Pratique du Shadowing: Starship - Test Like You Fly - Apprendre l'anglais à l'oral avec la vidéo
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230 phrases
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The T-minus 4 minutes, a lot of stuff starts going down.
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T-minus 3 minutes, closing out the propellant load, so you're finishing out the liquid oxygen load and the liquid fuel load.
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T-minus 40 seconds, we stop interacting with the pad.
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The vehicle's just on its own.
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All right, it's that's all V-19 operators.
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This is the final gun alcohol poll for today's operations.
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Our main objective today is a 10-engine static fire.
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Why 10 engines instead of all 33?
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This is the first V-3 booster down at the pad right now, so there's a lot of stuff that can go wrong.
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And if we do have a bad day, it limits the scope of the issues that we can have.
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This will be the highest chamber pressure we've ever seen on a vehicle at SpaceX.
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So definitely gonna be a pretty spicy test today.
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And then you're counting down from T-40.
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T-4 on is when my heart rate really starts to tick up.
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And then we light the engines.
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The End so
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We are in the Star Factory, and this is an almost 1 million square foot facility that we've built to enable that production of both ship and booster.
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Starship is a fully reusable rocket.
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It's two stages, so it has a ship which is the upper stage and a booster below it.
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The booster accelerates the ship to get it going towards orbit.
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The ship is what actually goes into orbit.
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They take the people or the payload to wherever they're going.
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The sound of progress.
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The rivet guns and the sledgehammers.
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Less sledgehammers than there used to be.
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The story of Starship starts with the founding of SpaceX.
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Three, two, one.
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Rather than starting with the vehicle that Elon envisioned needing to get people to the moon and Mars, he thought it would basically bankrupt the company, it wouldn't be possible.
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So you have to bite it off in small pieces.
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And so those pieces, which at the time did not seem small at all, were Falcon 1, Falcon 9,
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Dragon, both cargo and crew, Falcon Heavy.
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Falcon Heavy is supersonic.
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These were the building blocks that let us cut our teeth on learning how to do rockets.
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Not the way the aerospace industry had been doing it, but the way we needed to do it to end up here where we are today working on Starship.
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Version 3 is what I like to call the foundational design of Starship Booster and the Pad.
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That's going to give us the new capabilities we need to do the missions in front of us.
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It'll be the one that puts humans back on the moon.
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It'll be the ones that put the first boot prints and then city on Mars.
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Starship is giant and that scale is not an accident.
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It's not to win some Guinness World Record prize, which we did for both the ship and the tower.
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It's because we need that size to do the things we dream of doing with it.
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The The
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Ship 39 is the first V3 rocket.
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This rocket is unlike anything anybody's ever done before.
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Version 3 is basically a clean sheet design of the ship.
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We essentially took a bunch of lessons from version 1
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and version 2 and we took a step back
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and said what were the things that were really problematic either from a performance perspective
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or from a reliability perspective on the previous rockets and then we directly address those with a variety of new designs.
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It can go up to orbit, it can stay on orbit for 48 hours, it can meet up with other ships and it can do propellant transfers
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which is really the core technology that you need to unlock Starship.
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Once you unlock that capability the whole solar system is on your doorstep.
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And right now what we're doing is we're actually going through checkouts so we're actually kind of bringing the rocket to life.
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We've never built a Ship V3 before and gotten it to the state of production.
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So we are gonna have special things to this specific vehicle that are gonna be odd, but there's also things about the architecture as a whole
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that we don't really know how to deal with because we've only done simulations, we've only built fluid models how we think a Ship V3 operates.
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Now we have the real deal next to us.
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First priority is your safety.
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The second priority is making sure the vehicle's OK.
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And then we worry about executing our schedule.
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We're quite excited.
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We're quite anxious.
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But all things considered, we're pretty well prepared.
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We think that we'll have a good result.
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We intentionally started Starship with the ship portion because it was so novel.
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We have done a reusable booster before with Falcon 9, and so it's at least a little bit better tread ground.
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I will say, I think the booster turned out to be a lot harder than we gave it credit for.
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This is an entirely new rocket.
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This is the most ambitious vehicle design I have ever personally worked on, and it is a wild thing to see come to reality here.
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The version one flight test campaign really exemplifies the rapid integrated test style that we do in SpaceX engineering.
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It took us five flights from our first attempt from flight one to flight five to successfully catch a booster
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which was honestly mind-blowing.
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Flight 1 was able to get off the pad successfully.
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It proved that we could get this full system together, and we learned a lot from the eventual failure of the vehicle in that flight.
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We were able to put together a lot of improvements on the launch pad
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and on the vehicle hardware design that led to much better success in Flight 2.
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We were able to make it with the booster to MECO.
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We were able to separate the ship and we were able to begin boosting back towards the launch site.
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So we hit the next big milestone in the flight test campaign.
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On flight three, we were able to get all the way through our boost back burn.
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On flight four, we were able to do a successful water landing demonstration.
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on flight five, we were able to come back to our launch site and successfully catch the vehicle with our chopsticks.
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To be able to go fly that and have complete mission success at
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that point of we got the payload to orbit and we landed that rocket was incredible.
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I'm getting goosebumps talking about it now.
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We're about to get into a really exciting period of the vehicle test campaign here, putting the thing through its faces and making sure that everything we designed works okay.
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You want to stop about right here?
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Yeah.
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We have all of the
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pieces of the system working together for the first time, and if we're going to learn anything from that, we'll learn it as quickly as we possibly can.
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Booster 19 is actually the second of the version 3 boosters that we've built.
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18 came before it, we had an unfortunate anomaly during our first test campaign of the booster 18 vehicle.
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This is the first version 3 booster that we built, so this is booster 18.
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This is really awesome because it's going to be our first full vehicle level operation and test with a version 3 vehicle, so the whole team is very excited about this.
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Sure hope it works.
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The The
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When we were pressing the nitrogen system, we had an explosion that took out the rocket and thankfully we had designed that test to be safe.
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If something like that happened, we did not have propellants or reactive things on the vehicle.
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And so the test site incurred very little damage and of course, nobody was hurt in the incident.
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Yeah, it's part of testing.
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This is loud, so you learn to not be super skittish as you're walking around.
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So we have our booster here on site.
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We're going to be performing a cryo-proof.
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It's actually a really long day, so it's normally planned to be a 12-hour overall prop load and off load.
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It's just a ton of propellant that we're putting on the vehicle, and we do a bunch of test cases throughout the whole day, so it's a long one.
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Taking booster SM to cryo high fill proof.
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Cryo proof is the first time you actually put propellant onto the vehicle.
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The liquid propellant that we're putting on, it does get pretty cold, generally in the 80 Kelvin range.
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We want to test like you fly and fly like you test.
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70% proof percentage.
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Affirm.
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And two air faces for cryo now.
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There is definitely nothing like a late night with your team in the control room.
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It's one of those milestones where you're like, wow, if I can load a rocket, this is amazing.
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EF-HT looks pretty stable.
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Let's go ahead and get booster configured for offload.
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the sea.
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I'm sorry.
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This is a Raptor 3.
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V3 is a high performance boost engine.
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It's also designed to be reusable and highly reliable.
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We've learned a lot over the course of producing around 600 V2 engines.
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You can see the amount of simplification that's occurred between V2 and V3.
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The level of integration is really unique for Rocket Engine.
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That comes from a lot of work among many engineers to consolidate the hardware.
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The effect of that is that it's actually a high reliability design, so fewer parts is cheaper and faster to build, so that allows us to make a lighter vehicle,
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to make a more reliable vehicle to overhaul, just build a better rocket.
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Achieving full reusability of an engine like this is really something that people haven't done before.
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The goal is to get the engine to behave in a similar way to the engines on commercial airplanes.
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frequently in interactions with people outside of SpaceX.
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The perception is that things far beyond what have ever been done before are impossible.
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Things being impossible is really to be determined by breaking laws of physics.
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We are not breaking laws of physics.
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We're just trying to leverage them as effectively as we can.
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All of the 19 operators is the final Glenelg Go-Pole for today's operations.
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The main objective today is a 10-engine static fire.
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Static fire is the culmination of the engineering process.
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We are bringing all of the pieces of the puzzle together and we are lighting the engines.
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And if you make it through that, you have pretty good confidence that you're in a good position to go fly.
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Aboard.
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One LB1 looks like we kicked out due to combustors from the Apex Bank being faulted.
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Looks like we have to do an inch time of 2.135 seconds.
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We successfully lit all ten engines.
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They were ramping up to power.
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Everything was looking good, stage and engines combined.
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However, there was a pad side abort called.
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So what that means is some sort of sensor tripped, and from there we command a fast shutdown.
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It was a hard one, and especially since we had to drop all the engines out, the engines afterwards and thankfully 10 of them were salvageable, which is good.
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We saw some data right after static fire
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that showed about half the engines had what looked like mechanical damage basically as a result of the really fast shutdown.
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So we brought the booster back to Mega Bay.
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We then decided to remove all 10 engines from the booster
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so that we could troubleshoot and understand what's going on those 10
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while still making progress on B-19 by backfilling engines from B-20.
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All right, attention to operators on LVN1.
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Today's main objective is a 33-engine static flyer on B-19.
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Okay, go no go poll coming up in one minute.
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So we're doing our static fire today with all 33 engines.
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This is the final go no go poll for today's operations.
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Flight software?
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Go.
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AY?
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Go.
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Raptor?
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Go.
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Go.
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CE?
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GC2?
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Go.
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DC-1?
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Go.
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FC-1?
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Go.
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Two miles, ten, nine, eight,
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seven, six, five, four, three, two, mission.
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Wow.
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We kicked out early.
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All teams triage alerts.
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Prepare for offload.
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Today we aborted our second attempt of the B-19 full count static fire.
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We actually had another padded board on the diverter.
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We made it through engine startup and then ultimately lost some of our sensors on one of the ramp manifolds.
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It basically said that the manifold pressure was lower than we believe
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that it probably was and it kicked us out at T plus 1.88 seconds.
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It's just tough because there are some things that are hard to test ahead of time.
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So the diverter, you can test as much as you want, but you can't obviously test for what theoretical vibe environment you're going to see when the engines are turned on.
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Any time
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that you walk into an operation where you want to turn on 33 of these enormously powerful engines
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and get them all to work together and walk away from it in one piece, that is a win.
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I think every test is always a success and we had a bunch of findings on the ground systems, the vehicle and the engines that I think were really good to flag at this point,
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but definitely a bittersweet day.
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We have a saying called only the paranoid survive.
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The idea behind it is that there's an enormous amount of information
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and data that's coming to you and if you can use
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that wisely you can usually use that to figure out where things are going to go wrong in the future.
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Almost every time that we fail something
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or have something go awry there were clues in previous data
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and previous operations that if you had known what to look for
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and had been good enough and paranoid enough to do so.
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Could have found it there.
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It's been 10 months since Massey's had the S-36 anomaly.
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Ship 36 was a tough one.
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We had a CFPV explode and it not only took out the rocket, but it took out a lot of the test site infrastructure over at Massey's.
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How do we go make sure if we have an anomaly again, the pad can take a beating and still survive?
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Losing a rocket is one thing.
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We've got a production line for rockets and we can go make more.
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Losing the physical infrastructure of the launch pad
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or the test site is very difficult because you need to go repair
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that over a period of many months before you can get back into testing.
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Now we have Massey's back online here.
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We've really built this rocket from scratch, but we've also built the pad from scratch, so it's all kinds of new systems.
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This will be the first time that we bring together the pad and vehicle pieces to make sure that they all work.
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The static fire vehicle is in prepaid clear about to get to our static fire pad clear top state.
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We run 60 seconds on ship
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because you get to see how the vehicle thermals all shake out just in real vehicle performance.
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That if you can make it through that, that you are in a reasonable position to go fly.
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Start it up.
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Throttle it.
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Plus 10.
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The journey of SpaceX is a journey to give humans access to the solar system and beyond, which is really the goal for Starship.
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Plus 20.
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The impact that this rocket is going to have on the world, I don't think most people can really comprehend the change it's going to happen.
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Plus 30.
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This is such a wild ride.
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The highs are high, the lows are low, as we really work to get two ultimately launching people, which is going to be amazing.
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Plus 40.
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It is not impossible just because it's far beyond what has been done before.
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We've proved that time and time again.
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Plus 50.
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Full duration.
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Vocabulaire et conseils d’expression pour cette leçon
Cette vidéo contient 230 phrases et 2655 mots à répéter en shadowing. La partie parlée dure 24:31. Le locuteur parle lentement, environ 108 mots par minute, ce qui laisse le temps d’imiter chaque son. 84 % des mots font partie des 3 000 mots les plus courants en anglais ; le reste mérite d’être vu avant de commencer.
Vocabulaire clé de cette vidéo
15 mots moins courants de la vidéo, avec leur prononciation et leur sens :
- booster /ˈbustɚ/ (nom) — lanceur. Something that boosts.
- rocket /ˈɹɑk.ɪt/ (nom) — fusée, roquette. A cylindrical projectile that can be fired to a great height through combustion, (specifically) a type of firework of this form, typically exploding with light…
- static /ˈstæt.ɪk/ (adjectif) — statique. Unchanging; that cannot or does not change.
- orbit /ˈɔɹ.bɪt/ (nom) — orbite. An elliptical movement of an object about a celestial object or Lagrange point, especially a periodic elliptical revolution.
- successfully /səkˈsɛs.fə.li/ (adverbe) — avec succès. In a successful manner; with success; without failing.
- liquid /ˈlɪk.wɪd/ (nom) — liquide. A substance that is flowing, and keeping no shape, such as water; a substance of which the molecules, while not tending to separate from one another like those…
- objective /ɒbˈd͡ʒɛk.tɪv/ (nom) — objectif, but. A material object that physically exists.
- poll /poʊl/ (nom) — sondage. A survey of people, usually statistically analyzed to gauge wider public opinion.
- operator /ˈɑpəˌɹeɪtɚ/ (nom) — téléphoniste. A person or organisation that operates a device, system, service, etc.
- minus /ˈmaɪ.nəs/ — moins. Made less or reduced by (followed by an expression of number or quantity).
- infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/ (nom) — infrastructure. An underlying base or foundation for a building, organization, or system.
- priority /pɹaɪˈɒɹɪti/ (nom) — priorité. An item's relative importance.
- physics /ˈfɪz.ɪks/ (nom) — physique. The branch of science concerned with the study of the properties and interactions of space, time, matter and energy.
- hardware /ˈhɑɹdˌwɛɹ/ (nom) — équipement. Fixtures, equipment, fasteners, tools, and devices used for general-purpose construction and repair of a structure or object. Also such equipment as sold as…
- reliable /ɹɪˈlaɪəbl̩/ (adjectif) — fiable, sûr. Suitable or fit to be relied on; worthy of dependence, reliance or trust; dependable, trustworthy
Les verbes à particule que vous entendrez
- take out (verbe) — supprimer, sortir. To remove.
- kick out (verbe) — foutre dehors, mettre à la porte. To eject, dismiss, expel, or forcefully remove (someone or something).
- put on /ˌpʊt ˈɒn/ (verbe) — mettre, enfiler. To don (clothing, equipment, or the like).
- deal with (verbe) — traiter. To handle verbally or in some form of artistic expression; to address or discuss as a subject.
- do in (verbe) — tuer, zigouiller. To kill or end; to defeat.
- end up (verbe) — se terminer, se finir. To bring to a conclusion.
- figure out (verbe) — cerner. To come to understand; to discover or find a solution; to deduce.
- get off (verbe) — descendre, faire descendre. To move from being on top of (something) to not being on top of it.
Prononciation à surveiller
Le locuteur utilise 45 contractions et formes réduites, comme we're, we've, you're. Prononcez-les sous leur forme courte, telles que vous les entendez.
- Les sons « th »: theoretical /ˌθi.əˈɹɛt.ɪ.kəl/, throttle /ˈθɹɔ.tl̩/
- Les sons « sh » et « zh »: essentially /ɪˈsɛnʃəli/, sheet /ʃit/, shake /ˈʃeɪk/, interaction /ˌɪn.təˈɹæk.ʃən/, explosion /ɛkˈsploʊ.ʒən/
- Mots longs — placez bien l’accent: successfully /səkˈsɛs.fə.li/, operator /ˈɑpəˌɹeɪtɚ/, infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/, priority /pɹaɪˈɒɹɪti/, capability /ˌkeɪ.pəˈbɪl.ɪ.ti/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Répétez phrase par phrase à vitesse normale, en reprenant chacune jusqu’à ce que votre rythme corresponde à celui du locuteur.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme booster, rocket, static.
La grammaire de cette vidéo
Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :
| Structure | Dans la vidéo |
|---|---|
| Present perfect have/has + participe passé — une action passée qui compte encore maintenant | we've ever seen · we've built · We've never built |
| Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le fait | was hurt · been done · being faulted |
| Propositions relatives who / which + proposition — une précision sur une personne ou une chose | ship which is · salvageable, which is · beyond, which is |
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.