing it longer than anyone. They sometimes get pretty slammed, though. Frankly it's not a tough job, and any electrician should be able to do a fine job. True. And there is rarely an issue. But...if there ever is a fire related to the charger, they may find that their...
  7. Towing + Efficiency: Please post your experience!

    Aside from aero interactions with the back of the truck, towing a boat with drag x on a set course of distance y should take a fixed amount of energy regardless of the tow vehicle. Unfortunately that fixed amount of energy will be a higher percentage of the energy used to propel a more...
  8. What will you do given the Max Pack delay?

    Everyone's situation is different. Here's mine: we tow a trailer. We already have a 300-mile EV that we're towing it with, but with the 50% range hit from towing, we'd really like a 400-mile tow vehicle. The Rivians are nice, but there's really no reason for us to buy one until the Max Pack is...
  9. Anybody signed the BPA now with a 2024 Delivery?

    Me too. R1T with Max Pack, but not much else. I signed the BPA. Today's estimate is 2024.
  10. Electrical hookups, WA State Parks

    We don't have our Rivian yet, but we've successfully charged our EV from 50A outlets at Fort Flagler, Deception Pass, Seaquest, Millersylvania...and, uh, several others but I'm not good at recalling exactly where. The 50A outlets are 240V. The 30A outlets are only 120V, so quite a bit slower...
  11. Cadillac Lyriq - debut edition orders accepted

    You may be asking tongue-in-cheek; but no, it's not bad form at all. Dealers generally are happy to see people from other brands that are interested in their brand, as conquest customers are harder to get than repeat customers but are key to growth. It is especially with EVs: for most dealers...
  12. RV Park as a Charging Station Option?

    Recently, I've only charged my EV at a campground when I'm towing a trailer, and I've paid for a spot with electricity. You can use the electricity for AC or TVs or whatever, but I don't have any of that stuff. I use it to charge the car instead. I'm sure some park rangers have noticed the car...
  13. How Much Does Speed Impact Range? Testing Rivian R1T at 60MPH, 70MPH and 80MPH

    Thanks for the real-world info! So, compared to 60mph, the R1T loses 15% at 70mph, and 24% at 80mph. The numbers are pretty close to what I'd expect from experience with past EVs. In 2010 I made this chart on Tesla Roadster range-versus-speed (with HVAC thrown in). It shows that the Roadster...
  14. First Drives Cancelled in WA

    Rivian did a lot of work on the 2021 bill...which as noted didn't get out of committee. EV owners in the state have been bugging legislators about this at least since 2009. EV groups (like Drive Electric Washington) will be contacting legislators again this year...there are definitely supporters...
  15. Got to love it!

    Here is a table from Safari Condo where they say they have tested various trailers behind a Model X, and here's the consumption rates they recorded. Not everyone that has seen this table agrees that it's a fair comparison, but I don't have a better table.
  16. Got to love it!

    I ordered a Safari Condo Alto A2124 in Sept 2020. It arrived in Dec 2021. I'm hoping that someday my R1T with Max Pack will be its tow vehicle, but until that arrives we are towing it with our 2017 Tesla X. Some of my key takeaways from extensive threads on the teslamotorsclub.com Model X...





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