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Catapult to Orbit - SpinLaunch

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Once Breaking Ground has seen the light, people start building real-life space catapults...

 

30 minutes ago, natsirt721 said:

SpinLaunch employs a rotational acceleration method, harnessing angular momentum to gradually accelerate the vehicle to hypersonic speeds. This approach employs a dramatically lower cost architecture with much lower power.”

They prefer proven technologies.
 

Spoiler

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Definitely a dubious prospect. The engineering challenges are a huge hurdle and even after you solve them, the things it could launch force them into a pretty small niche. It does have one advantage over a lot of other non-rocket space launch systems: you can conceivably change your launch azimuth. A gun or linear accelerator approach would almost certainly be a fixed installation, but this one could change the release point or even rotate the whole launch system into the proper orientation (since it must be movable). Still like most non-rocket space launch systems it probably makes a lot more sense on an airless moon where you don't have an atmosphere in the way and you can scale down the system to something you can practically build because the orbital velocities are lower.

Scott Manley did a video on them about a year ago. No huge surprise that a lot of the potential problems mentioned earlier in the thread were brought up, but he added few more and threw in a little bit of interesting history relevant to the topic.

 

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Oh, these guys again!

A problem not yet covered is that they plan to instantly go from “vacuum” to “high Mach at sea level”.

That’s not particularly survivable.

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7 hours ago, DDE said:

Oh, these guys again!

A problem not yet covered is that they plan to instantly go from “vacuum” to “high Mach at sea level”.

That’s not particularly survivable.

Its gonna get hot!!!!

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