Table I. Lunar cargo mission—chemical propulsion Lunar delivery (cargo)—chemical partially reusable Status date: Jan 27, 1989 Orbital sequential weights/performance STV-Drop-tanks Isp (sec): MPS: 460.0 RCS: 220.0 B/O Rate (kg/day): 22.4 Reserves (%): MPS: 2 RCS: 10 Separated weight: 101968 Stage: 0 Brake: 0 Tanks: 3255 Interstage: 0 (Tanks sized by lunar manned sortie) Sequential wt Delta V Time MPS fluids RCS Mission event MPS RCS day boiloff Nominal fluids Other kg lb Space station separation 148 300 326 943 MPS perigree burn 1 1548 0 0.0 0.0 -43 077 0 -43 077 -94 968 Separate mainstage 0 0 0.0 0.0 0 0 —101968 —101968 —224 799 MPS reserves 0 0 0 0 0 0 0 RCS reserves 0 0 0 0 0 0 0 End of mission, excluding reserves 3255 7176 Total delta weight 1548 0 0.0 0 0.0 —43077 0 —101968 Fluid reserves —862 0 Total usable fluid weight—kg Total usable fluid weight—lb -43 939 0 -96 868 0 — Continued on p. 290
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