On Thu, 6 Feb 2003 20:30:39 +0200, you ("Firat Barlas"
<firat@macrolimit.com>) wrote:
>Another line in article says " A rational person might have laughed out loud
>at the thought that although school busses are replaced every decade, a
>spaceship was expected to remain in service for 40 years"
This is not unusual. School busses are mass-produced and have a life of
constant and daily wear and tear, with little maintenance compared to
usage. Space Shuttles are individually built and undergo extremely detailed
and careful maintenance between their missions, plus major overhauls and
system improvements every couple of missions, all being done by highly
qualified personel and under the close scrutiny of a horde of quality
inspectors. Shuttles spend by far most of their life in workshops being
treated like raw eggs.
CU! Markus
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