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From: tdh@frog.UUCP (T. Dave Hudson)
Newsgroups: talk.politics.misc,sci.misc
Subject: Re: greenhouse effect / solar power satellites
Message-ID: <2158@frog.UUCP>
Date: 2 Apr 88 00:43:00 GMT
References: <22678@bbn.COM> <5564@well.UUCP> <761@spdcc.COM> <763@spdcc.COM>
Followup-To: dev.null
Distribution: na
Organization: Superfrog Heaven [ CRDS, Framingham MA ]
Lines: 11
Summary: high-school algebra

>> A system with a 50% efficient converter would produce twice 
>> as much heat as a 90% converter (including the rest of the system, and the 
>> consumer).

>       you are wrong, here.  both the 'useful power' and the 'waste heat'
>       end up in the environment as heat.  

Yes, he was wrong.  A 50% efficient plant producing X electricity
ends up producing 2X heat, and a 90% produces 1.1X heat.  It is only
a 1.8 ratio, not 2.  :-)

				David Hudson