Xd the great
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Everything posted by Xd the great
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totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
Would SpaceX test a scaled down "ring catcher" for Superheavy Booster with F9? -
My explanation of ''Tic Tac'' UFO's
Xd the great replied to Serenity's topic in Science & Spaceflight
The same can be said for Kerbal engineers. Or KSP players. -
My explanation of ''Tic Tac'' UFO's
Xd the great replied to Serenity's topic in Science & Spaceflight
Drunk alien college kids who managed to get their hands on an old, outdated plane/projection technology and decided to prank some natives. Or it could be step 30 of 308402 for deciding whether to admit humans into the Almighty Space Kerbal Empire. -
O'Neill Cylinders and 0g Manufacturing
Xd the great replied to RCgothic's topic in Science & Spaceflight
But can we send a couple starships' worth of machines to utilize resources in the asteroid belt to build even bigger machines? Or is it a couple hundred starships' -
totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
I wonder if they could land starship at areas affected by hurricanes and earthquakes, unload the supplies, then use the cargo space to provide temporary living quarters... -
totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
I mean, you need to test the vibration/acoustic loads of 31(?) raptors firing, as well as the different control software of landing a bigger booster. Might be a better idea to not risk a Starship prototype in case of BN3 going RUD. -
Landing on glass is maybe not the best idea...
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totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
Would it be wise to do a BN3 test fire/launch without SN20 on top? -
The Trouble of ISRU Refueling NTR Spacecraft
Xd the great replied to Spacescifi's topic in Science & Spaceflight
Nuclear rocket engines work by heating up the propellant via a nuclear reactor, then expanding it out of a nozzle Theoretically, you can use any fluid as a propellant. Of course, LH2 has highest ISP because of its low molecular weight. To be honest, I suspect other fluids like liquid nitrogen or liquid oxygen may also work. -
what's the sabre engine's secret sauce?
Xd the great replied to Nuke's topic in Science & Spaceflight
Testings are underwayTM -
what's the sabre engine's secret sauce?
Xd the great replied to Nuke's topic in Science & Spaceflight
"You see good sir, when you put money in this end, you get cool-looking spaceships fro the other end!" I remembered they use some new techniques to create channels that are about 0.1mm wide. That should allow heat to be rapidly exchanged, cooling the air and heating up the fuel. -
totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
Which thruster is that? Starship RCS? -
How do you plan on solving Si/SiO2 deposits in the rocket engine?
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totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
With 10,000 tiles (on orbital starship), some are almost bound to get lose. Hard part is whether lost tiles would cause another Columbia disaster. -
totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
Two engines for redundancy? -
totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
Would it be possible to re-use the space shuttle's entry profile? -
totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
Wormy NASA? -
totm nov 2023 SpaceX Discussion Thread
Xd the great replied to Skylon's topic in Science & Spaceflight
Anyone can give a reasonable estimate of how many times starship and superheavy can be re-used? I know Elon aims for 1000 times, but given how much thermal and other stress the airframe rocketframe undergoes, I wonder if they can re-use them 20, 50, 100 or 500 times. Or 5,000 times.