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A comment on SpinLaunch completes first test flight with rocket-flinging launch system. Parent comment

Re:SpinLaunch completes first test flight with rocket-flingi... by p1mrx on Saturday November 13, 2021 @12:23AM (#29207632)
The idea I heard was to just yeet a counterweight straight into the ground. Their system does not appear to have symmetrical exits though.
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Re:SpinLaunch completes first test flight with rocket-flingi... by bagels on Saturday November 13, 2021 @12:43AM (#29207728)
Seems like the simplest solution, throw it in to a hole in the ground.
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Re:SpinLaunch completes first test flight with rocket-flingi... by stevesearer on Saturday November 13, 2021 @01:58AM (#29207987)
Maybe they can redirect the ejected mass away from the launch site with a huge curved underground tube Mythbusters' style: https://www.youtube.com/watch?v=73FFitene58
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Re:SpinLaunch completes first test flight with rocket-flingi... by dvdkhlng on Saturday November 13, 2021 @09:34AM (#29209994)
Scott Manley talked on youtube about the centrifugal force on the wheel being around 10 thousand g (in the full sized version). So how do you build something that touches a tunnel at hypersonic velocity with many thousand tons of force without disintegrating? It's not like you can just add wheels or skates to your ejected mass (or the tunnel).
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Re:SpinLaunch completes first test flight with rocket-flingi... by jhgb on Saturday November 13, 2021 @01:28AM (#29207888)
It could work, assuming you can shield yourself from the inevitable explosion once that mass impacts something.
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