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RE: RE: starship-design: Hull Materials

To: "'KellySt@aol.com'" <KellySt@aol.com>, "'LIT Starship Design Group'" <starship-design@lists.uoregon.edu>
Subject: RE: RE: starship-design: Hull Materials
From: "L. Parker" <lparker@cacaphony.net>
Date: Thu, 13 Nov 1997 07:51:42 -0600
Reply-To: "L. Parker" <lparker@cacaphony.net>
Sender: owner-starship-design@lists.uoregon.edu

On Wednesday, November 12, 1997 11:01 PM, KellySt@aol.com 
[SMTP:KellySt@aol.com] wrote:
> Does this mean my litium-6 sail and fuel plug will have a heating 
problem?
>
>  Cruise speed was supposed to be over .4 c.
>
> Kelly

No, heating from interstellar impacts doesn't become severe until you reach 
better than .9c. Besides, the material has to stop or at least slow down 
the impacting object in order to absorb heat from it. Anything hitting a 
lithium sail will go through it like tissue paper... :-)

Lee

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