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Elon Musk breaks down the first-principles math that told him rockets were massively overpriced "How much should a rocket cost? The typical approach people take is they look historically at what rockets cost and assume any new rocket must be similar to the prior cost" "A first-principles approach: you...

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Jaynit

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28,509 просмотров • 4 дней назад •via X (Twitter)

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Walter Isaacson explains exactly how Elon Musk uses first principles thinking to build rockets: When young Elon wanted to send people to space, he first tried buying used rockets from Russia. They jacked him around - it didn’t work So he went back to first principles. He asked: Exactly how much does each material in a rocket cost? How much is the Inconel? How much is the carbon fiber? How much is the fuel? What’s the total cost of the raw materials compared to the price of a finished rocket? That’s first principles He realized: if he could cut manufacturing costs by a factor of 10, he could actually build affordable rockets Same mindset at Tesla: someone says “we need this patch of felt at the bottom of the car” and Elon replies, “Tell me the principles of physics that make that true” Isaacson notes: America used to be a nation of risk-takers. Now we have more referees, guardrails, and lawyers saying “that’s probably not a good idea” than people willing to shoot off a rocket Elon wants to calculate the risk and then actually take it This is why SpaceX exists. This is how impossible things get done
1:32

Walter Isaacson explains exactly how Elon Musk uses first principles thinking to build rockets: When young Elon wanted to send people to space, he first tried buying used rockets from Russia. They jacked him around - it didn’t work So he went back to first principles. He asked: Exactly how much does each material in a rocket cost? How much is the Inconel? How much is the carbon fiber? How much is the fuel? What’s the total cost of the raw materials compared to the price of a finished rocket? That’s first principles He realized: if he could cut manufacturing costs by a factor of 10, he could actually build affordable rockets Same mindset at Tesla: someone says “we need this patch of felt at the bottom of the car” and Elon replies, “Tell me the principles of physics that make that true” Isaacson notes: America used to be a nation of risk-takers. Now we have more referees, guardrails, and lawyers saying “that’s probably not a good idea” than people willing to shoot off a rocket Elon wants to calculate the risk and then actually take it This is why SpaceX exists. This is how impossible things get done

X Freeze

718,939 просмотров • 4 месяцев назад

Elon Musk explains how to get startup ideas When asked how he comes up with startup ideas, Elon responds: “I tend to think of things from a sort of physics standpoint… what’s the best way to accomplish something? And then pursue that. That’s also a good way to determine if something’s far from its optimum.” He gives rockets as an example: “You could reason by analogy and say the rocket is going to cost a certain amount because that’s what prior rockets have cost. Or you can say, well, what is a rocket made of? What are the material constituents? What do they weigh? What’s the cost per unit mass? And that sets the limit asymptotically for what a rocket can be. So if you can figure out some creative way to rearrange those elements into a rocket shape, then you can achieve a much better outcome.” He also thinks combining ideas from different industries is really helpful for innovation: “What have people discovered in one industry and can that be applied to other industries? That’s I think also a great source of ideas. But usually you just struggle on a solution and try a bunch of things. Most of them don’t work and occasionally one does.” Source: VANITY FAIR (Oct 2014)
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Elon Musk explains how to get startup ideas When asked how he comes up with startup ideas, Elon responds: “I tend to think of things from a sort of physics standpoint… what’s the best way to accomplish something? And then pursue that. That’s also a good way to determine if something’s far from its optimum.” He gives rockets as an example: “You could reason by analogy and say the rocket is going to cost a certain amount because that’s what prior rockets have cost. Or you can say, well, what is a rocket made of? What are the material constituents? What do they weigh? What’s the cost per unit mass? And that sets the limit asymptotically for what a rocket can be. So if you can figure out some creative way to rearrange those elements into a rocket shape, then you can achieve a much better outcome.” He also thinks combining ideas from different industries is really helpful for innovation: “What have people discovered in one industry and can that be applied to other industries? That’s I think also a great source of ideas. But usually you just struggle on a solution and try a bunch of things. Most of them don’t work and occasionally one does.” Source: VANITY FAIR (Oct 2014)

Startup Archive

33,984 просмотров • 1 месяц назад

ELON MUSK: "A lot of people don't realize the difference between an expandable rocket and a reusable rocket is like 10,000%. You can think it's like the difference between what is the cost to fill up a car versus buying a new car."
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ELON MUSK: "A lot of people don't realize the difference between an expandable rocket and a reusable rocket is like 10,000%. You can think it's like the difference between what is the cost to fill up a car versus buying a new car."

DogeDesigner

81,890 просмотров • 1 год назад

The reason why Elon Musk started working on reusable rockets "I started reading quite a bit about rockets to try and understand why they're so freaking expensive If one could make them reusable like airplanes, then the cost of rocketry would drop dramatically The cost of the fuel was maybe anywhere from 0.2% to 0.5% of the cost of the rocket I came to the conclusion that there wasn't really a good reason for rockets to be so expensive and that they could be a lot less even in an expendable format "Nobody had really been able to make a reusable rocket work... but if we can do that, then that would really be the key breakthrough" - Elon Musk
1:20

The reason why Elon Musk started working on reusable rockets "I started reading quite a bit about rockets to try and understand why they're so freaking expensive If one could make them reusable like airplanes, then the cost of rocketry would drop dramatically The cost of the fuel was maybe anywhere from 0.2% to 0.5% of the cost of the rocket I came to the conclusion that there wasn't really a good reason for rockets to be so expensive and that they could be a lot less even in an expendable format "Nobody had really been able to make a reusable rocket work... but if we can do that, then that would really be the key breakthrough" - Elon Musk

X Freeze

458,307 просмотров • 5 месяцев назад

Elon Musk: I started reading about rockets to understand why they're so freaking expensive. “I started reading quite a bit about rockets to try to understand why they're so freaking expensive. Where does the $60 million go for the Delta II? Now Delta II, I think, is $100 million or something, some crazy number. And Delta II is a relatively small rocket. If you go to one of the bigger rockets, it's anywhere from $200 to $400 million. Anyway, so I came to the conclusion that there wasn't really a good reason for rockets to be so expensive, and that they could be a lot less. Even in an expendable format, they could be less. And that if one could make them reusable, like airplanes, then the cost of rocketry would drop dramatically, the cost of space travel would drop dramatically. Because the cost of the fuel was maybe anywhere from 0.2% to 0.5% of the cost of the rocket. It's like a plane. How much is the cost of the fuel in the plane versus the plane itself? It's at least a two-order-of-magnitude difference. But nobody had really been able to make a reusable rocket work. So I thought, if we can do that, then that would really be the key breakthrough for space travel.” Interview at the Computer History Museum, 2013
1:20

Elon Musk: I started reading about rockets to understand why they're so freaking expensive. “I started reading quite a bit about rockets to try to understand why they're so freaking expensive. Where does the $60 million go for the Delta II? Now Delta II, I think, is $100 million or something, some crazy number. And Delta II is a relatively small rocket. If you go to one of the bigger rockets, it's anywhere from $200 to $400 million. Anyway, so I came to the conclusion that there wasn't really a good reason for rockets to be so expensive, and that they could be a lot less. Even in an expendable format, they could be less. And that if one could make them reusable, like airplanes, then the cost of rocketry would drop dramatically, the cost of space travel would drop dramatically. Because the cost of the fuel was maybe anywhere from 0.2% to 0.5% of the cost of the rocket. It's like a plane. How much is the cost of the fuel in the plane versus the plane itself? It's at least a two-order-of-magnitude difference. But nobody had really been able to make a reusable rocket work. So I thought, if we can do that, then that would really be the key breakthrough for space travel.” Interview at the Computer History Museum, 2013

ELON CLIPS

1,208,721 просмотров • 1 год назад

Elon Musk explains his idea generation process in 2 minutes: "I tend to think of things from a physics standpoint, from a first principles standpoint. What would be the best way to accomplish something? And then pursue that." Elon explains how this reveals hidden opportunities: "That's also a good way to determine if something is far from its optimum. On rockets, for example, you could reason by analogy and say the rocket's gonna cost a certain amount because that's what prior rockets have cost. Or you can say: What is a rocket made of? What are the material constituents? What do they weigh? What's the cost per unit mass? That sets the limit asymptotically for what a rocket can be. So if you can figure out some creative way to rearrange those elements into a rocket shape, you can achieve a much better outcome." He shares a second source of ideas: "Combining ideas from different industries is really helpful for innovation. What have people discovered in one industry that can be applied to other industries? That's a great source of ideas." Elon also explains why he started with software: "The great thing about software or anything which just involves intellectual capital is that you and a few friends can just do it. That's why doing some sort of internet thing is great as an initial company. That's why Zip2 and PayPal gave me the capital to attempt more capital-intensive activities." He concludes: "Usually you just struggle on a solution. You try a bunch of things. Most of them don't work. Occasionally one does."
2:23

Elon Musk explains his idea generation process in 2 minutes: "I tend to think of things from a physics standpoint, from a first principles standpoint. What would be the best way to accomplish something? And then pursue that." Elon explains how this reveals hidden opportunities: "That's also a good way to determine if something is far from its optimum. On rockets, for example, you could reason by analogy and say the rocket's gonna cost a certain amount because that's what prior rockets have cost. Or you can say: What is a rocket made of? What are the material constituents? What do they weigh? What's the cost per unit mass? That sets the limit asymptotically for what a rocket can be. So if you can figure out some creative way to rearrange those elements into a rocket shape, you can achieve a much better outcome." He shares a second source of ideas: "Combining ideas from different industries is really helpful for innovation. What have people discovered in one industry that can be applied to other industries? That's a great source of ideas." Elon also explains why he started with software: "The great thing about software or anything which just involves intellectual capital is that you and a few friends can just do it. That's why doing some sort of internet thing is great as an initial company. That's why Zip2 and PayPal gave me the capital to attempt more capital-intensive activities." He concludes: "Usually you just struggle on a solution. You try a bunch of things. Most of them don't work. Occasionally one does."

Jaynit

31,845 просмотров • 6 месяцев назад

Elon Musk: Starship 3 will cost less per flight than Falcon 1 but has 400 times the payload. “One of the most profound things is that Starship 3 will cost less per flight than Falcon 1. That's the difference between a fully reusable rocket or an expendable rocket. The fully reusable rocket with low-cost propellant and autogenous pressurization actually costs less than a tiny expendable rocket. Falcon 1 is about half a ton to orbit. The Starship 3 will be 400 times more payload for less than the cost of a Falcon 1. Ultimately, I think we might be able to get the cost per flight to Earth orbit down to around $2 or $3 million. These are unthinkable numbers. Nobody ever thought this was possible but we're not breaking any physics to achieve this.” SpaceX Update, April 4, 2024
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Elon Musk: Starship 3 will cost less per flight than Falcon 1 but has 400 times the payload. “One of the most profound things is that Starship 3 will cost less per flight than Falcon 1. That's the difference between a fully reusable rocket or an expendable rocket. The fully reusable rocket with low-cost propellant and autogenous pressurization actually costs less than a tiny expendable rocket. Falcon 1 is about half a ton to orbit. The Starship 3 will be 400 times more payload for less than the cost of a Falcon 1. Ultimately, I think we might be able to get the cost per flight to Earth orbit down to around $2 or $3 million. These are unthinkable numbers. Nobody ever thought this was possible but we're not breaking any physics to achieve this.” SpaceX Update, April 4, 2024

ELON CLIPS

29,437,361 просмотров • 1 год назад

How a single, obvious question led Elon Musk to create SpaceX and changed space travel forever: “I came to the conclusion that there wasn’t really a good reason for rockets to be so expensive, and that they could be a lot less Even in an expendable format they could be less" From day one, Elon's mission has been crystal clear: make rockets fully reusable, just like commercial airplanes "The cost of space travel would drop dramatically, because the cost of the fuel was maybe anywhere from 0.2 to 0.5 percent of the cost of the rocket But nobody had really been able to make a reusable rocket work. So I thought, ‘Okay, if we can do that, then that would really be the key breakthrough for space travel’”
0:53

How a single, obvious question led Elon Musk to create SpaceX and changed space travel forever: “I came to the conclusion that there wasn’t really a good reason for rockets to be so expensive, and that they could be a lot less Even in an expendable format they could be less" From day one, Elon's mission has been crystal clear: make rockets fully reusable, just like commercial airplanes "The cost of space travel would drop dramatically, because the cost of the fuel was maybe anywhere from 0.2 to 0.5 percent of the cost of the rocket But nobody had really been able to make a reusable rocket work. So I thought, ‘Okay, if we can do that, then that would really be the key breakthrough for space travel’”

X Freeze

14,066 просмотров • 4 месяцев назад

ELON: SOMEONE HAS TO SOLVE ROCKET REUSABILITY — WHETHER IT’S SPACEX OR SOMEONE ELSE “The cost of the fuel and oxygen on a Falcon 9 is 0.3% of the cost of the rocket. So, it's a very tiny number. It's very similar to an airplane. How much does it cost to fuel up an airplane, and how much does it cost to buy an airplane? They're very different things. If humanity is ever to expand beyond Earth and establish a self-sustaining base on another planet, it's critical that we solve this problem. Whether it's SpaceX or someone else, someone has to solve the problem, and we can have a hundred-fold reduction in the cost of spaceflight. That's what SpaceX has been trying to do, and really that's been the goal since the beginning of the company. So far, I've not been very successful in that regard, but I think we have a handle on it. We've got a design that closes in the simulations. If we can build that thing, it should work.” Source: SXSW, March 2013
0:58

ELON: SOMEONE HAS TO SOLVE ROCKET REUSABILITY — WHETHER IT’S SPACEX OR SOMEONE ELSE “The cost of the fuel and oxygen on a Falcon 9 is 0.3% of the cost of the rocket. So, it's a very tiny number. It's very similar to an airplane. How much does it cost to fuel up an airplane, and how much does it cost to buy an airplane? They're very different things. If humanity is ever to expand beyond Earth and establish a self-sustaining base on another planet, it's critical that we solve this problem. Whether it's SpaceX or someone else, someone has to solve the problem, and we can have a hundred-fold reduction in the cost of spaceflight. That's what SpaceX has been trying to do, and really that's been the goal since the beginning of the company. So far, I've not been very successful in that regard, but I think we have a handle on it. We've got a design that closes in the simulations. If we can build that thing, it should work.” Source: SXSW, March 2013

Mario Nawfal

2,652,416 просмотров • 1 год назад

“Elon Musk has, you know, encountered this in spades when he first started this idea of reusable rockets. People were laughing him off the stage... But it took a lot of money to break through. And part of the reason is because there were a lot of people getting very rich at building a rocket to go to space and then burning that rocket up and having to build a whole new rocket... Congress would come to me and say, Steve, see, you're wrong. Elon Musk blew up a rocket... and he's a fool. And we're not going to give him any money. But they were listening to lobbyists saying Elon Musk is a risk.”
11:57

“Elon Musk has, you know, encountered this in spades when he first started this idea of reusable rockets. People were laughing him off the stage... But it took a lot of money to break through. And part of the reason is because there were a lot of people getting very rich at building a rocket to go to space and then burning that rocket up and having to build a whole new rocket... Congress would come to me and say, Steve, see, you're wrong. Elon Musk blew up a rocket... and he's a fool. And we're not going to give him any money. But they were listening to lobbyists saying Elon Musk is a risk.”

Shawn Ryan

64,521 просмотров • 1 год назад

In 2002, Elon Musk tried to buy a rocket. The Russians quoted him $8 million per unit. American aerospace companies wanted over $65 million. He walked away from both. On the flight home, he opened a spreadsheet and broke down the raw materials. Aerospace-grade aluminum. Titanium. Copper. Carbon fiber. He priced each on the commodity market. The total came to roughly 2% of what the industry was charging. That gap is what first principles thinking actually looks like. Not "how do we negotiate a better deal." Not "who else sells rockets." Just: what is this thing actually made of, and why does it cost what it costs? The answer was overhead. Legacy processes. Layers of contractors and subcontractors. Margins stacked on margins. Nobody had questioned the price because nobody had questioned the structure. Musk decided to build it himself. The first Falcon 1 exploded 33 seconds after launch. The second made it further but failed to reach orbit. The third exploded too. Three rockets. Three failures. SpaceX was almost out of money. Musk put his last $35 million into the company. If the fourth launch failed, that was it. September 28, 2008. Falcon 1 Flight 4 reached orbit. First privately developed liquid fuel rocket to ever do it. Seven years later, they landed a booster back on Earth for the first time. Now they do it routinely. The cost per launch dropped from $65 million to under $3 million for a reused Falcon 9 booster. Everyone else was reasoning by analogy: rockets are expensive because rockets have always been expensive. Musk reasoned from atoms: rockets are expensive because nobody rebuilt the system from the ground up.
1:14

In 2002, Elon Musk tried to buy a rocket. The Russians quoted him $8 million per unit. American aerospace companies wanted over $65 million. He walked away from both. On the flight home, he opened a spreadsheet and broke down the raw materials. Aerospace-grade aluminum. Titanium. Copper. Carbon fiber. He priced each on the commodity market. The total came to roughly 2% of what the industry was charging. That gap is what first principles thinking actually looks like. Not "how do we negotiate a better deal." Not "who else sells rockets." Just: what is this thing actually made of, and why does it cost what it costs? The answer was overhead. Legacy processes. Layers of contractors and subcontractors. Margins stacked on margins. Nobody had questioned the price because nobody had questioned the structure. Musk decided to build it himself. The first Falcon 1 exploded 33 seconds after launch. The second made it further but failed to reach orbit. The third exploded too. Three rockets. Three failures. SpaceX was almost out of money. Musk put his last $35 million into the company. If the fourth launch failed, that was it. September 28, 2008. Falcon 1 Flight 4 reached orbit. First privately developed liquid fuel rocket to ever do it. Seven years later, they landed a booster back on Earth for the first time. Now they do it routinely. The cost per launch dropped from $65 million to under $3 million for a reused Falcon 9 booster. Everyone else was reasoning by analogy: rockets are expensive because rockets have always been expensive. Musk reasoned from atoms: rockets are expensive because nobody rebuilt the system from the ground up.

Peak Thinkers

160,557 просмотров • 3 месяцев назад

🚀 Starship will be the 1st fully reusable orbital rocket in history. Liquid oxygen, liquid methane, and a cost-per-launch that could drop below trans-oceanic air freight. Elon put it simply: "The cost of access to orbit is just the cost of propellant." If that holds, the economics of space will get rewritten entirely. Source: SpaceX, Elon Musk
1:43

🚀 Starship will be the 1st fully reusable orbital rocket in history. Liquid oxygen, liquid methane, and a cost-per-launch that could drop below trans-oceanic air freight. Elon put it simply: "The cost of access to orbit is just the cost of propellant." If that holds, the economics of space will get rewritten entirely. Source: SpaceX, Elon Musk

Mario Nawfal

51,520 просмотров • 2 месяцев назад

Elon Musk: Starship is next-level. It's the first rocket that can take us to Mars. “Starship is the most complex and advanced rocket that's ever been made by, I don't know, an order of magnitude or something like that. It's a lot. It's really next-level. The fundamental optimization of Starship is minimizing cost per ton to orbit and ultimately cost per ton to the surface of Mars. This may seem like a mercantile objective, but it is actually the thing that needs to be optimized. There is a certain cost per ton to the surface of Mars where we can afford to establish a self-sustaining city, and then above that we cannot afford to do it. Right now, you couldn't fly to Mars for a trillion dollars. No amount of money could get you a ticket to Mars. So, we need to get that to something that is actually possible at all.” From: Interview with Lex Fridman, December 28, 2021
0:53

Elon Musk: Starship is next-level. It's the first rocket that can take us to Mars. “Starship is the most complex and advanced rocket that's ever been made by, I don't know, an order of magnitude or something like that. It's a lot. It's really next-level. The fundamental optimization of Starship is minimizing cost per ton to orbit and ultimately cost per ton to the surface of Mars. This may seem like a mercantile objective, but it is actually the thing that needs to be optimized. There is a certain cost per ton to the surface of Mars where we can afford to establish a self-sustaining city, and then above that we cannot afford to do it. Right now, you couldn't fly to Mars for a trillion dollars. No amount of money could get you a ticket to Mars. So, we need to get that to something that is actually possible at all.” From: Interview with Lex Fridman, December 28, 2021

ELON CLIPS

1,190,681 просмотров • 11 месяцев назад

Elon Musk on Starship today: "The fundamental breakthrough of Starship is that it will be the first orbital rocket that is fully reusable, so this might sound like an obvious thing, but because in every other mode of transport, whether that's aircraft, cars, bicycles, horses, ships, these are all we take it for granted that they are reusable, an aircraft journey would be very expensive if you had to throw the plane away every time, and that's how rockets have been in the past, but it's very difficult from a technology standpoint to achieve full reusability for a rocket. We've got part of the way there with Falcon 9, but we'll get all the way there with Starship, and once you achieve full reusability, then it's simply a cost of access to orbit is just the cost of propellant, because now you can reuse all aspects of the vehicle, and the propellant we used for Starship is liquid oxygen and liquid methane, which is the cheapest propellant you could possibly get. The cost of propellant for Starship will be less than the cost of jet aviation fuel, which means that you should be able to actually send cargo to space for less than the cost of cargo on an airplane going on a transoceanic trip."
1:27

Elon Musk on Starship today: "The fundamental breakthrough of Starship is that it will be the first orbital rocket that is fully reusable, so this might sound like an obvious thing, but because in every other mode of transport, whether that's aircraft, cars, bicycles, horses, ships, these are all we take it for granted that they are reusable, an aircraft journey would be very expensive if you had to throw the plane away every time, and that's how rockets have been in the past, but it's very difficult from a technology standpoint to achieve full reusability for a rocket. We've got part of the way there with Falcon 9, but we'll get all the way there with Starship, and once you achieve full reusability, then it's simply a cost of access to orbit is just the cost of propellant, because now you can reuse all aspects of the vehicle, and the propellant we used for Starship is liquid oxygen and liquid methane, which is the cheapest propellant you could possibly get. The cost of propellant for Starship will be less than the cost of jet aviation fuel, which means that you should be able to actually send cargo to space for less than the cost of cargo on an airplane going on a transoceanic trip."

DogeDesigner

32,300 просмотров • 2 месяцев назад

DeepMind’s Demis Hassabis: Elon is doing amazing things with SpaceX “I think there will be a solution to the energy problem. So free, pretty much free, renewable, clean energy one way or another, fusion or better solar. And then that will unlock us to really travel the stars. Because the main cost, Elon does amazing work with SpaceX and those things, but the main cost is still the rocket fuel, right? The energy cost. So if that's sort of zero somehow, because we can just make infinite rocket fuel out of seawater once we’ve cracked fusion.” Source: Muskonomy
1:18

DeepMind’s Demis Hassabis: Elon is doing amazing things with SpaceX “I think there will be a solution to the energy problem. So free, pretty much free, renewable, clean energy one way or another, fusion or better solar. And then that will unlock us to really travel the stars. Because the main cost, Elon does amazing work with SpaceX and those things, but the main cost is still the rocket fuel, right? The energy cost. So if that's sort of zero somehow, because we can just make infinite rocket fuel out of seawater once we’ve cracked fusion.” Source: Muskonomy

Mario Nawfal

215,453 просмотров • 4 месяцев назад

SpaceX had zero idea how to build a rocket in the beginning. That became the genius of it: Elon rejected conventional wisdom entirely and grounded everything in first-principles thinking instead of copying competitors or blindly following “best practices” nobody could justify. Tesla and SpaceX exist because he refused to accept that this is just how things are done. But the cost is real. ELON CLIPS
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SpaceX had zero idea how to build a rocket in the beginning. That became the genius of it: Elon rejected conventional wisdom entirely and grounded everything in first-principles thinking instead of copying competitors or blindly following “best practices” nobody could justify. Tesla and SpaceX exist because he refused to accept that this is just how things are done. But the cost is real. ELON CLIPS

Mario Nawfal

63,169 просмотров • 3 месяцев назад

$RKLB Neutron will be the largest carbon fiber structure to ever fly once it's completed. Some critics say it's not realistic because it would be the first carbon fiber structure of that size to fly, but I'd argue Rocket Lab is pretty good at firsts: "We were the first to 3D print a rocket engine and put it into orbit. We were the first to do an all carbon composite rocket and put it into orbit. We were the first to do all fiber optically networked avionics suite on a launch vehicle and put it into orbit." — Sir Peter Beck, Rocket Lab CEO
0:43

$RKLB Neutron will be the largest carbon fiber structure to ever fly once it's completed. Some critics say it's not realistic because it would be the first carbon fiber structure of that size to fly, but I'd argue Rocket Lab is pretty good at firsts: "We were the first to 3D print a rocket engine and put it into orbit. We were the first to do an all carbon composite rocket and put it into orbit. We were the first to do all fiber optically networked avionics suite on a launch vehicle and put it into orbit." — Sir Peter Beck, Rocket Lab CEO

ValueOverPrice

27,984 просмотров • 29 дней назад

🚀🇨🇳China's first REUSABLE rocket, Zhuque-3, has completed engine tests and begun final preparations before its maiden flight. 🛰️🌏The rocket will be used to accelerate the building of China's "Starlink" large-scale constellation missions at a lower cost.
0:22

🚀🇨🇳China's first REUSABLE rocket, Zhuque-3, has completed engine tests and begun final preparations before its maiden flight. 🛰️🌏The rocket will be used to accelerate the building of China's "Starlink" large-scale constellation missions at a lower cost.

Li Zexin 李泽欣

470,331 просмотров • 9 месяцев назад