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spacex reusability analysis
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What are the cost savings associated with SpaceX reusing the first and second stages?Disclaimer: not official; conclusions not necessarily accurate.Credit: retiringonmars at /r/spacexJan 2014
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Cost ($)Flight numberAveraged cost of first stageTotal cost of launch if first stage reusedAveraged cost of second stageTotal cost of launch if both stages reused
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New Falcon 956,500,000142,375,00056,500,00013,925,00056,500,000
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New first stage42,375,000221,187,50035,312,5006,962,50028,350,000
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New second stage13,925,000314,125,00028,250,0004,641,66718,966,667
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Fuel per launch200,000410,593,75024,718,7503,481,25014,275,000
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58,475,00022,600,0002,785,00011,460,000
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Conclusions67,062,50021,187,5002,320,8339,583,333
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Reusing the first stage three times halves the overall cost of launch. Reusing 9 times cuts the cost to 1/3. However, there is little benefit to first stage reuse beyond that… Reusing both stages just once halves the total cost of launch. In addition, reusing both stages four times reduces the cost to 1/4, and reusing eight times reduces to 1/8. 76,053,57120,178,5711,989,2868,242,857
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85,296,87519,421,8751,740,6257,237,500
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94,708,33318,833,3331,547,2226,455,556
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104,237,50018,362,5001,392,5005,830,000
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113,852,27317,977,2731,265,9095,318,182
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123,531,25017,656,2501,160,4174,891,667
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133,259,61517,384,6151,071,1544,530,769
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143,026,78617,151,786994,6434,221,429
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152,825,00016,950,000928,3333,953,333
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162,648,43816,773,438870,3133,718,750
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Ten reuses brings the total cost of an orbital Falcon 9 flight to less than 6 million, just as Shotwell described.172,492,64716,617,647819,1183,511,765
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182,354,16716,479,167773,6113,327,778
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192,230,26316,355,263732,8953,163,158
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202,118,75016,243,750696,2503,015,000
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