SpaceX's NEW trick to face 33 engines...

SpaceX's NEW trick to face 33 engines...
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SpaceX new trick to face 33 engine ignition...

To put itself in position to deliver on its promise to land on the moon next year, SpaceX has had to completely reinvent the way it ensures at least that rockets won’t blow up the launch pad when lift off and explode in the sky.
So, this is SpaceX's new trick to face 33-engine ignition...
Well, SpaceX is supposed to learn from failure to succeed so now, we should take a look back at their valuable lessons during last month's Starship flight.
Firstly, the no-clamps slow throttle-up meant Starship stayed on the pad for a long time, throwing up concrete, rock, and sand in all directions, damaging the pad, nearby facilities, and Starship itself.
Remember those clamps? On a rocket like the Saturn V, they would actually hold the rocket in place for a couple of seconds while the rocket came fully up to power. Then the clamps let go.
SpaceX did it another way. They opened the clamps before the countdown even began. Then they slowly throttled up the rocket on the pad. That’s why it took Starship, with twice the power of a Saturn V, almost twice as long to clear the tower. It just sat there for a lot longer, blasting away at the ground. That was all part of the plan — but it was also part of what doomed the flight.
By the time it left the pad, that debris had already destroyed three of Starship’s engines and likely damaged valves and systems that would lead to additional engine failures as well as an incorrect fuel mixture.
Starship was slow to reach every point in the flight plan, suggesting that other engines were not able to throttle up to compensate for the lost engines.
At what should have been stage separation, either software errors or more smashed hardware kept the main booster firing long after it should have shut down.
The result was an uncontrolled spin that required Starship to be destroyed.
SpaceX's NEW trick to face 33 engines...

[davidsmith]

It was humorous to me when SpaceX announced the plan to use a water cooled steel plate to prevent the blast from 33 Raptor Engines from desurfacins and digging a crater beneath the launch pad. About a month before launch, in a similar post, I mentioned the same concept. Having been a jet engine mechanic and Airframe and Powerplant Mechanic foe nearly 45 years, I have been exposed to numerous schemes that keep metal from melting at enormous temperature and pressure and I believe SpaceX has hit the nail on the head with this iteration of the blast pad surface. The biggest concern is going to be the moon landing. Hopefully, that will go much better with fewer engines and reduced gravity. I'm sure NASA is concerned since they just announced a grant to Blue Origin for a second lunar lander. It's good to have a backup plan but NASA has its on "sack of wax" to deal with after the SLS " leftover-parts-rocket took off. It is wonder to be able to see all of this evolve...

[recifebra]

The concrete didn't damage the first 3 engines as they never started up dude.

[combatking]

FDA: "Why is there smoke coming out of your launchpad, Elon?"
Elon: "Oh, that isn't smoke. It's steam..."

[chrislong]

I sure hope they can pull it off! The next couple of years will be amazing!
... no matter how it goes!

[richardmattocks]

This new idea, if it works, will be amazing.

The concept of “we want to build something that can be reasonably easily installed on another planet” means they can’t do the regular thing.

[tedb.]

"Witness the firepower of this fully-operational orbital launch mount. "

[festeradams]

Time will tell if the cooled plate works, the question still remains as to directing the exhaust and steam away from "delicate" objects nearby...

[Vipcioo]

1:07 - Elon commented that these engines were not damaged by debris, but disabled. He reportedly turned off one of them himself.
The plan assumed the possibility of taking off without 3 efficient engines.

[AP-qszf]

3 engines weren't damaged they chose not to ignite them. The rocket wait on the pad was not according to plan. The rocket actually flew side ways.

[marymarlow]

I've been on my soap box sense the damage to the launch platform, and forced termination about using steam from the water as both a shield, and pressure to help lift the first stage of the heavy lift. Elon's engineers have come up with a method to use the steam produced to aid in the ignition and lift off. There's several ways to use the steam to lift off, and protect the ship, and the the launch pad. We'll just have to see if the way they picked is a successful method.

[billgallaher]

Very nice acknowledgement of what was tried on the last launch and what is going to change. Wonderful improvement from yesterday's post. I'm still not sure if they can keep the water pressure above the rocket pressure at the center of the plate. So much force/heat/noise pressure. The interface as to where the water flashes into steam would seem to move to inside the deluge chamber as the flame blast goes on and I don't see high pressure steam blasting out of those ports providing much protection to the plate anywhere beyond the edge of the port. Sure the plate can reach a couple thousand degrees C no problem, but the water below in the deluge interstitial will be flashing to steam before it even reaches the port. It makes getting the rocket off the pad as quickly as possible the key goal. I agree with some of the other posters that the intentional avoidance of the proven protection method (the flame diverter) is causing the reinvention of the wheel here; however the "this is the way we've always done it" argument rubs me the wrong way every time. Dealing with "the most powerful rocket ever" however should up the launch engineers game out of the gate. Right now they just seem in catchup mode.

[JT-irvw]

Pretty sure several engines in the outer ring never even started up, so they weren't necessarily damage by the debris, they just didn't have restart capability like the inner ring. Also, I believe that the clamps cant fully be removed before startup because the disengage on the clamps also disengages the ability to startup the outer engines, thought I may be incorrect on this.

[thosoz]

Deelushe ???
Try deluge.
A great flood of water; inundation; flood. a drenching rain;
downpour. anything that overwhelms like a flood: a deluge

[MattBorgardt]

So what happened to the other guy now we have a computer-generated voice again

[ajb]

Do they use just water, or have they thought of using a coolant similar to a radiator in your car?

[jeffs]

Water cooled pancake plate is not a deluge system. A deluge system matches rocket thrust created with a near equal opposite force of water.

I hope to be wrong and this plate system works. My assumption is SpaceX does not have enough tanks or water supply for a full-on deluge system.

Remember at one time StarBase was to have originally built a natural gas electric power and a desalination plant to create clean water.

I doubt SpaceX could truck in enough water for a full-on deluge system or have the holding tanks or water pressure for sustainment.

[madchad]

I said it last video, I'll say it Your new video format - the commentator, the story line blended with the facts and pertinent video to support the story along with fresh information is AWESOME! Wash, rinse, repeat! 😁👍

[KillerkoUK]

Haha.. that Rewind effect.. I found the same tutorial :D

[janphilipp]

0:50 they opened the clamps before starting the engine??? What? What about gravity which would drop the rocket to the ground? Did they switch on gravity after engine start?

[carmenescalona]

Cuánto tiempo tarda esa plataforma en perfeccionar su uso para y poder ser operativa con una Starship ?