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- From: jarnis@mits.mdata.fi (Jarno Kokko)
- Subject: Re: Galileo update?
- Organization: Microdata Oy, Helsinki, Finland
- Date: Thu, 28 Jan 1993 15:33:36 GMT
- Message-ID: <1993Jan28.153336.8100@prime.mdata.fi>
- References: <26JAN199316452669@kelvin.jpl.nasa.gov> <1993Jan27.133908.16401@prime.mdata.fi> <27JAN199316252809@kelvin.jpl.nasa.gov>
- Sender: usenet@prime.mdata.fi (Usenet poster)
- Nntp-Posting-Host: mits.mdata.fi
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- In article <27JAN199316252809@kelvin.jpl.nasa.gov> baalke@kelvin.jpl.nasa.gov (Ron Baalke) writes:
- >In article <1993Jan27.133908.16401@prime.mdata.fi>, jarnis@mits.mdata.fi (Jarno Kokko) writes...
- >>Have people thought about combining hammering with the orbit insertion?
- >>I think hammering when whole spacecraft is vibrating due to motor
- >>firing would shake loose about anything :-) .. Or is it impossible
- >>due to some minor technical detail?
- >
- >I don't think that would be a wise thing to do. The motor firing has be
- >done at a precise time with the spacecraft in the proper attitude. If the
- >hammering was done during the motor firing, and the antenna was to pop
- >open, it could change the spacecraft attitude enough to really mess up the
- >orbit insertion. Besides, the spacecraft will very busy as it is during
- >the orbit insertion, collecting the probe data, performing a 1000 km Io flyby
- >and collecting science data on Jupiter.
-
- I suspected that the spacecraft would be busy doing something FAR more
- important than the antenna motor hammering .. so forget that.. I guess
- a VERY high rate data compression routines would be more helpful to this
- mission than ideas how to open the antenna... :-)
-
- - Jarnis
-