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SpaceX’s Raptor 3 engine is sublime engineering • No basic heat shield needed → saves mass and dramatically boosts reliability • Small fuel leaks aren’t dangerous — they simply burn off safely in the open plasma • Major improvements in payload capacity, efficiency, and overall reliability • Radically simplified... show more

Tesla Owners Silicon Valley

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8,911,033 次观看 • 4 个月前 •via X (Twitter)

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Elon Musk on SpaceX's Raptor 3 — No basic heat shield needed, which saves mass and boosts reliability — Small fuel leaks aren’t dangerous — they burn off safely in open plasma — Huge improvements in payload, efficiency, and reliability — Simplified design with integrated electronics and fluid systems — So advanced, even experts thought it was not complete

Elon Musk on SpaceX's Raptor 3 — No basic heat shield needed, which saves mass and boosts reliability — Small fuel leaks aren’t dangerous — they burn off safely in open plasma — Huge improvements in payload, efficiency, and reliability — Simplified design with integrated electronics and fluid systems — So advanced, even experts thought it was not complete

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Elon Musk: Raptor 3 is kind of alien technology “Even industry experts, when we showed a picture of the Raptor 3, said, ‘That engine is not complete’” “Well, here’s the engine - not complete - firing at a level of efficiency that has never been achieved before” Raptor 3 is a massive leap forward in rocket engine design • No base heat shield required, saving huge mass and improving reliability • Fuel leaks are no longer catastrophic, they safely burn off in open plasma • Dramatically higher payload capacity and efficiency • Simpler design with fewer parts, but far more capability • Secondary fluid systems and electronics are integrated directly into the engine structure

Elon Musk: Raptor 3 is kind of alien technology “Even industry experts, when we showed a picture of the Raptor 3, said, ‘That engine is not complete’” “Well, here’s the engine - not complete - firing at a level of efficiency that has never been achieved before” Raptor 3 is a massive leap forward in rocket engine design • No base heat shield required, saving huge mass and improving reliability • Fuel leaks are no longer catastrophic, they safely burn off in open plasma • Dramatically higher payload capacity and efficiency • Simpler design with fewer parts, but far more capability • Secondary fluid systems and electronics are integrated directly into the engine structure

X Freeze

780,321 次观看 • 4 个月前

Elon Musk on Raptor 3 Engine: "Raptor 3 is designed to require no basic heat shield, saving a lot of mass on the bottom and actually improving reliability, so that if there is, for example, a small fuel leak from the Raptor engine, it will simply leak into the existing flaming plasma and not really matter, whereas a fuel leak when the engines are contained in a box is a very scary thing indeed. It will be a massive increase in payload capability, in engine efficiency and in reliability. So this is really a revolutionary engine. Raptor 3 is really, I'd say, kind of alien technology, rocket engine. So in order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself, so everything is contained and protected. It is a marvel of engineering."

Elon Musk on Raptor 3 Engine: "Raptor 3 is designed to require no basic heat shield, saving a lot of mass on the bottom and actually improving reliability, so that if there is, for example, a small fuel leak from the Raptor engine, it will simply leak into the existing flaming plasma and not really matter, whereas a fuel leak when the engines are contained in a box is a very scary thing indeed. It will be a massive increase in payload capability, in engine efficiency and in reliability. So this is really a revolutionary engine. Raptor 3 is really, I'd say, kind of alien technology, rocket engine. So in order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself, so everything is contained and protected. It is a marvel of engineering."

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Elon: Raptor 3 skips the base heat shield entirely “Raptor 3 is designed to require no base heat shield, saving a lot of mass on the bottom and actually improving reliability. So that if, for example, there is a small fuel leak from the Raptor engine, it will simply leak into the existing flaming plasma and not really matter.”

Elon: Raptor 3 skips the base heat shield entirely “Raptor 3 is designed to require no base heat shield, saving a lot of mass on the bottom and actually improving reliability. So that if, for example, there is a small fuel leak from the Raptor engine, it will simply leak into the existing flaming plasma and not really matter.”

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Elon Musk: Raptor 3 is alien technology. “Raptor 3 is a massive increase in payload capability, in engine efficiency, and in reliability. This is really a revolutionary engine. Raptor 3 is really kind of an alien technology rocket engine. Even industry experts, when we showed a picture of the Raptor 3, said, that engine is not complete. Then we said, here's the engine, not complete, firing at a level of efficiency that has never been achieved before. That is one clean engine. In order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself so everything is contained and protected. It is a marvel of engineering, frankly.” From: SpaceX Update, May 27, 2025

Elon Musk: Raptor 3 is alien technology. “Raptor 3 is a massive increase in payload capability, in engine efficiency, and in reliability. This is really a revolutionary engine. Raptor 3 is really kind of an alien technology rocket engine. Even industry experts, when we showed a picture of the Raptor 3, said, that engine is not complete. Then we said, here's the engine, not complete, firing at a level of efficiency that has never been achieved before. That is one clean engine. In order to make the engine like that, we had to simplify so many parts of the design, incorporate secondary fluid circuits and electronics in the structure of the engine itself so everything is contained and protected. It is a marvel of engineering, frankly.” From: SpaceX Update, May 27, 2025

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Raptor 3: The Most Advanced Rocket Engine Ever Raptor 3 is SpaceX’s latest evolution — the best rocket engine ever made. Key upgrades: • No external heat shield (full regenerative cooling) • Record thrust-to-weight ratio • Simplified design with fewer parts for faster production & higher reliability Elon Musk: “Raptor 3 engine is a very advanced engine, by far the best rocket engine ever made.” It powers Starship V3/V4 toward 10,000+ tons thrust and rapid reusability — the key to Mars.

Raptor 3: The Most Advanced Rocket Engine Ever Raptor 3 is SpaceX’s latest evolution — the best rocket engine ever made. Key upgrades: • No external heat shield (full regenerative cooling) • Record thrust-to-weight ratio • Simplified design with fewer parts for faster production & higher reliability Elon Musk: “Raptor 3 engine is a very advanced engine, by far the best rocket engine ever made.” It powers Starship V3/V4 toward 10,000+ tons thrust and rapid reusability — the key to Mars.

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SpaceX’s new Raptor 3 is the most advanced rocket engine ever built Key upgrades over earlier Raptors: • Nearly double the thrust compared to Raptor 1 • About 4× cheaper to manufacture, dramatically lowering launch costs • A simplified design that saves over 40 metric tons of mass per Starship launch • Durable enough to eliminate the need for an external heat shield, reducing complexity and maintenance Raptor 3 is designed to fly on Starship Version 3, with first flight targeted for early 2026

SpaceX’s new Raptor 3 is the most advanced rocket engine ever built Key upgrades over earlier Raptors: • Nearly double the thrust compared to Raptor 1 • About 4× cheaper to manufacture, dramatically lowering launch costs • A simplified design that saves over 40 metric tons of mass per Starship launch • Durable enough to eliminate the need for an external heat shield, reducing complexity and maintenance Raptor 3 is designed to fly on Starship Version 3, with first flight targeted for early 2026

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RAPTOR 3: THE MOST ADVANCED ROCKET ENGINE EVER BUILT – ELON MUSK ON ITS INSANE POWER & PRECISION Raptor 3 is SpaceX’s latest evolution of the methane-fueled, full-flow staged combustion engine powering Starship. It’s a massive leap in design: fully integrated regenerative cooling (no external heat shield needed), simplified architecture with far fewer parts, record thrust-to-weight ratio, higher chamber pressure, and dramatically improved reliability—all while pushing thrust targets well beyond previous versions. This engine is what makes Starship V3/V4 the most powerful rocket system in history, capable of rapid reusability and the massive payload/fleet cadence required for Mars colonization. Elon Musk on Raptor 3’s mind-blowing scale and precision: “Raptor 3 engine is very advanced engine, by far the best rocket engine ever made. On liftoff, Starship is generating over 100 gigawatts of power. It’s 20% of US, while not exploding. There’s thousands of ways it could explode and only one way that it doesn’t.” Key highlights of Raptor 3: •Extreme power density — A single Starship stack with 33 sea-level + vacuum Raptors produces more power than entire power plants—over 100 GW at liftoff—equivalent to ~20% of the entire U.S. electrical grid’s output, yet it stays intact. •No heat shield — Full regenerative cooling channels through the engine structure eliminate the need for external shielding, slashing complexity, weight, and refurbishment time. •Simplified & reliable — Fewer joints, integrated plumbing, and stainless-steel construction make it easier to build at scale and more tolerant of the extreme conditions of launch, reentry, and reuse. •Path to Mars — Higher thrust, better Isp, and rapid turnaround enable orbital refueling, heavy-lift Moon missions, and the hundreds of flights needed to bootstrap a self-sustaining city on Mars. Raptor 3 isn’t incremental—it’s the engine that turns “possible” into “routine” for interplanetary travel. Every test fire brings us closer to the day Starship fleets launch daily. Which Raptor 3 breakthrough hits hardest—the 100 GW liftoff power, the shield-less design, or the sheer engineering precision to avoid exploding? Let’s keep igniting the future. 🚀🔥🛠️

RAPTOR 3: THE MOST ADVANCED ROCKET ENGINE EVER BUILT – ELON MUSK ON ITS INSANE POWER & PRECISION Raptor 3 is SpaceX’s latest evolution of the methane-fueled, full-flow staged combustion engine powering Starship. It’s a massive leap in design: fully integrated regenerative cooling (no external heat shield needed), simplified architecture with far fewer parts, record thrust-to-weight ratio, higher chamber pressure, and dramatically improved reliability—all while pushing thrust targets well beyond previous versions. This engine is what makes Starship V3/V4 the most powerful rocket system in history, capable of rapid reusability and the massive payload/fleet cadence required for Mars colonization. Elon Musk on Raptor 3’s mind-blowing scale and precision: “Raptor 3 engine is very advanced engine, by far the best rocket engine ever made. On liftoff, Starship is generating over 100 gigawatts of power. It’s 20% of US, while not exploding. There’s thousands of ways it could explode and only one way that it doesn’t.” Key highlights of Raptor 3: •Extreme power density — A single Starship stack with 33 sea-level + vacuum Raptors produces more power than entire power plants—over 100 GW at liftoff—equivalent to ~20% of the entire U.S. electrical grid’s output, yet it stays intact. •No heat shield — Full regenerative cooling channels through the engine structure eliminate the need for external shielding, slashing complexity, weight, and refurbishment time. •Simplified & reliable — Fewer joints, integrated plumbing, and stainless-steel construction make it easier to build at scale and more tolerant of the extreme conditions of launch, reentry, and reuse. •Path to Mars — Higher thrust, better Isp, and rapid turnaround enable orbital refueling, heavy-lift Moon missions, and the hundreds of flights needed to bootstrap a self-sustaining city on Mars. Raptor 3 isn’t incremental—it’s the engine that turns “possible” into “routine” for interplanetary travel. Every test fire brings us closer to the day Starship fleets launch daily. Which Raptor 3 breakthrough hits hardest—the 100 GW liftoff power, the shield-less design, or the sheer engineering precision to avoid exploding? Let’s keep igniting the future. 🚀🔥🛠️

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