I remember reading about this guy in Wired magazine.
http://www.wired.com/wired/archive/15.03/play.html?pg=9
http://www.siei.org/mainpage.html

The cost of his system seem a bit high, but maybe it would be a good 
place to start for the feasibility of different ideas.


Technomage-hawke wrote:
> ok,
> I know some of you are engineering types.
> 
> I am starting to look at the idea of home building a fuel cell here that can 
> power my machines "off the grid" if need be. I am not worried about the fuel 
> source itself (hydrogen can be easily got with some solar cells, graphic 
> electrodes and starage media). What I am worried about is this:
> 
> 1. Building one cheaply
> 2. available materials (preferably from lowe's or home depot) with the 
> exception of the electrolytic material and possibly the catalyst materials)
> 3. a method of containment (A good quality housing that will keep the 2 parts 
> of the fuel seperate until introduced into the catalyzing chamber)
> 
> any other suggestions that would help.
> 
> In a way, this would be a different sort of open source project. I am not 
> looking to make this proprietary and would love to have a means of backup 
> power for extended periods (especially considering how expensive electricity 
> and natural gas are going to get in the not too distant future).
> 
> any good ideas will help. I'd like to be able to engineer and assemble a small 
> test unit in my garage with only a minimal of technical know-how (I can learn 
> if I have to).
> 
> - Eric
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Stephen P Rufle
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