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- Path: sparky!uunet!portal!cup.portal.com!BrianT
- From: BrianT@cup.portal.com (Brian Stuart Thorn)
- Newsgroups: sci.space
- Subject: Re: How many flights are Orbiters designed for?
- Message-ID: <72762@cup.portal.com>
- Date: Fri, 1 Jan 93 17:03:34 PST
- Organization: The Portal System (TM)
- References: <725748565snz@chrism.demon.co.uk>
- <neff.14.725817375@iaiowa.physics.uiowa.edu>
- <ewright.725822222@convex.convex.com>
- Lines: 32
-
- >In <neff.14.725817375@iaiowa.physics.uiowa.edu> neff@iaiowa.physics.uiowa.edu
- (
- >John S. Neff) writes:
- >
- >>I recall an estimate of 50 flights by a NASA spokesman.
- >
- >The politically (but not necessarily technically) correct line
- >is now that "the Shuttle orbiters will last for longer than their
- >original 100-mission design life."
- >
-
- That came from the Rockwell engineers who upgraded Columbia in
- 1991-1992. Columbia is the oldest and second-most-flown Shuttle
- and they said there was no reason from an engineering standpoint
- that the Shuttle could not fly 100 or more missions.
-
- Keep in mind that the Shuttles have been down for heavy maintenance
- twice in the eleven year history of the program: 1986-88 and
- 1991-1993 (with each Orbiter being down six to nine months at some
- point in this period.)
-
- Hopefully, we'll have a DC-1 or better system to replace Shuttle
- long before any hits one hundred missions.
-
- -Brian
-
-
- -------------------------------------------------------------------------
- Brian S. Thorn "If ignorance is bliss,
- BrianT@cup.portal.com this must be heaven."
- -Diane Chambers, "Cheers"
- -------------------------------------------------------------------------
-