Why SpaceX is Facing Problems in Testing 33 Raptor Engines Simultaneously...!

#greatspacex #elonmusk #spacex #nasa
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Why SpaceX Facing Problem With Testing 33 Raptor Engines Simultaneously!

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SpaceX is facing problems with testing 33 Raptor engines simultaneously!

SpaceX's Starship Mars rocket is getting some work done to gear up for its coming orbital launch attempt.
SpaceX aims to launch that test flight — the first orbital mission for the Starship program — in late October or November. It will involve Booster 7 and Ship 24, prototype versions of Starship's Super Heavy first stage and Starship upper stage, respectively.
SpaceX has been performing "static fire" engine tests with both vehicles at its Starbase facility in South Texas over the past six weeks or so. On Monday, for instance, Booster 7 ignited seven of its 33 Raptor engines, more than it had ever lit up simultaneously before.
Presumably, SpaceX will work its way up to a full 33-Raptor static fire with Booster 7 before the orbital attempt. But that ramp-up will have to wait, at least for a little while, since Booster 7 is no longer on the pad.
"Booster 7 transported back to the Starship factory for robustness upgrades ahead of flight," SpaceX said via Twitter on Thursday.
Those upgrades might involve fortifying Super Heavy Booster 7’s thrust section to ensure it can survive Raptor engine failures.
The concern is understandable!
A few weeks after July’s unexpected explosion, Booster 7 kicked off the most important stage of its flight qualification process with extreme caution on August 9th and 11th with two back-to-back static fires, each igniting just one of 20 installed Raptor engines. Both appeared to be successful and SpaceX returned B7 to its Boca Chica, Texas factory, reinstalled a full set of 33 engines, and sent the Super Heavy back to the launch pad two weeks later.
Why SpaceX is Facing Problems in Testing 33 Raptor Engines Simultaneously...!
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To be resolved, thank you.

[TheGrateful]

Soviets didn't solve 30 engine firing, but they solved strong heat tiles and space glass problem back in late 80s in their Buran mission. Americans have not solved tiles, neither Space glass, capable withstanding re entry without shields and self adjusting transparency in proportion to cosmic radiation. Shuttle Columbia exploded because of weak ceramic tiles. Soviets didn't have such problem with Buran. Besides Buran had fully autonomous landing back in 80s with that level of computing without any gps. Soviets had also a project for multiple use rocket boosters, turning into a plane with folding wing. So it didn't require much of fuel or catching mechanism. Used Boosters were simply flying as planes to the nearest airport with a very small economy engine (multiple booster use project wasn't implemented though because of fall of USSR). You can see SpaceShip animators draw huge windows on starship, but Ilon Mask hasn't developed such technology yet. It's multi layer high heat glass (pretty hard to make, same with tiles). Just that may take him few years. Without reliable heat tiles Starship isn't going to be reusable as reliable space ship and will blow like Columbia

[joelbell]

The vibration effect could cause a problem for the heat shield panels along with the fact that the amount of temperature generated by these raptor engines can actually cause them to melt

[w-is]

33 Raptor Engines cooking each other, fail.

[patrashdigger]

I'm up here in Pennsylvania and saw the Falcon rocket Saturday night, it was very strange and had no idea what it was until I saw the news on Sunday

[stephensfarms]

Great video on StarShip, it’s going to be exciting to see it launch. Thanks enjoyed all your work, thanks 🙏 😅

[ProfessorJayTee]

Starting engines symmetrically could cause stress waves to build across the vehicle, positively reinforcing each other. Starting them asymmetrically would result in many of those same stresses to negatively reinforce instead, cancelling each other out. It doesn't matter, since the launch mount can easily hold the entire rocket in place until all engines are firing at full thrust. (Most people badly underestimate the strength of such steel components.) The engines can all be started, the stability of thrust ensured, and only then the launch mount release the rocket. This would only be a matter of a few seconds. The old Saturn V actually started all its engines at T-6 seconds, if I recall correctly, and then the mount released it at T=0.

[SirCharles]

Nice info on the water deluge system! Thanks

[Ironmanxp]

Have you heard mention how they propose to hold the SH Booster down during a 33 engine static fire test? The leg supports for the launch stand are bar reinforced concrete which is great in compression (downward load of the rocket's weight) but not so good for the tension (pull) that the thrust the engines will create if not actually lifting the rocket in a launch. I would hope they also added many post-tensioning cables to increase the tensile capacity of those supports. Attempting to hold it down with the chopsticks utilizing the mass of the launch tower seems risky as well. I suppose they could chain it down with something like crane weights, but that seems crude.

[ManOleg]

It is not a "problem".
It is a regular work of tech development researching while making a tests.

[Lech_Robakiewicz]

Remember soviet N-1 Moon mega-rocket? It had (in first stage) - almost the same - 30 engines. And the same problems... No one N-1 reached even Earth's orbit...

[vishmithasivasinghe]

The tru explores of humanity is just starting up wow keep it going we will be multi planatery

[jameswilson]

Good work. Non-Click Bate title and new information.

[MRTiJNTJE]

Very good coverage. This guy knows where he is talking about thx ;) 👌👍

[w-is]

SpaceX can save money by launching Starship on Mount Everest.

[zhchbob]

We all waited so long, and I get excited and nervous when the final full engine testing day coming close.

[nighttow]

To the team at great spacex. Forget what these other people say. Sometimes you're going to re-release the same content. Gaps must be filled, and if you're a daily content provider, in order to provide daily content, you must fill these gaps. These other people don't understand what it's like being a Content creator. I do. Keep up the good work guys and always strive for the latest and greatest.

[memrjohnno]

Check out B7 in minute detail while B8 runs a truncated/accelerated test regime up to maybe all outer & separately all inner engines.

[bazoo]

7:20 - Exactly. Try as I might, i cannot think of any reason SpaceX postponed installation of water deluge system (and a pretty punny one) so long.

[ErickAlex]

A yt team with the same work ethic as the company theyre covering. Commendable

[christopherayers]

When static firing 33 engines with only minimal LOX and CH4 loaded, will the thrust to weight ratio be so high that an OLM hold-down clamp may fail?