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'[TECH]:: He3 fusion power / Lunar Helium'
2008\07\22@100735 by Apptech

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>From an Arocket  post

>> So far we haven't got He3 contained fusion, or indeed any
>> form of contained sustained fusion, and He3 is several
>> steps
>> up the hardness ladder from what we will see initially
>> with
>> contained controlled fusion.

> Why?  Specifically, why is fusing He-3 with H-2 any harder
> than fusing H-3
> with H-2?


Far from my specialist topic. But ...
Coz that's what the experts say.
Higher energy levels.
Hotter.
More ..

Artemis project. Excellent You'll be sorry ...

       http://www.asi.org/adb/02/09/

_____________

       http://en.wikipedia.org/wiki/Helium-3
       http://en.wikipedia.org/wiki/Helium_fusion <- not
much use

Almost useful at low technical level
       http://www.space.com/scienceastronomy/helium3_000630.html

       http://fti.neep.wisc.edu/gallery/pdf/space_com063000.pdf



Slideshow.
You'll be sorry again ...

       http://fti.neep.wisc.edu/neep533/FALL2001/lecture25.pdf

This team has one running.
Efficiency is 'a bit low" [tm]

       http://peakoildebunked.blogspot.com/2006/01/227-helium-3-fusion.html

Y don't buy no ugly slideshow (with many "images removed for
copyright reasons" )
FWIW Says reason Chinese want to do lunar access if for He3
mining.

       http://ocw.mit.edu/NR/rdonlyres/Nuclear-Engineering/22-012Spring-2006/C3E48256-762A-49FF-9B18-1E5A5D39F89B/0/helium3_fusion.pdf


2008\07\22@113543 by Chris Smolinski

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>  >From an Arocket  post
>
>>>  So far we haven't got He3 contained fusion, or indeed any
>>>  form of contained sustained fusion, and He3 is several
>>>  steps
>>>  up the hardness ladder from what we will see initially
>>>  with
>>>  contained controlled fusion.
>
>>  Why?  Specifically, why is fusing He-3 with H-2 any harder
>>  than fusing H-3
>  > with H-2?
>

Fusion in general is "hard". Nature can do it with large masses and
the assistance of gravity working for free. It doesn't seem to scale
down very well to our levels. IMHO I don't think it will.

--

---
Chris Smolinski
Black Cat Systems
http://www.blackcatsystems.com

2008\07\22@221555 by Apptech

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Of the references I posted on He3 fusion and lunar Helium 3,
this one ( a "slideshow") makes the best compact
presentation of what is hoped for from it.


       http://fti.neep.wisc.edu/neep533/FALL2001/lecture25.pdf



           Russell

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