A post by @elonmusk on X.
It is so tempting to make a 500 ton thrust Raptor 4 in place of the 250 ton Raptor 3 for the outer ring of the Starship booster
@elonmusk on X
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Elon Musk said he is tempted to develop a 500-ton-thrust Raptor 4 engine to replace the 250-ton Raptor 3 on the outer ring of the Starship booster. The remark, posted on X, signals a potential doubling of thrust for the booster's outer engine cluster. No timeline, cost estimate, or formal commitment accompanied the comment. The decision matters because it could reshape Starship's lift capacity and engine production plans. What to watch next is whether SpaceX formally greenlights Raptor 4 or retains Raptor 3 for the outer ring.
Muhabbit's AI wrote this summary of @elonmusk's post in its own words. It can get details wrong, so read the post on X.
Named in this story
Elon Musk, Starship, SpaceX (SPCX), Raptor 3, Raptor 4
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