Thoughts on Glass Roof?

Discussion in 'Rivian General Discussions' started by skyote, Jun 9, 2019.

  1. Hmp10

    Hmp10 Well-Known Member

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    My brother reads a lot more about cars than I do, and he says that so many brands are going to glass roofs because of this plus the ease of access to the interior by robots, as a glass roof goes on almost at the end of assembly. He also tells me that Tesla, in particular, uses glass roofs to augment torsional rigidity, as Tesla's are not noted for their rigidity. With early Model X's, though, the glass was absorbing so much torsional flexion that some of the windshields were cracking. (I don't know now they resolved the issue, but I read that they did.)

    I have a 2015 Model S with a metal roof, and I have never had cowl shake or any sense of low torsional rigidity. In fact, the car feels rock solid. I once looked up the numbers and was surprised to find that many other four-door sedans had higher rigidity than Tesla. I had owned a couple of those brands and never thought the Tesla had more flexion . . . until I test drove a Model X, that is. I took it over a railroad crossing at low speed and could hear the car frame creak.

    Rivian is going to be a body-on-frame vehicle instead of the more common unibody construction. I wonder how that is going to affect the sense of solidity and whether they're going to have to use firmer suspension settings than they otherwise would because of body flexion.
     
  2. cllc

    cllc Member

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    #22 cllc, Jun 17, 2019
    Last edited: Jun 17, 2019
    The model x with the gull wing doors' I can see why it would creak and also why the glass roof could easily crack.I have the Model 3 and my comments about my thoughts on glass roofs is in posted above. Teslas are more of a road car than any thing else including the model X. If you plan on going off roading with this Rivian I would not recommend a glass roof. Staying on the road then yes.
     
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  3. skyote

    skyote Well-Known Member

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    I'm willing to bet the Rivian frame is rigid, and that flexion will not be a problem.

    My 3 yr old just told me how much he likes the sunroof in my truck, so it might be glass for me. ;-)
     
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  4. Jazzyjeff139

    Jazzyjeff139 Member

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    Great information Jim. Thank you!
     
  5. Jazzyjeff139

    Jazzyjeff139 Member

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    And block cold. I know on my Tundra I pull the shade across and it’s a huge insulator!!
     
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  6. fastwheels

    fastwheels Member

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    I've had many sunroof/moonroofs and even a couple of removeable roof panels and T tops (going way back for that). I rarely ever open/removed them. Just an extra opportunity for extra cost/weight/squeaks/heat, etc. Make my R1T roof fixed steel please!
     
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  7. ElectricTrucking

    ElectricTrucking Well-Known Member

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    Yes fastwheels I'm with you 100%.
     
  8. jimcgov3

    jimcgov3 Well-Known Member

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    For me, the glass roof depends on what else is packaged with it. IF it takes too much away, then bring on the glass.
     
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  9. EyeOnRivian

    EyeOnRivian Well-Known Member

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    A little more of an official response from Rivian on Twitter albeit still lacking detail.

     
  10. jimcgov3

    jimcgov3 Well-Known Member

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    They mention that in their "NEW" FAQ in their website. If you haven't checked it out yet, I would take a look... There are a couple new details.
     

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