The Propellant Module (PM) will be a variant of the OV, where the rocket engine is replaced by a cryogenic replenishment system. Image A displays the internal structure, and Image B is the external view.
 |
| Image A; The PM internal view |
=<<>>=
 |
| Image B: The PM external view |
=<<>>=
The inert mass of the PM is summarized in Table 1.
Stage Mass = Inert Mass + Propellant Mass
Stage Mass = 2948 + 18053
Stage Mass = 21,001 kg
::