BE-3 LH2/LO2 core stage, BE-4 LNG CBC
This would be a three core heavy launch vehicle with a cluster of 8 to 10 BE-3 in the core stage and two CBC with two each LNG pBE-4’s.The Blue Origin core stage would appear remarkably similar to the SpaceX heavy core stage.
Crossfeed The LNG into a ring atomizer in the bottom of the LH2 Tank to gell it.The alternative is to have two Vulcan CBC’s on the existing Delta-IV and modify the RS-68 to take a gelled propellant for a minute and a half of flight.
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