On Sat, Mar 07, 2009 at 09:26:28AM +1100, Ben Finney wrote:

>The difference between them being, of course, that there are far fewer
>NASA shuttle launches than Boeing 777 airliner flights. That means
>that NASA's fixed overheads (for e.g. infrastructure and skilled
>personnel) must be divided between far fewer maintenance runs, making
>them much higher per run.

Also that the "maintenance" on a shuttle involves giving the engines a
full strip and rebuild, much like the early jet engines - not something
one would expect for a more mature technology.

R
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