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Thread: Stadium pinwheel roof - GIF

  1. Jul 19, 2021, 09:27 PM #1
    Altair
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    Stadium pinwheel roof - GIF

    Pinwheel roof of the Mercedes-Benz Stadium in Atlanta, Georgia.




    Previously:

    Stadium roof retracting - GIF
    The Astrodome under construction in 1964 - photo
    Stadium roof collapses - GIF
    Iris valves - GIFs

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  2. The Following 4 Users Say Thank You to Altair For This Useful Post:

    desbromilow (Jul 20, 2021), Floradawg (Jul 26, 2021), nova_robotics (Jul 20, 2021), Ralphxyz (Jul 21, 2021)
  3. Jul 21, 2021, 07:47 PM #2
    Ralphxyz
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    How big is the opening?

    Ralph

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  4. Jul 21, 2021, 10:42 PM #3
    Altair
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    According to this article,
    It measures 14 acres, including the approximately 2 1/2-acre retractable portion, which currently is in the open position.
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  5. Jul 22, 2021, 06:05 PM #4
    sossol
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    This video explains some of it.

    Neil
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    Altair (Jul 22, 2021)
  7. Jul 23, 2021, 03:50 AM #5
    DIYSwede
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    Quote Originally Posted by Ralphxyz View Post
    How big is the opening?

    Ralph
    Easy-peasy, assuming the 2.4 acre opening is a correct value:
    https://www.omnicalculator.com/math/octagon

    ("Prosthetic Math Brain" for the rest of us, who simply aren't wired as Marv,
    and in Imperial units for the yet Non-Metricated patients here )

    Stadium pinwheel roof - GIF-m-b-stadium-aperture-dims.png
    Last edited by DIYSwede; Jul 23, 2021 at 03:52 AM.
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    Altair (Jul 23, 2021)
  9. Jul 25, 2021, 04:35 PM #6
    marksbug
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    snazzy !! hmm I should make one of those!!!



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