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From: savage@boulder.Colorado.EDU (Charles L Savage)
Newsgroups: sci.space.shuttle
Subject: Re: Why are there launch windows?
Message-ID: <7778@boulder.Colorado.EDU>
Date: 30 Mar 89 00:47:14 GMT
References: <36700005@hcx2> <256@cbnewsl.ATT.COM> <7230@thorin.cs.unc.edu> <1665@ubu.warwick.UUCP> <1989Mar24.230920.17804@utzoo.uucp> <2951@kalliope.rice.edu>
Sender: news@boulder.Colorado.EDU
Reply-To: savage@alta.Colorado.EDU (Charles L Savage)
Organization: University of Colorado, Boulder
Lines: 12

>>>>>In article <36700005@hcx2> tom@hcx2.SSD.HARRIS.COM writes:
>>>>>>Why do earth orbit missions have launch windows?

One of the major reasons for a launch windows (with at least the shuttle)
is that the solid fuel needed for lift off needs to be "recharged" every
(I think) four hours.

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