Path: utzoo!attcan!uunet!convex!killer!ames!amdahl!bungia!datapg!viper!dave From: dave@viper.Lynx.MN.Org (David Messer) Newsgroups: sci.space.shuttle Subject: Re: Shuttle Rolling and Throttle Back Message-ID: <1388@viper.Lynx.MN.Org> Date: 20 Sep 88 16:44:14 GMT References: <118@avatar.UUCP> <6400003@cpe> <1226@cbnews.ATT.COM> Reply-To: dave@viper.Lynx.MN.Org (David Messer) Organization: Lynx Data Systems, Eagan, MN Lines: 35 In article <1226@cbnews.ATT.COM> nak@cbnews.ATT.COM (Neil A. Kirby) writes: >In article <6400003@cpe> tif@cpe.UUCP writes: >> > >[some people explain well about the roll maneuver ] > >>(I thought it sounded like a silly question till I realized I >>didn't know the answer :-) >> >>Is there some obvious-to-everyone-but-me reason that the whole launch >>pad couldn't be oriented 90 (or whatever) degrees differently so that >>the shuttle could be in the same flight position without the roll? > >A visiting astronaught explained it this way: >"That roll move is to do in software what we can't do in hardware. With >the early funding cuts in the 70's, NASA couldn't afford extensive mods to >pad 39B." > >The orientation or whatever was set for Saturn launches, not shuttle >launches, and they didn't have the $$$ to change it. However, the Saturn launches also had a roll maneuver. I think the roll depends on the exact launch azimith and varies from launch to launch. -- If you can't convince | David Messer - (dave@Lynx.MN.Org) them, confuse them. | Lynx Data Systems -- Harry S Truman | | amdahl --!bungia!viper!dave | hpda / Copyright 1988 David Messer -- All Rights Reserved This work may be freely copied. Any restrictions on redistribution of this work are prohibited.