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Solar Dish Steam Turbine Electric Generator - Page 2

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Posted by Lee on June 12, 2007, 10:54 pm
 
Mr Newton,

I had a good read of your paper.    I thought it was very well
documented and the dish well built.   The only thing I thought odd was
the low efficiency (I think about 1.94%).   I would have thought you'd
get around 10%.   I would have thought that a dish would produce
enough heat to make water a good working fluid.

Regards,



Lee.






On Jun 12, 7:30 am, cnewto...@gmail.com wrote:


Posted by Duane C. Johnson on June 12, 2007, 11:56 pm
 
Hi Lee;


 > Mr Newton,

 > I had a good read of your paper. I thought it was
 > very well documented and the dish well built.

I think so to.
That's why I posted it on my web pages:
http://www.redrok.com/led3xassm.htm#newton

 > The only thing I thought odd was the low efficiency
 > (I think about 1.94%). I would have thought you'd
 > get around 10%. I would have thought that a dish
 > would produce enough heat to make water a good
 > working fluid.

Actually the dish and steam generator is doing just
about as expected. I suspect the turbine was capable
of 10% or better.

I think the stumbling block is in the electric
generator. It was not capable of generating the 500W
or more that the turbine was capable of producing.

 > Regards,
 > Lee.

Duane

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Posted by Steve Cothran on June 13, 2007, 1:47 pm
 On Tue, 12 Jun 2007 18:56:24 -0500, "Duane C. Johnson"

If you don't mind, what was the program you used to create the
schematics on the pages? I've been looking for a good package since
Schema disappeared. Thanks.


Posted by Duane C. Johnson on June 13, 2007, 12:50 pm
 Hi Steve;


 > If you don't mind, what was the program you used to
 > create the schematics on the pages?
 > I've been looking for a good package since
 > Schema disappeared.
 > Thanks.

Some were made using "Electronics Workbench".
(Kind of expensive.)

Now I use a cool program called "TinyCAD".
And it's free! Very nice to work with. See:
http://tinycad.sourceforge.net/
It can also produce a bit map image in ".PNG" format.

For posting I then pass the .PNG image through "Paint"
to convert to a .GIF form which is much smaller for
posting.

Finally I pass it through an old copy of Microsoft
Photo Editor to make the background transparent.
BTW, in my opinion Microsoft Photo Editor is in many
was the nicest photo editor around. OK, its not
a high end photo editor but works very nicely. To bad
they removed it from the standard Windows products.

Duane

--
     Home of the $5 Solar Tracker      Receiver
    http://www.redrok.com/led3xassm.htm       [*]
   Powered by             \  \     \        //|
  Thermonuclear   Solar Energy from the Sun / |
Energy (the SUN)           \  \     \  /  /  |
Red Rock Energy             \  \     /   /   |
Duane C. Johnson   Designer  \  \  /  \ /    |
1825 Florence St  Heliostat,Control,& Mounts |
White Bear Lake, Minnesota    === \   / \    |
USA      55110-3364                ===   \   |
(651)426-4766        use Courier New Font \  |
redrok@redrok.com     (my email: address)  \ |
http://www.redrok.com   (Web site)          ===

Posted by Steve Cothran on June 13, 2007, 7:06 pm
 Thanks, Duane. That's a nice program, and you can't beat the price.

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