Why SpaceX's NEW-GEN Raptor 4 engine absolutely out-classes the other?
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- เผยแพร่เมื่อ 16 พ.ค. 2024
- Why SpaceX's NEW-GEN Raptor 4 engine absolutely out-classes the other?
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00:00 - 05:13 - Raptor 4 update and previous versions
05:14 - 09:14 - Raptor 4 and other engines
09:15 - 11:00: - When will Raptor 4 appear?
11:00 - 11:18: - Conclusion
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#greatspacex #elonmusk #spacex #nasa #raptor
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Why SpaceX's NEW-GEN Raptor 4 engine absolutely out-classes the other?
Throughout the years, you've undoubtedly become acquainted with the remarkable capabilities of Raptor 1, Raptor 2, and perhaps even Raptor 3. However, SpaceX has once again sent shockwaves through the aerospace industry with the introduction of a new behemoth in this lineage: Raptor 4. The initial specifications unveiled for this iteration have shattered every boundary we dared to conceive. So, on today's installment of Great SpaceX, let's delve into the sheer might of this new incarnation, Raptor 4, and speculate on when this titan might make its debut.
Why SpaceX's NEW-GEN Raptor 4 engine absolutely out-classes the other? Before delving into the updates regarding the latest iteration of the Raptor engine, let's once again marvel at the awe-inspiring power of the Raptor through this video. (Link)
With three successful integrated flights of the Starship behind us, each yielding varying results, one consistent factor remains: the colossal Starship rocket consistently exhibits mind-boggling thrust. And at the heart of these incredible thrusts are the powerful Raptor engines.
Equipped with the Raptor 2 version, Starship boasts a lift-off thrust exceeding 7000 tons, a force twice as potent as that of the Saturn V.
Why SpaceX's NEW-GEN Raptor 4 engine absolutely out-classes the other? But the advancements don't end there. Last May, SpaceX unveiled yet another iteration, the Raptor V3, boasting an estimated thrust of up to 269 tons or 593,000 pounds. This undoubtedly leaves any would-be challengers of the Raptor family feeling utterly disheartened.
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You counted in Soyuz either each nozzle as separate engine, or vernier thrusters as rd170. Rd 170 is angine with 4 combustion chambers and nozzles powered by single turbine. Multiple nozzles allowed russian skip issues with thrust instability. Soyuz got 5 engines , not 20.
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Thanks for saying it bc it drove me insane!
Your Soyuz numbers are way off. Stage one produces 325 tons per booster, not per engine. It would have been the most powerful rocket ever otherwise… which of course it wasn’t. This warrants a correction.
raptor four being simpler = raptor four being externally simpler; I'd love to see the cooling channels in the bell
The content flow is wild - good fricken job.
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You have the most informative and to the point SpaceX channel on the Internet. You have allowed me to delete the others. Continue with the Great Work Kevin and Crew!
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As per usual, awesome video my dude. To your Team, keep up the Great Job!!!
My honor, thanks
Whilst there's a lot of interesting and thoughtful content here - thanks for producing this - I think that it might have missed the most interesting element that needs to be considered - efficiency.
It's entirely fair to say that when your only consideration is lifting mass to LEO or maybe even GSO, then really you're going to be more interested in absolute thrust, because that dictates the maximum tonnage you can handle per vehicle flight. So yes, the headline thrust figure is important.
But for the Musk's stated goals - making mankind a multi-planetary species - specific impulse is much more important. This, in simple terms, is the measure of a rocket engine's efficiency. It essentially measures the amount of thrust per unit of fuel. Now, Raptor is already off to a good start in that regard, because - in theory at least - methylox can return a greater specific impulse than RP-1 [ultra-refined kerosene], which means that methylox gives you more "momentum change per unit mass" than RP-1, which helps Raptor be even more useful.
And all this is important because of the distance to Mars, which is very approximately 34 million miles, or 55 million kilometres when their orbits coincide. In simple terms, using Vacuum Raptor means that, for the same mass of fuel you can lift in to orbit for starship, you can run longer burns for the transit [one to start the journey, one to decelerate at the other end]. Longer burns means higher cruise velocity. Higher cruise velocity means shorter transit time. Which in turn helps to reduce the amount of time for things to go wrong, the amount of resources you're going to need to spend in transit [as opposed to on site] and so on. It also means that if you've got a colony starting up and something goes wrong, you might be able to get a rescue vehicle out there in a shorter period of time, which could be the difference between life and death for anyone actually there.
So yes, great video, lots of cool insight, thanks for making. But for the stated intent of Elon and SpaceX, specific impulse is where it's at.
Thanks for your great support ☺️
Great video! Well done.
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WRONG: Soyuz doesn't use the RD-180. The Atlas V is the ONLY rocket that uses it. The Soyuz uses the RD107 with 82~85 tons of thrust. Each engine has four nozzles and 2 verniers. So each Soyuz lifts off with only 5 engines not 20. Russia's new rocket -- the Angara -- uses one, three or five boosters each with a single RD-191 engine with 195 tons of thrust.
The Soyuz does not have 17.5 million pounds of thrust. The main rocket core and four boosters combined produce 3,357 kilonewtons of thrust at sea level. That equates to 754,683.6 pounds of thrust. Fully loaded, the Soyuz weighs about 688,000 pounds, so the thrust to weight ratio is about 1.09 - enough to get off the ground, but no so much to cause crushing g forces for the cosmonauts on board.
Thanks for your great contribution 👍
I wonder if there are some surplus earlier Raptor versions available. I'd like to put one on my car.
Plenty. They just scrapped booster 4 with 29 Raptor 1.
But I doubt that they will give it to anyone 🤣🤣
Really awesome to think about how they are working to make these engines better. Also it will be awesome to see when they get A.I. to come up with some engine designs ,i wonder how weird they will look.
That's because SpaceX has genius engineers
Soyuz 5 have 5, not 20 engines. Each engine have 4 nozzles and power count per engine, not nozzle.
Rd 190 - 1 nozzle
Rd 180 - 2 nozzles
Rd 170 - 4 nozzles
Thanks for your great contribution 👍
With extra thrust comes extra fuel usage. These numbers put the Ship WAY bigger. So actually, it lifts only a little more. Its not magic folks. The numbers don't lie. But truly impressive. With this, they could cut back the number of engines. Balancing out fuel usage and lift. Less engines, less issues.
"With extra thrust comes extra fuel usage" not necessarily - they could be getting more efficiency out of it.
The comparison @8:32 should include mass (weight and size) to show thrust-to-mass ratio and number of engines on a rocket booster. Also Starship payload of 200T compare to others (10-50T at best) from other competitors. Launch cadence (10x-100x) >>> other competitors. Reusabilities >>>> other competitors (none). SpaceX help humanity goes spacefaring enabling us to expand our knowledge (to reduce our ignorance, arrogance, self-importance, etc) and not destroy the habitability of our planet Earth by overcrowding, overmining, over(fill-in-the-blank), etc.
Great analysis. Thank you because you watch to the end of our video
An idea for a future episode: Starship will launch OLMs from the first (the only one we have for now) to the next one, which will be built at Starbase. And then the Cape. An evolutionary process. Is the Showerhead the new norm? Or will we return to massive flame trenches? Also, do the foundations beneath the legs and towers of OLM reach down to the bedrock?
I do not believe that the foundation of the OLM reaches the bed rock also concerning flame trenches it seems like they are going to use water cooled metal pipes kind of like the water cooled plate they have now but it does not look like it goes really deep into the ground. We will be seeing the new OLM hopefully by the end of this year since it is being built on the test site in Starbase as we speak.
Great perspective ♥️
I cannot wait for a future where we will see flying sky scrapers going up into the sky, coming down to Earth as a common event, no more insane than planes flying and landing.
Yeah🚀🚀🚀
Thrust comparison of Starship and Soyus cannot be correct
Thanks for your great contribution. We'll take note this
Just asking, did they plan ahead and design the tower, water deluge etc to withstand a lift off force of 10,000 tons for the R4 set of engines?
Let's wait for their next plans
Who knows. I would imagine they are redoing the water system because of raptor 4, into a traditional trench and water deluge like NASA uses instead of a cold plate.
i imagine the thrust comparison is with the same amount of fuel, right?
Thrust comparison is measuring output of engine itself. You are asking of TWR (thrust/weight ratio) that can be applied to whole rocket or to each thruster.
Or you are asking about specific impulse, a measure of efficiency of engine, calculated in Seconds. It's a measure of how long engine will burn having one lb of fuel/oxidiser with one pound of force.
Maybe adding some Dilithium crystals would help output power.
Great suggestion 👍
Rocket engines under this construction have rached a practical limit(+;- 100 bar).There is other way ,inqluding for "clasical" rocket engines(and nozzles)
I wonder if Raptor 4 can handle gas bubbles in the fuel better than Raptors 1-3 could.
Nope. But actually there is no turbine feeded engine that can handle bubbles. Only pressure feeded engine are fairly ok with them.
But dealing with bubbles is on side of rocket, not engine itself, no matter is this Starship, or SLS, or anything else.
On the other side, no other rocket is doing that crazy maneuvers like Starship or Falcon.
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spacex is unstoppable
Never stop thrusting🚀🚀🚀
Has Totalitarian Communist china stolen all the intellectual property of spacex yet? Oh right they can just find everything on youtube leakers.
@@user4923naaah. There are details that are most important. And those didn't leaked. Majority of details on internet is just base/ground concept, and only what it gives to competition, is a head scratches about "how the duck they did it?"
Why does nobody use SI units for force (N)?
Tons or pounds of thrust is easier to calculate
Amazing the upgrades they keep doing
Yeah, let's wait for their next feats
Good morning
Have a nice day, my loyalty audience ☺️
The soyus does not use RD-180 .It uses RL-something i am not completely sure
RD107 or later versions RD107A. This engine has 82~85 tons of thrust. This is for four chambers and two verniers combined which shares one set of turbo-machinery. It is a gas generator engine unimpressive by any measure except for the fact that it works and has flown over 10,000 times across over 2,000 launches with a 97.3% success rate.
The clouds add drama.
Another good video ruined by an excessive number of ad breaks
Thanks for your great comment. We always try to make better video for everyone, so keep following and discussing on our channel ☺️
@@colonbina1 you make great content which is why i enjoy your channel. I enjoy it so much that the brief ad breaks are torture 😁
Kevin, Kevin, Kevin, Raptor 3 is the one with 350 Bar chamber pressure not Raptor 4. Raptor 4 is being estimated to have 450 Bar. But as you say Raptor 4 is some way off. So how can you say Raptor 4 is the King of Rocket Engines? You can just as easily say Star Fleet Impulse Engines are the kings. If your going to speculate SPECULATE BIG!
My question is, what human can withstand the Gs that the starship will be putting them through with all that power?
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Hard to say. I am fairly sure that you are asking about flip maneuver. As for ascend, there will be not much difference between Starship, or ie Falcon with dragon.
I think SpaceX will use different profile for deceleration and flip maneuver. Not as efficient, so they will need bigger header tanks that would allow for longer duration of engine working, but manageable by humans.
considering it size and power luckily the astronauts will not experience a crazy amount of Gs during ascent someone did the math though this is only speculation it is between a range of 8 Gs which is about what you would experience in a fighter jet.
The acceleration is equal to the force divided by the mass. A=F/m The result of all that Raptor force is very reduced by all that Starship and booster mass. As more forceful Raptors are built SpaceX will add more mass, especially in the cargo bay, and it will reduce the final Gs.
@@appliedfacts i would add that raptors as liquid fuel engines are able to throttle down. So having high TWR on the ground means almost constant acceleration during whole ascend, as engines can throttle down when tank is half empty. Anyway many rockets are throttling down before maxQ. Throttling down is during whole ascend is not used normally as more acceleration=less Gravity losses, but in case of human flight it can be throttled down to manage acceleration if necessary
When u r that close to the edge of physics, any flaw will end up in explosion.
I think SpaceX will reach new feats
The engines are made to be simple and reliable. Any more power they can get is a bonus from now on.
You really need to proof read this stuff you're saying that the 1960s Soyuz is more powerful than Starship with raptor V2s?? Starship can get 100+ metric tons to LEO the Soyuz can get about 7metric tons to LEO. I'm not saying the Soyuz isn't an awesome piece of kit but Starship and even Falcon 9 beats it hands down
OK, I had a positive right there. I don’t care what anyone says about New Glenn and their rocket and whatever shit they have going on that fucking rocket engine is never left the ground. Can we stop lying to each other?
We must still consider the Vulcan. Personally, I think Boeing has lost any way ahead, but Congress may continue funneling money to them.
"Advancements" So American. The rest of us still speak English and use "advances". But kudos on great work, GREAT SPACEX.
Thanks for your great comment. We'll take note this and work better in the future ☺️
So many mistakes in this video data that it aproach a garbage level.
This channel is rapidly approaching the level of idiocy as Matt Farrell -- too many errors to even attempt to correct!
The last integrated flight test of Starship/SuperHeavy indicate that the Raptor engines are NOT providing the level of performance we were lead to believe as both the first and the second stage failed to accomplish their tasks due, it would appear, to lack of propellant. Both stages also appeared to be venting, aggressively, which suggests damage to the plumbing, perhaps a consequence of the sea of shockwaves the rocket is bathed in during launch. By my observation neither stage is meeting the requirements and it failed WITHOUT having the 150t payload -- add 150t to the launch mass and neither stage is going to even do as poorly as IFT3 without payload. If they are unable to retain enough propellant to accomplish they're task without the 150t payload then they will do less well when launching with the 150t payload.
Yes, but these are the initial test launches. Many more will occur, and the bugs will be worked out. The initial launches of any space craft are not perfect. You do realize this, right?
@@ryanab01 Go through the list of Starship/SuperHeavy launches and you find problems that were solved more than 60 years ago! First of all the launch pad with the water cooled plate at right angle to the exhaust -- watch ANY of the launches or multi-engine tests and you can see with your own eyes the sea of shockwaves bathing the rocket. Those shockwaves are a likely culprit for the aggressive venting we see as those shockwaves can easily damage things like, well propellant plumbing.
Additionally, the Raptors appear to struggle when operating a lower throttle settings as the mixture ratio appears to turn more fuel rich as the throttle setting is reduced.
So, in my opinion, neither the engines nor the launch pad as up to snuff and more work needs to be done. If they have to increase propellant to reach the performance they need then the rocket get even bigger and the need for more powerful or more numerous engines becomes apparent. I see no way to be able to add any more engines to the booster as the outer ring are almost touching each other already which leaves two options: substantially increase the performance of the Raptors OR increase the diameter of the tube, at the bottom at least, to permit more engines be installed.
The launch pad problem stems from the fact that they don't have the land necessary to build a proper flame trench and diverter AND also provide the propellant tanks and other infrastructure needed in the plot of land they have. And, Musk had to know this going in when they purchased the land they were permitted to buy. He wanted his own Cape Kennedy but wasn't interested in the consequences of that decision. I do expect that at some point he's going to demand to be given hundreds of additional Wildlife Refuge Land -- I'd bet that happens within a year!
"equipped", not "equipted"
Amazing, we really can make a video out of nothing 😅
Copy and paste lol😅
Are you saying that this video had no information in it? If so, then make a better one and show us how it's done!
Cupcake, make a video and let us critique it. I'm waiting...
You’re a daisy if ya do!
Raptor 4
Not the New King!
The Future King?
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Does raptor 4 get to mars?
Unlikely, but it will be a part of the lineage that does make it to Mars.
Why do we have to keep saying things like "blow to his adversaries" .. do we really need to frame things like this? Can we just share news and updates. My $0.002
To be accurate, your two cents, shown as $0.002 is two thousandth of a dollar, not two hundredth. Just to be fair....
@@leverman7517Maybe that 0.002 was intentional. 😂
I do agree with his comment, though.
WHY IS VLADIMIR PUTIN ON THE THUMBNAIL??😂😂😂
Russia has been the kings of rocket engines basically for forever.
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How many Raptor 4 required to move Earth from current orbit to little farther from Sun to reduce global warming.
Difficult question😂
The next raptor will be an plunger !
🪠 😆 🤣 😂
What do you mean? 🤔
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Predictably space related worst videos on TH-cam.
SPOILER: NO Raptor engine outclassed ANYTHING. They aren't consistent, they can't reliably light, and they melt themselves when they do. That's why Falcon 9 and Heavy use thr reworked RUSSIAN rocket engine design...IT WORKS.
Every time you insist on a history lesson, before getting to the point. where did you find the bible man raptorman0909 crazy stuff