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I don't think a Falcon Heavy would retain enough fuel once getting itself in orbit with 0 payload to give enough delta-V to the entire Artemis Space vehicle. Th

I don't think a Falcon Heavy would retain enough fuel once getting itself in orbit with 0 payload to give enough delta-V to the entire Artemis Space vehicle. That burn has to (generally) happen in a single TLI burn. So there is actually a minimum quanta of delta-V for the mission I don't think FH could meet. You're welcome to run this in Orbital STK if you like.

pfdietz 3y ago
Propellant transfer. There's a reason Senator Shelby was so adamant NASA not work on it -- it greatly reduces any need for a launch vehicle as large as SLS.
- dotnet00 3y ago
  Specifically it completely eliminates the need for a non-reusable launch vehicle as large as SLS.