X-Message-Number: 29588
From: "Mark Plus" <>
Subject: Re: Electric aeroplane concept described
Date: Fri, 22 Jun 2007 06:36:18 -0700

Talk about grasping at straws. Even the U.S. Air Force now admits that 
disruptions in the increasingly vulnerable oil supply could cut off its 
access to jet fuel.

Mark Plus


>X-Message-Number: 29582
>From: "John de Rivaz" <>
>Subject: Electric aeroplane concept described
>Date: Thu, 21 Jun 2007 12:19:28 +0100

>The use of the stick rather than the carrot to get cryonicists to 
>concentrate near a facility has frequently relied on argument about 
>governmental interference with the freedom for people to move about their 
>planet. Terrorism is one reason this is happening, but worries about the
environment is another.

>http://www.physorg.com:80/news101391900.html

>describes an aircraft that uses liquid hydrogen to run a fuel cell that 
>provides electricity to a superconducting engine that is also kept cold by 
>the liquid hydrogen. (I am not sure but doubt that superconducting motors 
>generate heat that has to be removed, rather they just need to be kept 
>cold.)

>Liquid hydrogen is hardly a safe fuel, but the concept does illustrate that 
>solutions are being considered and that one is likely to appear before 
>everyone is grounded.

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