What Upgrades Were Made To Starship’s Next Prototype?
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- Опубликовано: 5 июл 2024
- As of right now, we could be just over a week away from the fourth launch of Starship. SpaceX has said that the launch could be as soon as June 5th, with the only thing possibly holding them back being regulatory approval which is still pending. However, this approval process has only improved over time and when combined with the company’s confidence to set a launch date so soon, June 5th seems like a realistic date.
With that being said, it brings up questions regarding SpaceX’s plans for this fourth flight. Flight 3 was a big improvement but still failed to complete some of the overall objectives. That’s why SpaceX has made some changes both to the vehicle itself and part of the mission profile for this next test flight. Here I will go more in-depth into some of the improvements made to Flight 4 hardware, the mission profile, what went wrong on the last flight, and more.
Full article here - thespacebucket.com/what-upgra...
For more space-related content check out - thespacebucket.com/
Credit:
SpaceX - / spacex
Chapters:
0:00 - Intro
0:42 - Super Heavy Improvements
3:41 - Upper Stage Improvements 
Наука
It is so critical that they can control Starship during reentry. Then see how the heat tiles hold up. And when they lose heat tiles, find out how long the stainless steel body can withstand reentry heat.
Another video already? 😁 (yay!)
Thanks for your work SB.
Glad to see you back!!!
Mr. Stock,
Welcome back. You are a great inspiration to us, and you bring completion to a special part of our heart, left empty by the science officer.
Fascinating Information! Thank You.
"Don't insert me bro"...Thanks man...
cool, thanks
Was wondering when you’d upload
3:12 What is blocking the “FILTERS” in the oxygen delivery path?
The sump/outlet filters/grills are huge, multi-faceted objects between the size of a washing machine and a small car with grate dimensions you could stick an arm through. If these are getting significantly blocked then the foreign object(s) must be sizable.
I keep thinking that the booster oscillations in re-entry are caused by fuel sloshing around ,100 to 350 tons of fuel in three different tanks and three different centers of gravity???
Surely the hotstage ring being ejected is a temporary measure right? Because that's not exactly good for a quick turn around. Even if it isn't that much work to put one on there.
Likely. It made up no part of the early flight modeling so they will likely revise the design but for V1 ships getting rid of it makes sense.
Why did you leave for so long?
1:52 So jettisoning the ring is going to be standard procedure? What happened to FULLY REUSABLE? It seems like the booster should have plenty of excess fuel at this time considering that the starship has no cargo load. Must be more to the story.
the belief is that the HSR is causing aerodynamics issues during booster return, some think the HSR caused the Grid Fins to go a bit crazy because it was fighting the Air Flow.
so jettisoning the HSR prior to booster return should allow the grid fins to do their jobs
@@TerraSpaceIndustries
So if it is aerodynamic interference, then sx needs to verify that without the HSR. But by the time the atmosphere is dense enough to cause the interference, would not the booster be in an attitude / position that the HSR is past the airflow from the grid find? So the interference must be happening during the attitude transitioning phase fairly high up, maybe. Interesting.
@@Mentaculus42 i dont know lol, i just heard somewhere that some thought that was the case, but dont take it from me :)
@@TerraSpaceIndustries
Actually I like what you said. It makes sense but there must be more to the story but it is a plausible conclusion. I wish sx was a bit more specific.
Did they manage to boost the impulse any? Even an extra second or two would give them the fuel needed for slowing down on reentry.
...what?
@TheEvilmooseofdoom Impulse is a rating system for rocket engines, typically reported as Specific Impulse, or ISP. It is a measure for how efficient the engines are. The higher this number, the less propellant is used for a particular delta-v. As the stack ran out of fuel during re-entry, even a slight improvement here would likely be key for eventual reuse.
My understanding is that Raptor 2 is very slightly lower ISP with improved thrust.
@schrodingerscat1863 That’s interesting, although does raise concerns.
@@downix SpaceX said they calculated that increased thrust would be better tradeoff than very slightly lower ISP. Everything is a tradeoff with engine design and based on usage profile they calculate the best balance for the usage profile.
Release the hostage ring!
Thanks for the video, it made me more exited than ever for this launch!
Pretty good narration. The format length was great. The Video relevance was a grade75. Even a hand drawn sketch of some of the concepts being discussed would have been good to help with recall for your audience members. Can you sketch the boostback ring being jettisoned? Wonder how far could an interred hydraulic ram catapult, assist in lift-off? 500 meters?
First
Ultimatly, Starship will have to be shaped aerodynamically, so it can land on a runway, and NOT have their passengers and crew fly a manoever that makes the Kai Tak Heart Attack look, and feel like a trip on a petting zoo sonkwy.
"Starship will have to be shaped aerodynamically, so it can land on a runway". So basically the Space Shuttle (without any escape system for liftoff as well). If you think NASA is going to man rated Starship for liftoff and reentry on Earth as it is (or like a Space Shuttle copy again), you are naive.
The fuel transfer according to NASA is to be carried out by two separate ships. The alleged transfer test was done inside one ship, so that didn't even meet NASA's requirement of two independent ships, did it? So don't try and pass that off as a success of any kind whatsoever. In every single test, all three, both parts were destroyed and didn't land except as fragments, very expensive fragments, it is just as well SpaceX isn't having to foot the bill, that is paid for by the American taxpayer, for all three of them, several billion dollars, does that sound like success to you Mr. SpaceBucket? Please illuminate us, what do you define as success? Did they meet NASA's requirements? What was the door slot test that has absolutely nothing to do with any of NASA's test requirements as stated in their contract with SpaceX all about then? I know you want them to succeed, but they couldn't even reach orbital velocity. Your lack of actual critical thinking I originally put down to your newness to the world of musk, now I'm thinking it is paying your bills.
You're being simple. The FIRST test was to see if they could do a prop transfer at all. The follow up tests will involve ship to ship. If you only had a clue about what is being done and why but just about every single think you think you know is wrong. Shamefully so.
The initial test was to check that cryogenic liquids could be moved between tanks and was verification of the approach being used for that. The next test involving two ships will be testing many things like tracking and navigation, docking/undocking, fuel and lox line connect/disconnect. All of that is pointless if moving liquids between tanks isn't figured out first. Also starship is being built for delivering payloads so the payload bay door test was nothing to do with NASA. NASA is paying for a lunar lander not for the whole of the Starship design and test program. The amount of money they are a getting from NASA is a fraction of the development cost of Starship. Maybe apply some critical thinking yourself.
@@schrodingerscat1863 facepalm
TSB is not a SpaceX sycophant channel; the intro blurb points out that OFT3 was "a big improvment but still failed".
That statement alone rankles with SpaceX Cultists, an example of why they frequently curse TSB as a SpaceX Hater.
The impartial reporting by TSB is a rarity, Ibn Bahtuta; the reason why more balanced people subscribe and view this channel.
@@davidstevenson9517 You'll be saying the same again and again.