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New type solar cooker? Compound trough (can be panel too!)

 
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gaiatechnician



Joined: 06 Jan 2008
Posts: 32
Location: Victoria BC

PostPosted: Wed Apr 29, 2009 6:25 am    Post subject: New type solar cooker? Compound trough (can be panel too!) Reply with quote

http://www.instructables.com/id/Compound-solar-cooker/
I will do a better drawing soon. Basically you have a large compound parabolic trough to concentrate the light to an area below the focal point. (Rotate the right hand side of a parabolic dish 30 degrees anticlockwise to get the 30 degree compound parabolic shape) which is good for 2 hours of cooking. The 2 v shaped wings concentrate the light further onto the cooking vessel in the middle. The primary big reflector must be in line with the direction that the sun travels. If you make a panel cooker with this method, you should be able to "grab" more light than a conventional panel cooker.
There has been almost no interest in my "software for solar design" idea.
This solar cooker design comes from using that software.
Please do not dismiss it out of hand.
Anyone want to try it?
Brian White
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Site Admin


Joined: 25 Oct 2006
Posts: 66
Location: Seattle, Washington

PostPosted: Thu Apr 30, 2009 8:34 pm    Post subject: Reply with quote

Can you add a short article about this in the Solar Cooking Archive Wiki?

Thanks,

Tom
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gaiatechnician



Joined: 06 Jan 2008
Posts: 32
Location: Victoria BC

PostPosted: Thu Apr 30, 2009 10:07 pm    Post subject: Reply with quote

Thanks Tom,
But I have not made one yet!
And I have not tested it in art of illusion yet either. (I am not good with software).
I just put it out there in case a bus hits me tomorrow. Seems like a good idea that just might work.
Brian
webmaster wrote:
Can you add a short article about this in the Solar Cooking Archive Wiki?

Thanks,

Tom
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gaiatechnician



Joined: 06 Jan 2008
Posts: 32
Location: Victoria BC

PostPosted: Fri May 01, 2009 2:41 am    Post subject: Reply with quote

Tried a rough mock up in art of illusion and it seemed ok. It is on youtube at
http://www.youtube.com/watch?v=Jp4TWLQbYJ4
and the embed code is

<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/Jp4TWLQbYJ4&hl=en&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/Jp4TWLQbYJ4&hl=en&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>
Tell Richard Branson!
Get him to ship the money to Victoria!
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gaiatechnician



Joined: 06 Jan 2008
Posts: 32
Location: Victoria BC

PostPosted: Sun May 03, 2009 5:05 am    Post subject: Reply with quote

webmaster wrote:
Can you add a short article about this in the Solar Cooking Archive Wiki?

Thanks,

Tom

I put it in as the kyoto trough in the wiki but I do not know how to put it in the designs section of the wiki
Perhaps you can do that?
I made a suggestion as a panel cooker too.
I uploaded 2 pictures to it and the second one shows the panel suggestion.
Perhaps it is food for thought if nothing else.
Brian
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Joined: 25 Oct 2006
Posts: 66
Location: Seattle, Washington

PostPosted: Tue May 05, 2009 4:20 pm    Post subject: Reply with quote

Thanks! To add it to the designs, I just added this category at the bottom:
Solar cooker designs

I'll embedd the video. You do this by clicking the embed video tool just above the text box when you're editing an article in the wiki.

Tom
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gaiatechnician



Joined: 06 Jan 2008
Posts: 32
Location: Victoria BC

PostPosted: Sat May 16, 2009 4:45 am    Post subject: Reply with quote

I finally made one and it seems to work ok.
http://www.youtube.com/watch?v=qXVfGFQpYD8
(I got it finished at 5 pm with high clouds overhead and I gave it a go heating up a 1 kg aluminum pot. It got to 80C inside the pot in 10 minutes without a turkey bag to keep in the heat. I might get more tests done tomorrow.
Brian
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