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  1. BillArnett

    SF Bay Area Rivian Adventure Owners?

    I'm currently signed up for a red launch edition R1T hoping to get it before the end of next summer. But I'm becoming somewhat disillusioned with the paltry off-road specs. 20" wheels is the best they can do??!! I may cancel my reservation and just wait for the CyberTruck.
  2. BillArnett

    Rivian, PLEASE Fix This!

    I hope those cool fold down tow hooks are strong enough to be actually useful.
  3. BillArnett

    SF Bay Area Rivian Adventure Owners?

    Yeah, that sounds like fun. I’m confident that a reasonably competent driver can safely do both of those trails. And they’re both stunningly beautiful. Imogene is considerably easier. I’ve done it many times in a Jeep and a couple times with a Mercedes ML-430. So a Rivian should be no problem...
  4. BillArnett

    Video: R1T Towing 11k lbs up high grades at 118º F -- Hot Weather Towing | Progress Report by Rivian

    This test means nothing without knowing the speed they were going.
  5. BillArnett

    Moab trails?

    That’s a good example of what I’m talking about. First of all, note that those were not stock Jeeps. Most of the trial is trivial, Rivian should have no problems. But there were a couple of obstacles that the Jeeps struggled a little with. I’m guessing that Rivian would be able to get up them...
  6. BillArnett

    Moab trails?

    Agreed. 99.9% (guesstimate) of people who buy Wrangler Rubicons never drive the Rubicon Trail. 98% of them never do anything off-road harder than a fire road. Ditto for buyers of Range Rovers and MBZ G-Classes. My point is that if Rivian could really handle that tough stuff then it would be so...
  7. BillArnett

    Moab trails?

    Yeah, at that same event I was promised that there would be a winch option, too. I hope that's right. As for the bumpers, the way I interpreted what was said is that there will be some sort of skid plate under the bumper(s). That's all well and good but insufficient if the corners remain plastic.
  8. BillArnett

    Moab trails?

    #2 would be better approach and departure angles. This might be as easy as removing the plastic bits below the bumpers (which are no doubt there for aerodynamic reasons, irrelevant off-road). Or it might necessitate a whole bumper redesign. #3 would be armor under the bumpers and especially...
  9. BillArnett

    Moab trails?

    Right. And your big truck doesn't have regen braking to supplement the friction brakes. I'll go out on a limb here and assert that big brakes are not really a safety thing but more of a marketing ploy. I'm not an automotive engineer. But I do know some basic physics. And I know that basic...
  10. BillArnett

    Moab trails?

    The OP asked about Moab. Yeah, Rivian will be fine on the easy ones like White Rim, White Wash Dunes, the Tower Arch road, and the Shaefer Trail (and probably a few more boring ones I can't remember). It might manage Top of the World with considerable caution. Maybe Rose Garden Hill with extreme...
  11. BillArnett

    Moab trails?

    Mostly right. Torque and speed are of course related. But I suspect (guess) that it's actually kind of complicated. But it would be easy enough to add wheel speed sensors if the aren't there already. My guess is that the ugly looking wheel spin we've seen in their videos is the result of the...
  12. BillArnett

    Moab trails?

    Yeah. But why in the world did they chose to fit such giant brakes? This isn't a race car.
  13. BillArnett

    Moab trails?

    I think Rivian will perform best at glamping and least well on rock crawling: Glamping: sure, you don't need much in the way of off-roading capability but the pretty interior is nice. Fire roads: OK easy enough but watch out for gremlins that eat sidewalls. Overlanding: range may be an issue...
  14. BillArnett

    Moab trails?

    OK, I agree it's "traction". (And the main way to improve that is with better tires.) And I agree the 4 motor design is *potentially* better than lockers. We'll just have to see. But it's "only" software so I expect they will be able to improve it after some real world experience. It might be...
  15. BillArnett

    Moab trails?

    Skyote is right about the angles, too. Fixing that is the second thing I would fix. And some decent armor under the bumpers and the rockers (the underbelly looks to be OK).
  16. BillArnett

    Moab trails?

    In the real estate world the mantra is "location location location". For off-roading it's "Tires Tires Tires". OK, one could always replace the stock all-terrain tires with some mud-terrains but they can't be any bigger: there's no room in the fender wells to put larger ones. And the 20" rims...
  17. BillArnett

    Moab trails?

    Yeah, that would very interesting. But I’m afraid the Rivian wouldn’t fare very well.
  18. BillArnett

    Find your Rivian Order Number & Post it Here!

    Oops; typo. Should be Nov 23 2019; Order #18925 Fixed.
  19. BillArnett

    GMC Hummer EV teaser video - 1,000 HP and 11,500 ft lbs

    Very hard to tell but it looks like it will have much better approach and departure angles than the Rivian and the CT. That would make a lot of sense given the heritage of the original Humvee. If there are no other gotchas this looks like a better fit for me than either Rivian or CT.


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