iiinova — where your digital self keeps evolving

The mesh size, dickhead, is determined by the size of the ice chunks.

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ntrs.nasa.gov

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You keep tossing around "first principles analysis" like a parrot who has no clue what it's saying.

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The DC-X team was doing retropropulsion thirty years ago, dipshit.

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Franklin Ratliff @rocketplane.bsky.social · 14h

Concepts from the sixties by Douglas engineer Philip Bono for reentry and landing.

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Oh my god. You are such a fucking moron. Nobody, dipshit, builds a rocket until they've done the math.

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Franklin Ratliff @rocketplane.bsky.social · 15h

Rocket Propulsion Elements by George P. Sutton was first published in 1949. It is currently on its 11th edition. It has been used to train generations of rocket engineers. Not one fucking thing you said is described as "impractical" is even mentioned in the book.

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100 kg is only 220 lbs, dipshit. An RS-25 weigh 7,000 lbs. A heat exchanger, moron, accounts for only 3% of an RS-25's mass. "The mesh filters in the tank are several hundred kilograms." Where do you get that shit? What do you think the frames for the ice filters are made out of?

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You have no fucking clue what actual engineering is because you're too scared or stupid to read an actual rocketry textbook. That's why you say a lot of ignorant space cadet shit. Rocket engineering is MATH, dickhead. What do you think all those equations in Rocket Propulsion Elements are for?

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These dinky little cold gas thrusters can't do shit for precision rendezvous and docking.

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To maintain positive suction pressure and ensure bubble-free flow to the turbopumps during critical maneuvers like the landing flip or burn, SpaceX relies on high-pressure gas stored in onboard COPV cylinders.

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COPV Pressurization: When the main engines shut down (such as during coast phases, reentry, or prior to reignition for landing burns), autogenous gas generation stops and the remaining gas can cool or condense.

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The header tanks in the Starship and Super Heavy vehicles are pressurized primarily using autogenous (self-generated) pressurization during engine operation and Carbon Overwrapped Pressure Vessels (COPVs) storing high-pressure gas when engines are off.

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New Glenn uses heat exchangers, dipshit. You don't have the least fucking clue how much heat exchangers would weigh compared to the enormous heavy ice filters Starship currently needs because they're injecting combustion gases into cryogenic tanks.

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You have never read a rocketry textbook in your fucking life. You don't have the least fucking idea of what's in Rocket Propulsion Elements.

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servidor.demec.ufpr.br/CFD/bibliogr... Try reading a fucking book. Here's the gold standard in rocketry textbooks. Go to 6.5. TANK PRESSURIZATION.

servidor.demec.ufpr.br

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In New Glenn the system takes liquid propellant from the tanks (such as liquefied natural gas or liquid oxygen). The liquid propellant passes through heat exchangers or engine components where it is heated up and turned back into a high-pressure gas. NO COMBUSTION GASES SO NO WATER.

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You still talk like you think you're an equal in this conversation. All you know is the propaganda crap you get from following SpaceX.

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"It's tapped off from the preburner, so still about 97% pure O2." That dumb as fuck approach is why there's water in the gas that creates the ice requiring those gigantic ice filters and why nobody else -- including Blue Origin -- uses preburner tapoff for autogenous pressurization.

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Franklin Ratliff @rocketplane.bsky.social · 04/10/2026

We don't know shit about whether they can use header tanks. That's just speculation. It's still a garbage approach to performing the precision maneuvers needed for rendezvous and docking.

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Starship going into orbit without independent self-contained RCS/OMS is delusional, stupid, and dangerous. Just one split seam and that piece of crap rocket is instant space junk.

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Franklin Ratliff @rocketplane.bsky.social · 04/10/2026

All ESA has to do is spend some serious money.

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

Your default needs to be realizing you're not a peer in this conversation. Starship going into orbit without independent self-contained RCS/OMS is delusional, stupid, and dangerous. Just one split seam and that piece of crap rocket is instant space junk.

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

Tim Dud is a moron. To get ullage gas that won't make ice you use CH4 for the CH4 tanks and LOX for the LOX tanks and use heat exchangers heated by preburner exhaust to turn them into ullage gas. www.youtube.com/watch?v=LeKY...

Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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New Glenn, dipshit, uses pure propellant vapor not combustion gases for autogenous pressurization.

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

That is just horseshit and rationalizing bad design. They're losing engines because some dipshit thought it was a good idea to use combustion gases instead of pure propellant vapor for autogenous pressurization. New Glenn doesn't use combustion gases for autogenous pressurization.

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

Textbook perfect would be no engine losses. Every engine loss puts them one engine loss closer to mission failure. They didn't complete the planned number of orbits due to engine losses.

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

@ryancaton.co.uk @jfoust.bsky.social @antidr.bsky.social The sat deployment does absolutely nothing towards the HLS goals of this vehicle. Nothing at all. They do not have a reusable rocket. They do not have a lunar rocket or lander. They have an LEO sat dispenser. That's not what NASA bought.

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

@ryancaton.co.uk @antidr.bsky.social @jfoust.bsky.social Starship going into orbit without independent self-contained RCS/OMS is delusional, stupid, and dangerous.

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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SpaceX's stubbornly stupid use of combustion gases for autogenous pressurization still leads to ice clogging that results in the loss of the Super Heavy. www.youtube.com/watch?v=G8UP...

Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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SpaceX's stubbornly stupid use of combustion gases for autogenous pressurization still leads to ice clogging that results in the loss of the Super Heavy. www.youtube.com/watch?v=G8UP...

Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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SpaceX's stubbornly stupid use of combustion gases for autogenous pressurization still leads to ice clogging that results in the loss of the Super Heavy. www.youtube.com/watch?v=G8UP...

Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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SpaceX's stubbornly stupid use of combustion gases for autogenous pressurization still leads to ice clogging that results in the loss of the Super Heavy. www.youtube.com/watch?v=G8UP...

Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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SpaceX's stubbornly stupid use of combustion gases for autogenous pressurization still leads to ice clogging that results in the loss of the Super Heavy. www.youtube.com/watch?v=G8UP...

Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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SpaceX's stubbornly stupid use of combustion gases for autogenous pressurization still leads to ice clogging that results in the loss of the Super Heavy. www.youtube.com/watch?v=G8UP...

Franklin Ratliff @rocketplane.bsky.social · 03/10/2026

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@dsfpspacefl1ght.bsky.social @genejm1017.bsky.social @dom-o.bsky.social @newgen7267.bsky.social SpaceX's stubbornly stupid use of combustion gases for autogenous pressurization still leads to ice clogging that results in the loss of the Super Heavy. www.youtube.com/watch?v=G8UP...