Re: How to make money fast (in science fiction)

Luke Campbell opined

>On Apr 8, 5:35 pm, Ric Locke <warlo...@[EMAIL PROTECTED]
> wrote:
>> On 8 Apr 2008 9:34:39 -0500, Ash Wyllie wrote:
>>
>> > The Stirling engine is by far and away the most efficient device that
>> > converts heat into mechanical work. Up to 80% of Carnot potential can
be
>> > obtained.
>>
>> Quite true.

>I suppose this is a bad place to mention that some gas turbines can
>get within 90% of the Carnot efficiency?

No.

But a Stirling engine is less stressed, and using Tungsten one can push
Carnot
efficiency towards 90%. That would give an overall efficiency of 70%+
before low
temp bottoming cycles.

                         -ash
                         Cthulhu in 2008!
                         Vote the greater evil.