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Xref: cantaloupe.srv.cs.cmu.edu rec.arts.sf.science:5719 sci.space:60827Newsgroups: rec.arts.sf.science,sci.spacePath: cantaloupe.srv.cs.cmu.edu!crabapple.srv.cs.cmu.edu!bb3.andrew.cmu.edu!news.sei.cmu.edu!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!cs.utexas.edu!utnut!utzoo!henryFrom: henry@zoo.toronto.edu (Henry Spencer)Subject: Re: Orion drive in vacuum -- how?Message-ID: <C5LFJ7.3AD@zoo.toronto.edu>Date: Fri, 16 Apr 1993 20:28:17 GMTReferences: <1qn4bgINN4s7@mimi.UU.NET>Organization: U of Toronto ZoologyLines: 15In article <1qn4bgINN4s7@mimi.UU.NET> goltz@mimi.UU.NET (James P. Goltz) writes:> Would this work? I can't see the EM radiation impelling very much>momentum (especially given the mass of the pusher plate), and it seems>to me you're going to get more momentum transfer throwing the bombs>out the back of the ship than you get from detonating them once>they're there.The Orion concept as actually proposed (as opposed to the way it has beensomewhat misrepresented in some fiction) included wrapping a thick layerof reaction mass -- probably plastic of some sort -- around each bomb.The bomb vaporizes the reaction mass, and it's that which transfersmomentum to the pusher plate.-- All work is one man's work. | Henry Spencer @ U of Toronto Zoology - Kipling | henry@zoo.toronto.edu utzoo!henry
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