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KSP2 Release Notes
Everything posted by sh1pman
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Even with the booster, it can barely get to orbit. ~9700 m/s dV for the full stack without any payload, and certainly not enough to return and land. It needs Vac Raptors to be of any use for orbital testing. It's a prototype of orbital vehicle, at best.
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With this mass ratio it can’t get to orbit without the booster, even with Vac Raptors. So it’s more accurate to call Mk1 and Mk2 suborbital prototypes.
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Nice. They now need to attach the upper fins and stack it on the main body. 3 workdays left before the presentation. I really didn’t believe it when Elon said SS Mk1 would be ready before 28th, but they’re very close now...
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Rapiers aren’t nerfed in my game. My SSTOs perform just as well as they always have. Easily breaking 400 m/s barrier. Payload mass fraction at~40% (to orbit). Try adding more engines and removing some draggy parts.
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Possibly also swinging behind/around the Moon once or twice. This could take weeks.
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Deorbit burn is when empty SS is heading back to Earth from LEO. Then its exhaust will escape the Earth’s gravity well.
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Since they’re adding fins to Mk1, it’s safe to say that they’re going to test reentry with it. (Although, capturing carbon with trees or other plants is still not the best approach)
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Something Elon would probably do, move the village out of the way to Mars. Build a Boca Chica Colony there.
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totm dec 2019 Russian Launch and Mission Thread
sh1pman replied to tater's topic in Science & Spaceflight
The people responsible for the hole were given to FEDOR as test subjects for dual-wield gunfighting subroutine training. -
Granted. But as soon as you let go of that dollar, they will harm you. I wish humans could regenerate lost teeth.
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Jebs Junkyard and used rocket parts.
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Is K2-18b really a potentially habitable exoplanet?
sh1pman replied to ProtoJeb21's topic in Science & Spaceflight
Using atmospheric oxidizer for living is a new fancy trick that life on Earth started doing not that long ago. It’s useful, but not necessary. -
totm dec 2019 Russian Launch and Mission Thread
sh1pman replied to tater's topic in Science & Spaceflight
The newest one is Soyuz-2.1a. -
Is K2-18b really a potentially habitable exoplanet?
sh1pman replied to ProtoJeb21's topic in Science & Spaceflight
Why is it bad for the development of life? Maybe there's a liquid water ocean where heavier elements and ions are dissolved. Nitrogen and carbon would be much more difficult to get, but there could be geological sources. -
totm dec 2019 Russian Launch and Mission Thread
sh1pman replied to tater's topic in Science & Spaceflight
Wow, they’re still using the archaic Soyuz-FG. -
[New] Space Launch System / Orion Discussion Thread
sh1pman replied to ZooNamedGames's topic in Science & Spaceflight
Just test the weak parts. Docking rings and connections. Mass can be simulated with concrete blocks. -
[New] Space Launch System / Orion Discussion Thread
sh1pman replied to ZooNamedGames's topic in Science & Spaceflight
Fortunately, centrifuges exist. -
[New] Space Launch System / Orion Discussion Thread
sh1pman replied to ZooNamedGames's topic in Science & Spaceflight
I think the best mode of reusability for SLS would be SMART reuse like what ULA wanted for Vulcan. Take that engine section that was rotated today, add an inflatable heat shield+parachutes somewhere, decouple after upper stage separation. No need to reserve props, have fins or legs, or stage at lower velocity. -
Were you referring to me or to the person who asked him about reuse?
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ULA chief’s opinion on reusability is surprisingly similar to Rogozin’s explanation of why Roscosmos isn’t very interested in reusable rockets...
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Yea, there needs to be a source of essential amino acids. Potatoes have all of them, so you can survive on potatoes forever. You just need vitamin supplements and some minerals (mostly calcium) from some other source.
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totm dec 2019 Russian Launch and Mission Thread
sh1pman replied to tater's topic in Science & Spaceflight
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There’s 21 steel sections lying on the ground. Must be for the booster.
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No sane person would ever want to run the main combustion chamber oxygen-rich. It significantly lowers both Isp and thrust, because the exhaust gases are heavier. Real engines all run fuel-rich to some degree.
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Hmm. I see how an irreparably broken hydroponic farm may be a much, MUCH worse disaster than a plain old launch failure. The latter doesn’t force you to do unthinkable things.