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Article #711Re: Is Shuttle Tether experiment for real?
From: Dick Jackson
Date: Tue, 04 Aug 1992 15:02
Date: Tue, 04 Aug 1992 15:02
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In article <1992Aug3.032548.28245@sctc.com> beede@sctc.com (Mike Beede) writes: > >The answer to the original question is ``yes.'' The energy comes from >slowing down the shuttle. But, if you can afford to do that, it's >really cheap. I remember a story some time ago in Analog involving >the reverse scheme -- by driving a current through the tether, they >altered the orbit of the vehicle without any reaction mass. This >might be of more long-term interest, I'd think. National Public radio's piece on this experiment mentioned this as a long term possibility. I understand the principles at work (I think) and it seemed to me that the force produced would act on the wire, which being non rigid would presumably float up but could not cause the shuttle/mother craft to change orbit. Wouldn't the "wire" have to be rigid for this to work? Dick Jackson
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arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!darwin.sura.net!wupost!cs.utexas.edu!sun-barr!ames!agate!linus!philabs!ttidca!soldev!jacksonReferences:
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Path: arc1-ca.pugleaf.net!sparky!uunet!paladin.american.edu!darwin.sura.net!wupost!cs.utexas.edu!sun-barr!ames!agate!linus!philabs!ttidca!soldev!jackson From: jackson@soldev.tti.com (Dick Jackson) Newsgroups: sci.physics Subject: Re: Is Shuttle Tether experiment for real? Message-ID: <37198@ttidca.TTI.COM> Date: 4 Aug 92 15:02:25 GMT References: <1992Aug02.180336.30675@ns1.cc.lehigh.edu> <1992Aug3.032548.28245@sctc.com> Sender: nobody@ttidca.TTI.COM Organization: Transaction Technology Inc. Lines: 17