0-60 in 3 seconds: are you OK with that?

Discussion in 'R1S SUV Discussions' started by Another Brother, Jul 13, 2019.

  1. Another Brother

    Another Brother New Member

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    #1 Another Brother, Jul 13, 2019
    Last edited: Jul 13, 2019
    Like many I find the performance figures thrilling but on reflection I’m not sure I want to launch a family SUV containing a family to 60 mph in three seconds.

    Which makes me think the base model would do.

    Anyone else?
     
  2. jimcgov3

    jimcgov3 Well-Known Member

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    I know I am ok with it....But I am sure the max acceleration option will be a setting in the UI similar to Tesla.
     
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  3. BGS

    BGS Member

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    If there is no upcharge like 20k for 2.7 seconds with Ludicrous mode, 3.0 seconds with the mid level battery is outstanding.
    I am a little disappointed that top speed is capped at 125. I could see some of these at the track.
    Four wheeling in the day, go home and hose it off, then take everyone's money at night.

    Any Engineers in here that can design a catapult for my ex-wife to be launched from the bed of the truck!! I kidd I kidd, she's ok.
     
  4. jimcgov3

    jimcgov3 Well-Known Member

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    The only upcharge I can see is for the 135kWh battery...They already stated that it will be their performance model. I could see where Rivian could add their version of "Ludicrous" to unlock an extra 3-5 tenths of a second off the 0-60 time. They have always said, "Undersell and over deliver". They very well could have something up their sleeves.
     
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  5. Alan Burns

    Alan Burns Well-Known Member

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    This is how electricity works, max hp and torque at the stall i.e. start speed not after the internal combustion engine builds up some rpm for higher hp output.

    To get 0-60 in 3 seconds you need to go full floorboard with the pedal. Is that how your gas powered vehicle now? Don't worry, your kids are safe if you are not driving like a maniac.
     
  6. Hmp10

    Hmp10 Well-Known Member

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    Tesla can only achieve its maximum acceleration time with the battery at 95% capacity, and repeated hard acceleration runs require at least three minutes of battery cool-down between each run. Tesla also warns that repeated max acceleration can damage the drive train and battery pack. I have a P90D (without Ludicrous mode) and do love the occasional blast away from a stop light if the road ahead is clear, but you soon learn that the acceleration is so quick -- even from 50 or 60 mph -- that too much of a good thing can be too much. It just requires so much concentration, in part to keep speed from reaching unintended levels.

    The Rivian is going to weigh almost 6,000 pounds. Accelerating that weight at such a rate is going to put a LOT of strain on many components. No matter how robust the drivetrain will be, I think max acceleration runs will best be used as an occasional show feature instead of a driving staple. And there is no way I would let an unsupervised teenager or young adult drive my Tesla without putting it in valet mode (which limits top speed to 70 mph and significantly cuts acceleration). I assume Rivian will incorporate a similar feature.
     
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  7. skyote

    skyote Well-Known Member

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    If they weren't that fast, I probably wouldn't be buying one. For me, I'm finally spending on the fast vehicle I've wanted, and can now justify...two seaters are not practical enough for my household.

    I do hope there is a setting to limit performance...I'll call it "wife mode". ;-)
     
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  8. Another Brother

    Another Brother New Member

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    I think Rivian are calling the extreme acceleration option Midlife Crisis.
     
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  9. cllc

    cllc Member

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    Yes, I'm ok with 0-60 in 3 seconds.The R1s is for my wife then she can stop borrowing my Model 3 so she can get her G force fix once or twice a week.
     
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  10. Lmirafuente

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    I like the 0-60 in 3 seconds or less! I also agree on why they capped it at 125MPH, but again, there isn't to many places to hold that speed or higher without getting noticed.

    I did ask the question of the Rivian team at the Overland Expo West in Flagstaff if there was a significant deference in acceleration between the 135kw battery and the 180kw battery and their response to me was, we would not notice the difference...it would need a professional timing and track situation to see the difference. I only asked that question because it was one of the features I was toying around with... it helped me make lean toward the 180kw battery as I really do not need the third row seating.

    The conversation quickly turning to ride-feel and cornering --- which they said with happy faces, wait till you drive it!

    Before seeing the RT1 first hand and talking with Rj and Charles from Rivian... I was not anxious to get it...after that meeting I am now extremely anxious to test drive and having one (if the test drive proves well that is---which I expect to be great).
     
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  11. Hmp10

    Hmp10 Well-Known Member

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    It's hard to overstate how much lowering the center of gravity allowed by skateboard drivetrains affects handling and braking. I have owned two Mazda RX7s back in the day, a Corvette, a Mercedes SL55, and three Audi R8s. My Tesla 4-door sedan -- with a center of gravity 14" above the pavement (that's at the wheel hub line, folks) -- is in the league of those cars. I doubt if the Rivian center of gravity will be quite that low but, combined with its air suspension, it's likely to be in a league handling-wise of which no other truck or SUV can even dream.
     
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  12. Lmirafuente

    Lmirafuente Member

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    Thanks for sharing!

    In talking to Charles the VP of Development and Integration (McLaren guy), there will be different heights for driving conditions which I found interesting. Not sure how low it will go. I would like to hear your feedback after driving the Rivian on how it compares to your other vehicles.

    I can only compare my BMW sedan experiences. I did test drive the Jag iPace but that is not the same as driving it daily. I could not accelerate from 0...to 60 (4.5 seconds supposedly) as it was already rolling on the on ramp, but it had some nice g-force. The sale guy was not very good yet in explaining the features at the time. I did notice the iPace had torque steer which was weird coming from four tires...the car almost drifted when I accelerated on to the freeway. So when I was at Overland Expo, I asked Charles how the Rivian compared and would I experience the torque steer. He said no, and we would not get that from the four independent motors and traction management on the Rivian. He went over my head on his technical explanation.

    Adds more to the anxiety of wanting to test drive the car, because he wanted it as his vehicle too. And since he is managing the integration of technologies on the vehicle there is some credibility there. With more and more employees coming from other top car manufactures over to Rivian, I am sure voices will be heard.---its the company culture.

    Cool discussion guys!
     
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  13. EyeOnRivian

    EyeOnRivian Well-Known Member

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    Hard to say at this point since Rivian hasn't released what features will be standard or available with each battery pack. The quickness of 0-60 in 3 seconds is nice, and I'm sure I could still have plenty of fun even with the 4.9 timing, but there are so many other features I'll be factoring into my decision. E.g. what if the 105 kWh BP is severely lacking the features, whether standard or optional, I would like/need? Would have to then look which desired features are available (and cost if optional) on one of the larger battery packs. ... Heck, even though I pre-ordered the R1S I've been as of late leaning toward the R1T. :facepalm:
     
  14. EyeOnRivian

    EyeOnRivian Well-Known Member

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    According to the Rivian spec sheet the lowest (of four) vehicle heights is referred to as kneel/park mode. Here are the height / ground clearance settings (converted to inches) for each mode from the Rivian spec sheet:
    R1T / R1S
    Kneel/Park ..................... 7.9" / 8.9"
    Aero Curb Mode .......... 9.4" / 9.6"
    Standard Curb Mode .. 11" / 11.2"
    Off Road ....................... 14.2" / 14.4"

    In a recent YT video I believe I heard a Rivian rep (it may have been Charles) mention the EAVs will be able to auto switch between modes, e.g. Standard and Aero based on various conditions, like vehicle speed, for optimal battery range.
     
  15. Hmp10

    Hmp10 Well-Known Member

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    Before people have to make final decisions about battery packs, it would be helpful to know what the real-world range is of each pack in the Rivian. The EPA has a defined set of conditions for testing electric range (just as they do for gas range) so that buyers can make comparisons across brands. My experience in driving my Tesla has been that real range is considerably less than EPA range in almost all driving conditions. For instance, Tesla tests highway range by driving on a flat, open road at 65 mph in temperate weather with no accessories running. Several times I have tested my highway range by driving across Alligator Alley -- a flat, straight, lightly-traveled interstate with temperatures usually in the 80's -- with the cruise control set at 76 mph (a speed from which you almost never have to decelerate for traffic) and the A/C and stereo running. Using the highway mile markers, I have found that my car uses up 10 miles of indicated range for every 6 miles of actual road travel.

    I know that Rivian has suggested that their published ranges will be realistic, but that would suggest they are going to depart from EPA standards in citing range. I wonder if that will really be the case. Before opting for the 105 kWh battery pack, it would help to know if you will really see anything close to 240 miles of range in real-world driving.
     
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  16. Edax Rerum

    Edax Rerum New Member

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    At risk of forming a tangent, I have shared this concern. I've been bracing myself to only have about 350 miles of real world range with the 180 kWh battery pack, just so I'm not too disappointed when it isn't over 400.
     
  17. Hmp10

    Hmp10 Well-Known Member

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    I'm pretty sure the ranges cited by Rivian are based on a fully-charged battery pack. Unless Rivian will have graphene ball technology or some other new battery technology available to them by the time they build the vehicles, you won't be able to top the batteries off very often without accelerated degradation. Tesla recommends only charging up to 85% capacity for routine use. If that is the case for Rivian, you'll probably start most days with just under 350 miles of indicated range on the 185 kWh pack (410 miles x .85). Then you'd have to reduce the range further to adjust for actual driving conditions that impact range adversely: cold weather, precipitation, driving at typical interstate speeds, carrying a heavy payload, a lot of stop-and-go driving, etc.

    If you only charge up to 85% and want to drive your Rivian as you would most ICE vehicles (in other words, not trying to hyper-mile), my guess is that 250 miles is a more realistic figure for the 185 kWh pack. That's not as disappointing as it sounds. Drivers average about 1,000 - 1,200 miles a month on a vehicle. That would mean only 4-5 charges a month up to 85%. Unless you are on a road trip, it would be a very rare day in which most drivers would get anywhere near to driving 250 miles. If, like most EV drivers, you plug in every night at home, you would never have to think about range except on long road trips.

    In fact, I think any of the three battery packs would be more than sufficient for daily local driving for almost anyone without ever subjecting them to range anxiety. The real difference in the packs as far as range goes is that the larger packs give you more flexibility in planning long road trips -- both in terms of more route choices and less frequent charging stopovers.
     
  18. azjohnny

    azjohnny Active Member

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    With BEVs I firmly believe go with the biggest battery you can afford. As stated in the post I would expect between 250-300 miles while charging to 80-85% whether at home or DC fast charging. As far as trips in the woods I am still concerned about charging locations. I frequent areas in norther AZ which do have some Tesla SCers ( a new being built close to the entry at the Grand Canyon south rim) I am still going to wait to see what the Tesla truck will look like but the R1S does suit me better ( easier and safer for a dog crate and hunting equipment)
     
  19. PoorPilot

    PoorPilot Well-Known Member

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    For reference, I see half a dozen or so places to charge at the I40/64 intersection with several more as you head north on 64 into the park. They may not be DC fast chargers, but it’s a place to charge. It also looks like there are a few places to charge on the North Rim.
     
  20. ElectricTrucking

    ElectricTrucking Well-Known Member

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    Not being a fast charger but it is a place to charge in my view is not good enough if you are just doing a stop for that purpose. Waiting for possibly hours would drive me insane.
     

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