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Cost of S-IC on Saturn V


Tank Buddy

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After thinking of it during school today, I wanted to find out how much it costs to launch a Saturn V, or at least one stage. So here's the math:

The S-IC burns RP-1 and LOX

RP-1: 209,000 gallons @ 635,029.381 Kg

Price in the 1960's: $.05 per Kg.

Cost of RP-1: $57660.66

LOX: 334,500 gallons @ 1441516.552 Kg

Price NASA paid: $.04 per Kg

Cost of LOX: $31751.47

Total cost: $89,412.13 for ~150 second of burning @ $596.12 per second

IT COSTS 7152.97 DOLLARS TO FIRE THIS ENGINE FOR TWELVE SECONDS.

cVcbsH6.jpg

Sources:

  1. http://history.msfc.nasa.gov/saturn_apollo/documents/First_Stage.pdf
  2. http://www.astronautix.com/props/loxosene.htm

Image:

http://steamcommunity.com/sharedfiles/filedetails/?id=183784664

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Fuel and propellant cost is probably the least relevant metric for determining the cost of a launch. It's just peanuts compared to the hardware, infrastructure and manpower cost.

Exactly. Just for comparison, all the liquid propellants for a shuttle launch costed $1.3 million. Meanwhile the total cost per launch ended up around $1.4 billion.

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It seems that this forum's two primary references are Wikipedia and xkcd... Here's a relevant link to the latter:

xkcd Money chart

The chart's legend says that all values are in 2011 US dollars. According to the chart's "Megaprojects" area in the Billions region, the Apollo program cost 192 billion. The ISS has cost 138 billion so far, and the space shuttle program totaled 195 billion. I am going to leave it to others to decide how to break up the 192 billion cost of the Apollo program on a per launch basis.

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