Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!mnetor!uunet!seismo!rochester!PT!andrew.cmu.edu!ww0n+
From: ww0n+@andrew.cmu.edu (Walter Lloyd Wimer, III)
Newsgroups: comp.arch
Subject: Re: Disk Striping (description and references) plus class brief
Message-ID: <cV=3A8y00UoB0qA0AT@andrew.cmu.edu>
Date: Fri, 21-Aug-87 07:46:16 EDT
Article-I.D.: andrew.cV=3A8y00UoB0qA0AT
Posted: Fri Aug 21 07:46:16 1987
Date-Received: Sun, 23-Aug-87 00:43:48 EDT
Organization: Carnegie Mellon University
Lines: 30
In-Reply-To: <164@umich.UUCP>


> From: cja@umich.UUCP (Charles J. Antonelli)
> Subject: Re: Disk Striping (description and references) plus class brief
> 
> In article <2838@phri.UUCP> roy@phri.UUCP (Roy Smith) writes:
> >       I understand that in big power plants, the insides of the
> >generators are filled with hydrogen instead of air because the speed of
> >sound is faster so the rotor tips don't go supersonic.  Apparantly, as long
> >as you keep oxygen away, there is no danger of explosion.
> 
> Yeh, I'll bet the designers of the Hindenburg had the same attitude.
> 
> Charles J. Antonelli           Phone:     313-936-9362
> 44 Adv Tech Laboratories Bldg  Internet:  cja@crim.eecs.umich.edu
> The University of Michigan     Uucp:      {umix,mibte}!umich!eecs.umich.edu!c\
> ja
> Ann Arbor, MI   48109-2210
> 


Then why not use helium instead?  It's mass is about four times that of
hydrogen, and I don't know the speed of sound in each gas offhand, but it
might just work. . . .


Walt Wimer
Carnegie Mellon University

Internet:  ww0n+@andrew.cmu.edu
Bitnet:    ww0n+%andrew.cmu.edu@cmuccvma
UUCP:      ...!{seismo, ucbvax, harvard}!andrew.cmu.edu!ww0n+