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ELON: NO ONE HAS EVER CREATED A REUSABLE ORBITAL HEAT SHIELD "It has never been done before. Even with the shuttle’s heat shield, they would lose many of the tiles on every flight and have to refurbish the shield between each mission. No one has ever created a fully... show more

Mario Nawfal

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74,517 次观看 • 11 个月前 •via X (Twitter)

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ELON: NO ONE HAS EVER MADE A FULLY REUSABLE ORBITAL HEAT SHIELD "For full reusability of the ship, there's still a lot of work that remains on the heat shield. No one has ever made a fully reusable orbital heat shield. The shuttle heat shield had to go through nine months of repair after every flight." Source: The All-In Podcast

ELON: NO ONE HAS EVER MADE A FULLY REUSABLE ORBITAL HEAT SHIELD "For full reusability of the ship, there's still a lot of work that remains on the heat shield. No one has ever made a fully reusable orbital heat shield. The shuttle heat shield had to go through nine months of repair after every flight." Source: The All-In Podcast

Mario Nawfal

72,683 次观看 • 10 个月前

Elon Musk on reusable heat shield and Mars reentry: — No one has created a truly reusable orbital heat shield before — Reentry involves extreme heat and pressure — very hard to withstand — Only advanced ceramics and carbon-based materials can survive it — SpaceX aims to make the first fully reusable, reliable orbital heat shield... difficult but physically achievable — CO₂ plasma releases free oxygen, which can burn the heat shield — Testing is done in CO₂ to ensure it works for both Earth and Mars

Elon Musk on reusable heat shield and Mars reentry: — No one has created a truly reusable orbital heat shield before — Reentry involves extreme heat and pressure — very hard to withstand — Only advanced ceramics and carbon-based materials can survive it — SpaceX aims to make the first fully reusable, reliable orbital heat shield... difficult but physically achievable — CO₂ plasma releases free oxygen, which can burn the heat shield — Testing is done in CO₂ to ensure it works for both Earth and Mars

Dima Zeniuk

349,213 次观看 • 9 个月前

Solving the reusable heat shield is the single biggest problem Starship has~ Elon Musk

Solving the reusable heat shield is the single biggest problem Starship has~ Elon Musk

Ellie in Space 🚀💫

26,216 次观看 • 11 个月前

Elon Musk on reusable heat shields and Mars reentry: — No one has created a truly reusable orbital heat shield before — Reentry involves extreme heat and pressure — very hard to withstand — Only advanced ceramics and carbon-based materials can survive it — SpaceX aims to make the first fully reusable, reliable orbital heat shield... difficult but physically achievable — CO₂ plasma releases free oxygen, which can burn the heat shield — Testing is done in CO₂ to ensure it works for both Earth and Mars

Elon Musk on reusable heat shields and Mars reentry: — No one has created a truly reusable orbital heat shield before — Reentry involves extreme heat and pressure — very hard to withstand — Only advanced ceramics and carbon-based materials can survive it — SpaceX aims to make the first fully reusable, reliable orbital heat shield... difficult but physically achievable — CO₂ plasma releases free oxygen, which can burn the heat shield — Testing is done in CO₂ to ensure it works for both Earth and Mars

Dima Zeniuk

1,493,284 次观看 • 1 年前

Elon Musk on why a fully reusable orbital heat shield is one of the hardest problems in rocketry: “No one has ever developed a fully reusable orbital heat shield. When you come in from orbital velocity, you come in like a flaming meteor - a raging ball of fire. It’s hard to have a heat shield that doesn’t partially melt or get destroyed in that process” This is exactly the brutal challenge SpaceX is solving right now SpaceX now has the most advanced heat tiles in history. These continuous V3 upgrades ensure the thermal protection system survives extreme reentry without needing complete refurbishment between flights

Elon Musk on why a fully reusable orbital heat shield is one of the hardest problems in rocketry: “No one has ever developed a fully reusable orbital heat shield. When you come in from orbital velocity, you come in like a flaming meteor - a raging ball of fire. It’s hard to have a heat shield that doesn’t partially melt or get destroyed in that process” This is exactly the brutal challenge SpaceX is solving right now SpaceX now has the most advanced heat tiles in history. These continuous V3 upgrades ensure the thermal protection system survives extreme reentry without needing complete refurbishment between flights

X Freeze

95,042 次观看 • 3 个月前

Elon Musk on the fundamental breakthrough for humanity to become multi-planetary: Why building a fully reusable orbital heat shield is the hardest problem SpaceX must solve with Starship.

Elon Musk on the fundamental breakthrough for humanity to become multi-planetary: Why building a fully reusable orbital heat shield is the hardest problem SpaceX must solve with Starship.

Ian Miles Cheong

23,223 次观看 • 10 个月前

Elon Musk on Starship at X Takeover: • Starship is one of the hardest engineering challenges ever attempted — three times the thrust of Saturn V and fully reusable • Starship is late, but not impossible • The biggest current hurdle is developing a fully reusable orbital heat shield — something no one has done before • The long-term goal is to make Starship cheaper per ton than even an expendable Falcon 1 • Next major milestone: orbital refilling — transferring mostly liquid oxygen between Starships in space • No one else is seriously attempting this level of reusability or innovation in rocketry

Elon Musk on Starship at X Takeover: • Starship is one of the hardest engineering challenges ever attempted — three times the thrust of Saturn V and fully reusable • Starship is late, but not impossible • The biggest current hurdle is developing a fully reusable orbital heat shield — something no one has done before • The long-term goal is to make Starship cheaper per ton than even an expendable Falcon 1 • Next major milestone: orbital refilling — transferring mostly liquid oxygen between Starships in space • No one else is seriously attempting this level of reusability or innovation in rocketry

Dima Zeniuk

1,208,267 次观看 • 11 个月前

A truly reusable orbital heat shield has never been made, but I think SpaceX has a decent chance of solving it in 2025 and solving it well in 2026

A truly reusable orbital heat shield has never been made, but I think SpaceX has a decent chance of solving it in 2025 and solving it well in 2026

Elon Musk

33,200,410 次观看 • 1 年前

“The heat shield has to work.” NASA Administrator Jared Isaacman warns there is no backup plan for the reentry of Artemis II. The mission relies on a single heat shield, which he acknowledges has limitations. In the 1960s, NASA had plenty of backup hardware. But that’s not true today. So the heat shield has to work.

“The heat shield has to work.” NASA Administrator Jared Isaacman warns there is no backup plan for the reentry of Artemis II. The mission relies on a single heat shield, which he acknowledges has limitations. In the 1960s, NASA had plenty of backup hardware. But that’s not true today. So the heat shield has to work.

The Free Press

126,056 次观看 • 3 个月前

Elon Musk says one heat shield problem could kill Starship's reusability for years. Starship is the most complicated machine humans have ever built. The hardest part isn't the engines. It isn't the steel. It isn't even the explosion margin on liftoff. Musk named the one remaining bottleneck. "It's having the heat shield be reusable. No one's ever made a reusable orbital heat shield." The shield does two impossible jobs. "It's gotta make it through the ascent phase without shucking a bunch of tiles, and then it's gotta come back in and also not lose a bunch of tiles or overheat the main airframe." 40,000 tiles per ship. Musk reframed the consumable problem through brake pads: "Your brake pads in your car are also consumable, but they last a very long time." The shield must consume slowly. It must not require inspection between launches. Musk on the current state: "We have brought the ship back and had it do a soft landing in the ocean. But it lost a lot of tiles." A soft landing is not reusability. The bar is daily launches. One ship. Many flights. Musk, on the gap that's left: "You can't do this laborious inspection of 40,000 tiles type of thing." The first reusable heat shield in history is the last gate to Mars. If you're new here, GeniusThinking is a gallery for the greatest minds in economics, psychology, and history. Follow along for more similar content. — Elon Musk ( Elon Musk ), CEO of Tesla and SpaceX, on Dwarkesh Patel's ( Dwarkesh Patel ) podcast

Elon Musk says one heat shield problem could kill Starship's reusability for years. Starship is the most complicated machine humans have ever built. The hardest part isn't the engines. It isn't the steel. It isn't even the explosion margin on liftoff. Musk named the one remaining bottleneck. "It's having the heat shield be reusable. No one's ever made a reusable orbital heat shield." The shield does two impossible jobs. "It's gotta make it through the ascent phase without shucking a bunch of tiles, and then it's gotta come back in and also not lose a bunch of tiles or overheat the main airframe." 40,000 tiles per ship. Musk reframed the consumable problem through brake pads: "Your brake pads in your car are also consumable, but they last a very long time." The shield must consume slowly. It must not require inspection between launches. Musk on the current state: "We have brought the ship back and had it do a soft landing in the ocean. But it lost a lot of tiles." A soft landing is not reusability. The bar is daily launches. One ship. Many flights. Musk, on the gap that's left: "You can't do this laborious inspection of 40,000 tiles type of thing." The first reusable heat shield in history is the last gate to Mars. If you're new here, GeniusThinking is a gallery for the greatest minds in economics, psychology, and history. Follow along for more similar content. — Elon Musk ( Elon Musk ), CEO of Tesla and SpaceX, on Dwarkesh Patel's ( Dwarkesh Patel ) podcast

GeniusThinking

634,613 次观看 • 2 个月前

Elon Musk: For Starship to work, we still need to solve a problem that has never been solved by anyone. “What's the single biggest remaining problem for Starship? It's having the heat shield be reusable. No one has ever made a reusable orbital heat shield. The heat shield's got to make it through the ascent phase without shocking a bunch of tiles. And then it's going to come back in and also not lose a bunch of tiles or overheat the main airframe. Isn't that hard because it's kind of fundamentally a consumable. It just needs to last a very long time. We have brought the ship back and had it do a soft landing in the ocean. I've done that a few times. But it lost a lot of tiles. It was not reusable without a lot of work. So even though it did come to a soft landing, it would not have been reusable without a lot of work. So it's not really reusable in that sense. That's the biggest problem that remains. So if you want to be able to land it, refill propellant, and fly again, you can't do this laborious inspection of 40,000 tiles type of thing.” Interview with John Collison and Dwarkesh Patel, February 5, 2026

Elon Musk: For Starship to work, we still need to solve a problem that has never been solved by anyone. “What's the single biggest remaining problem for Starship? It's having the heat shield be reusable. No one has ever made a reusable orbital heat shield. The heat shield's got to make it through the ascent phase without shocking a bunch of tiles. And then it's going to come back in and also not lose a bunch of tiles or overheat the main airframe. Isn't that hard because it's kind of fundamentally a consumable. It just needs to last a very long time. We have brought the ship back and had it do a soft landing in the ocean. I've done that a few times. But it lost a lot of tiles. It was not reusable without a lot of work. So even though it did come to a soft landing, it would not have been reusable without a lot of work. So it's not really reusable in that sense. That's the biggest problem that remains. So if you want to be able to land it, refill propellant, and fly again, you can't do this laborious inspection of 40,000 tiles type of thing.” Interview with John Collison and Dwarkesh Patel, February 5, 2026

ELON CLIPS

40,975 次观看 • 4 个月前

Starship may need around 40,000 tiny heat-shield tiles. Why doesn’t SpaceX simply mold the heat shield into much larger integrated sections,or even one continuous shell? It could save enormous installation time and reduce the risk of individual tiles falling off. #starship #spacex

Starship may need around 40,000 tiny heat-shield tiles. Why doesn’t SpaceX simply mold the heat shield into much larger integrated sections,or even one continuous shell? It could save enormous installation time and reduce the risk of individual tiles falling off. #starship #spacex

Lunar Citizen

47,013 次观看 • 13 天前

Starship’s heat shield is one of the most advanced reusable tiles systems flying today Starship uses ~18,000 standardized hexagonal ceramic tiles on its windward side - minimizing unique parts and simplifying mass production The tiles are silica-based ceramics with a high-emissivity black coating, designed to survive extreme re-entry heat while radiating energy away Unlike the Space Shuttle, Starship’s tiles are mechanically pinned, not bonded.... allowing thermal expansion, fast replacement, and far better robustness The entire system is engineered for rapid reuse with minimal refurbishment, a requirement for high-flight-rate, fully reusable spacecraft The rockets that SpaceX is building are fully reusable Starships. When they re-enter Earth's atmosphere, they endure temperatures hotter than molten lava To handle this, the SpaceX team engineered a custom heat shield system SpaceX is building hundreds of Starships in parallel. This flap is getting its tiles installed right now

Starship’s heat shield is one of the most advanced reusable tiles systems flying today Starship uses ~18,000 standardized hexagonal ceramic tiles on its windward side - minimizing unique parts and simplifying mass production The tiles are silica-based ceramics with a high-emissivity black coating, designed to survive extreme re-entry heat while radiating energy away Unlike the Space Shuttle, Starship’s tiles are mechanically pinned, not bonded.... allowing thermal expansion, fast replacement, and far better robustness The entire system is engineered for rapid reuse with minimal refurbishment, a requirement for high-flight-rate, fully reusable spacecraft The rockets that SpaceX is building are fully reusable Starships. When they re-enter Earth's atmosphere, they endure temperatures hotter than molten lava To handle this, the SpaceX team engineered a custom heat shield system SpaceX is building hundreds of Starships in parallel. This flap is getting its tiles installed right now

X Freeze

59,903 次观看 • 5 个月前

Absolutely beautiful views via Starlink of the plasma field going over SpaceX's Starship rocket as it reenters Earth's atmosphere. So far, Starship's heat shield is holding up better than it ever has.

Absolutely beautiful views via Starlink of the plasma field going over SpaceX's Starship rocket as it reenters Earth's atmosphere. So far, Starship's heat shield is holding up better than it ever has.

Sawyer Merritt

51,212 次观看 • 9 个月前

Elon Musk perfectly explains why fully reusable orbital rockets are insanely hard to build Our Earth has quite strong gravity and thick atmosphere. With known physics, building a fully reusable orbital rocket is only barely possible "If this was a video game, the setting is 'Extreme Difficulty.' Not impossible, but extreme difficulty" Because the physics are so unforgiving, everything has to be perfect. You can't just have a "good" rocket You need: • Exceptionally efficient engines • An incredibly optimized, lightweight structure • Advanced avionics and software • A revolutionary, ultra-light heat shield for orbital reentry There is zero margin for error. This is why making life multi-planetary is the hardest engineering challenge in human history

Elon Musk perfectly explains why fully reusable orbital rockets are insanely hard to build Our Earth has quite strong gravity and thick atmosphere. With known physics, building a fully reusable orbital rocket is only barely possible "If this was a video game, the setting is 'Extreme Difficulty.' Not impossible, but extreme difficulty" Because the physics are so unforgiving, everything has to be perfect. You can't just have a "good" rocket You need: • Exceptionally efficient engines • An incredibly optimized, lightweight structure • Advanced avionics and software • A revolutionary, ultra-light heat shield for orbital reentry There is zero margin for error. This is why making life multi-planetary is the hardest engineering challenge in human history

X Freeze

953,645 次观看 • 3 个月前

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.”

Mario Nawfal

202,802 次观看 • 3 个月前

Stoke Space is developing a fully reusable rocket designed to reuse both its first and second stages. The first stage lands like Falcon 9, while the second stage returns to Earth after delivering its payload using a unique engine with 30 thrust chambers. Its actively cooled heat shield uses cryogenic fuel to protect the rocket during the intense heat of re-entry.

Stoke Space is developing a fully reusable rocket designed to reuse both its first and second stages. The first stage lands like Falcon 9, while the second stage returns to Earth after delivering its payload using a unique engine with 30 thrust chambers. Its actively cooled heat shield uses cryogenic fuel to protect the rocket during the intense heat of re-entry.

Space and Technology

40,032 次观看 • 15 天前

Why is half of the ship black and half of it is silver colored? that's because the bottom as seen from orbital entry is, has a heat shield on it. So the black there is the heat shield and then the core structure of the rocket is a special alloy of stainless steel and that's where you see the sort of shiny silver parts are stainless steel. The reason for steel over aluminum is that the heat of atmospheric entry and the heat of the rocket engines is enough to easily melt aluminum but steel is much more resilient against both a sand heating, but especially the re entry heating. And you don't have to paint it, which is actually very difficult at to paint a large object that is going through cry genetic cycles and have the paint stay on. It's quite challenging

Why is half of the ship black and half of it is silver colored? that's because the bottom as seen from orbital entry is, has a heat shield on it. So the black there is the heat shield and then the core structure of the rocket is a special alloy of stainless steel and that's where you see the sort of shiny silver parts are stainless steel. The reason for steel over aluminum is that the heat of atmospheric entry and the heat of the rocket engines is enough to easily melt aluminum but steel is much more resilient against both a sand heating, but especially the re entry heating. And you don't have to paint it, which is actually very difficult at to paint a large object that is going through cry genetic cycles and have the paint stay on. It's quite challenging

X Freeze

1,127,610 次观看 • 10 个月前

ELON MUSK: "Creating a fully reusable orbital rocket is one of the hottest engineering problems ever. It is a candidate for most difficult engineering project ever. SpaceX is the most talented group of rocket engineers ever assembled."

ELON MUSK: "Creating a fully reusable orbital rocket is one of the hottest engineering problems ever. It is a candidate for most difficult engineering project ever. SpaceX is the most talented group of rocket engineers ever assembled."

DogeDesigner

26,848 次观看 • 10 个月前