1976 JSC Evaluation Of SPS Vol2

TAUE VI-D-1-11. POWER SATELLITE ORBIT TRANSFER COST Efficiency of Elec. Thrust System Jet Velocity, M/Sec Specific Impulse (Sec) Thurster Mass (Metric Tons) Thruster Cost @ $500,000/Ton ($M) PPU Power (MW) PPU Cost @ $100,000/MWe ($M) Propellant Mass (Metric Tons) Propellant Cost @ $350/Ton ($M) Chern. Tug Mass (Metric Tons) Chern. Tug Cost @$9000/Ton/Mission ($M) Total Mass (Inc. Satellite Module @ 20,000, Tons) Lift Cost @ $45,000/Ton ($M) Total Cost for Transportation, Millions Direct Transport Cost ($/Ton) % Module Power Used Degradation Factor^) Resulting Available Ground Output M^e Assumed Satellite Module Cost, Millions Total Cost Including Satellite, Millions Total Cost $/KWg Ground Output

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