4/14/24:
It would appear obvious what part of the ship could be discarded after the tran-lunar injection burn. Is it worth it? In essence, it would be a completely different ship. That costs $$$$.
end update of 4/13/24 post:
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| How much of this rocket is really needed to land on the moon? |
I still say that's a lot of mass that really isn't necessary for the mission. They won't need the raptor engines after getting into lunar orbit, and they won't be coming back in the Starship anyway. If you're going to use a separate thruster system to land on the surface, but not the raptors for the entire burn, then what useful purpose do they serve? It's not going to be reuable either.
The video does not say how the secondary thrusters will be powered. Only that a secondary system will be needed. The raptors are too powerful for the final landing maneuver. Questions, questions. Maybe SpaceX has the answers. But it isn't what's going to land on the Earth or Mars. So there's that.
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