Elon Musk just declared to stop Starship V1 production! Huge update on V2 …
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Elon Musk just declared to stop Starship V1 production! Huge update on V2 …
SpaceX never slows down. Just after the amazing second orbital flight of the Starship, Elon Musk revealed some new details about the next version of the Raptor engine, as we talked about in our previous episode. But that’s not all. Musk also announced that Starship V1 is coming to an end, and teased the next crazy generation of Starship.
On Friday, SpaceX CEO Elon Musk shared a photo of the Starships at Starbase and said: “Four more Starships, the last of V1”.
SpaceX first introduced the V1.0 prototype of the Starship in 2020. Before that, they had built several Starship prototypes, but the V1 prototype was the first one designed for an orbital test flight.
In this photo, we can see 28, 29, 30 and 31.
This means that 32 and 33 might be canceled since they are based on the same design.
For the future prototypes, “Version 2 of the ship holds more propellant, reduces dry mass, and improves reliability”, Elon Musk tweeted.
We can expect that the new ships will have nine engines instead of six, and carry about 1800 tons of propellant instead of 1200 tons. They will also be longer, reaching 58 meters.
This will make it easier for the booster to return to the launch site and increase the delta-v of Starship when refueled in orbit.
But how will they reduce the dry mass if they make the ships bigger? Well, one possibility is that they will use thinner steel, but that seems unlikely – thinner steel would also need more internal supports, which would add more weight.
Actually, SN 7.2 was tested with 3mm steel instead of 4mm back in January 2021, so maybe they are switching to that.
Also, SpaceX will probably upgrade Starship to have nine engines: six Raptor Vacuums and three Sea Levels. More thrust means less gravity losses during ascent, which means more payload capacity.
Of course, dry mass isn’t just the hull, it also includes the engines. But keep in mind that the new Raptors they’re working on don’t need extra shielding inside the back section, so they might cut down on the dry mass a bit depending on how heavy the new Raptors are.
They could also fit more propellant by shrinking the payload area and/or using the flatter Edomes.
Musk didn’t say how much more propellant the newer ships will have, it might not be that much more.
With all the lessons learned from these tests, the next version of Starship and Booster will make this one look like a toy rocket.
I wonder what the next generation after that will be like.
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