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From: news@cit-vax.Caltech.Edu (Usenet netnews)
Newsgroups: sci.space
Subject: Re: The vestibular system in rotating structures
Message-ID: <1101@cit-vax.Caltech.Edu>
Date: Thu, 30-Oct-86 22:52:42 EST
Article-I.D.: cit-vax.1101
Posted: Thu Oct 30 22:52:42 1986
Date-Received: Fri, 31-Oct-86 13:23:12 EST
References: <12251039742.21.SOTOS@SUMEX-AIM.ARPA>
Reply-To: jon@csvax.caltech.edu (Jon Leech)
Organization: California Institute of Technology
Lines: 20

Organization : California Institute of Technology
Keywords: 
From: jon@oddhack.Caltech.Edu (Jon Leech)
Path: oddhack!jon

In article <12251039742.21.SOTOS@SUMEX-AIM.ARPA> SOTOS@sumex-aim.arpa (John Sotos) writes:
>... So, if you allow a maximum rpm of 3
>and try to produce earth gravity in your space colony, you have to
>have a structure with a very large radius (it's an easy calculation,
>if you remember how to do it!).  Clearly, pseudo-gravity will not be
>possible for a Mars trip in a reasonably sized spacecraft. 

	We can obtain arbitrarily large radii by connecting two modules
with a cable. It should be straightforward to see if a combination
of 1g and low enough RPMs can be obtained with reasonable materials
(Kevlar cable, perhaps?). I hate to think of the cable breaking, though...

	-- Jon Leech (jon@csvax.caltech.edu || ...seismo!cit-vax!jon)
	Caltech Computer Science Graphics Group
	__@/