Xref: utzoo sci.space:14886 sci.space.shuttle:3859 sci.astro:5523
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From: spinkert@pikes.Colorado.EDU (Scott Casto Pinkerton)
Newsgroups: sci.space,sci.space.shuttle,sci.astro
Subject: Re: Galileo Update
Keywords: Spin Separation
Message-ID: <2832@pikes.Colorado.EDU>
Date: 20 Oct 89 14:52:03 GMT
References: <1939@jato.Jpl.Nasa.Gov>
Reply-To: spinkert@pikes.Colorado.EDU (Scott Pinkerton)
Distribution: usa
Organization: University of Colorado, Denver
Lines: 11

In article <1939@jato.Jpl.Nasa.Gov> baalke@mars.jpl.nasa.gov (Ron Baalke) writes:
>                                     The 2nd stage IUS spinoff at a rate of
>2.9 revolutions/second for the separation of the IUS from Galilio sooned
>followed.

Was this correctly printed ??  The IUS spun itself and the payload up to
174 RPM prior to separation ??  That seems like an incredible controls
problem to prevent the stack from spinning in a very wide "cone".  Also at
actual separation, the CG will jump back some 30-40 feet maybe (don't know
actual Galileo dimensions) - again sounds like one hell of a controls
problem.  Was this meant to be 2.9 RPMinutes ??