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Those people can simply charge to less than 100% before starting down. Otherwise they’re throwing away energy.

Yeah but the video showing the truck climbing a rocky hill that was posted a few months ago is not too promising. It did get up the hill but it was kind of ugly with the wheels spinning briefly before the torque was transferred to the other side. The system needs to respond much more quickly. Or...

Fourth case: your battery is cold at the top of the hill. But how did you get to the top without heating up the battery? You stopped at the top for an hour to enjoy the view? In cold weather? Maybe. Wouldn’t it be OK in that case to just go very slowly so that smaller brakes would be adequate...

When is regen not available? Two cases I can think of: 1) the battery is close to 100% full. But that will only be a problem if you charge up to 100% at the top of a hill which is kind of silly. Or 2) there’s some sort of failure but in that case you only need to stop once and it’s OK for the...

But it has REGEN braking, way better than friction brakes in that circumstance, no? (Of course, no one ever traverses a 45 degree slope aside from hill climb competitions. 35 degrees is the steepest I’ve ever done in my Jeep and it seems like straight up. On the highway you’re unlikely to see...

That's very good news. But I'll be very interested to see how it works. My Warn 10-S draws 400 amps at 12 volts....

That should be easy enough. I'll be there with my R1T as soon as I can. The optional Hell's Gate obstacle will be fun but I wouldn't be surprised if I get some wheel rim rash. "Tip Over Challenge" should be easy with Rivian's low CG. Escalator: forget it.

I wouldn't call the Rubicon "hard-core" but I do agree that a Rivian would struggle on it. My guess is that I could get thru but not without body damage. I'm used to a lifted Wrangler with 37" tires so the Rivian will be a major step down in off-road capability. The biggest issues IMHO are the...

A lift for independent suspension is hard, especially with Rivian’s limited articulation. I suppose it’s possible. I hope you’re right! and that’s very good news about bumpers. With luck they will be able to improve the approach and departure angles and make room for a winch.

Yeah. But I doubt it will be possible to modify a Rivian much. Heck, there isn't even room for bigger tires and a lift is out of the question. So we'll have to live with it stock. And it seems that Rivian has chosen the off-road vs street compromises mostly in favor of the later. Not what I...

I'm not impressed. Lots of tire slippage. Despite trying to go too fast he lost his forward momentum at one point. That little hill would be child's play with my Wrangler. OK, I know Rivian isn't trying to be a serious off-roader. But I wish they would stop pretending to be. It will be a superb...

SW Colorado is my favorite wheeling area. Good charging there is at the top of my list. There are more Wheeling trails near Silverton CO than Ouray. Telluride is a nicer place to stay. Moab UT is a close second.

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.

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

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...

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

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...

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...

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.

#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...