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A comment on SpaceX Grasshopper Flies High. Parent comment

Re:SpaceX Grasshopper Flies High by wiredfool on Tuesday April 23, 2013 @12:00PM (#5595945)
Another perspective is that the Falcon9 carries about as much kerosene as a 747.
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Re:SpaceX Grasshopper Flies High by 747facts on Tuesday April 23, 2013 @07:53PM (#5598726)
I decided to fact check you. 57,285 U.S. gallons in a fully loaded 747. Jet-A is 6.84 lb/US gal. That's about 196 tons. Looks like stage 1 of the Falcon 9 is estimated to use 239 tons of RP-1 and stage 2 49 tons.

http://www.boeing.com/boeing/commercial/747family/pf/pf_400_...

http://www.spacelaunchreport.com/falcon9.html

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Re:SpaceX Grasshopper Flies High by simonh on Wednesday April 24, 2013 @04:43AM (#5600475)
Cool, so they're well within an order of magnitude of each other.
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Re:SpaceX Grasshopper Flies High by mikeash on Tuesday April 23, 2013 @12:21PM (#5596072)
That's a good one, although a 747 gets its oxygen for free.
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Re:SpaceX Grasshopper Flies High by schiffern on Tuesday April 23, 2013 @04:21PM (#5597710)
LOX is literally cheaper than dirt (8¢/lb, or 67¢/gallon).
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Re:SpaceX Grasshopper Flies High by DavidSJ on Tuesday April 23, 2013 @04:18PM (#5597687)
Yes, but oxygen's pretty easy to come by it turns out.
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