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MaltenesePhysics t1_isrkxm7 wrote

Reply to comment by bambooboi in NASA outlines case for making sole-source SLS award to Boeing-Northrop joint venture by jeffsmith202

While I’d love to see this, FH doesn’t have the performance margin to lift Orion to the moon in a reusable configuration. Slapping it on an expendable Starship-derived upper stage and flying it on Superheavy? That’s more feasible than a FH-Orion combo.

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Shrike99 t1_isryord wrote

Falcon Heavy in expendable configuration is still an order of magnitude cheaper than SLS. Though even then you'd need some extra development to get it to work - propellant crossfeed, or sticking the ICPS on top of S2.

Starship-derived is definitely the better solution.

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