SolarCookers

Solar cooking for everyone

To assist in your effort to make better solar cookers by providing ideas, insights, discussions and feedbacks.

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Magnar commented on Magnar's photo
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plastic cover

"I designed this pot with a plastic bag, connected to a wire support. Later I did not found it to…"
14 hours ago
Magnar commented on Magnar's photo
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"This small reflector is actually capable of cooking 0,5 liter of rice and keep the water at a…"
14 hours ago
Brian White commented on Brian White's video
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Solar on a shoestring! (Part of the cone solar from corrugated plastic project).

"Hi, Stefan,  I am in Victoria BC Canada.   I don't do any solar cooking stuff…"
Apr 5
Stefan Karnebäck commented on Brian White's video
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Solar on a shoestring! (Part of the cone solar from corrugated plastic project).

"Hi Brian I see your point and the idea with the "clam". You didn't continue to use…"
Apr 5
Brian White commented on Brian White's video
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Solar on a shoestring! (Part of the cone solar from corrugated plastic project).

"Hi, Stefan,  the clam shape can do one bounce or  2 bounces of light to get the light to…"
Apr 2
Stefan Karnebäck updated their profile
Apr 1
Stefan Karnebäck commented on Brian White's video
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Solar on a shoestring! (Part of the cone solar from corrugated plastic project).

"Very interesting. I was going to use laser  to investigate our models, but haven't done…"
Apr 1
Brian White commented on Brian White's video
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Solar on a shoestring! (Part of the cone solar from corrugated plastic project).

"Yeah, that cookit thing should be good for at least an hour.  My clam shape design was made by…"
Apr 1
Brian White commented on Brian White's video
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Solar on a shoestring! (Part of the cone solar from corrugated plastic project).

"Hi, Stefan,  I did a thing a few years ago  with laser pointers (use small laser levels…"
Apr 1
Stefan Karnebäck commented on Brian White's video
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Solar on a shoestring! (Part of the cone solar from corrugated plastic project).

"Hi there. Which type of solar cooker will be the best if you don't want to move the…"
Apr 1
jennifer wlliams is now a member of SolarCookers
Mar 21
Flint Smith commented on James F Robinson's photo
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"I really like the design of this square parabolic reflector. Thanks for sharing it.  I want to…"
Mar 15
Flint Smith is now a member of SolarCookers
Mar 14
Profile IconPierre VAKALA and Randal Perisho joined SolarCookers
Feb 18
Magnar commented on Magnar's photo
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"A very small hand made solar cooker with a tin can in a glass, and temperature has reached 138…"
Feb 14
Magnar commented on Magnar's photo
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"Rice is cooked in an ordinary  tin can painted black. It has been cooked in an mini and…"
Feb 14
Magnar left a comment for Ashok Kumar Singh
"Dear Ashok Thank you very much for joining this networking site of mine. I would be very pleased to…"
Feb 14
Ashok Kumar Singh is now a member of SolarCookers
Feb 14
Ankit Ramoliya was featured
Feb 12
Ankit Ramoliya posted a photo
Feb 11
 

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Blog Posts

The making of the Kolamba Solar Cooker

The first prototype of the Kolamba Solar Cooker saw daylight already in 2009. It was based on the previous Deep Double Funnel Cooker that I made locally a few years ago in Congo-Brazzaville.

The Kolamba Solar Cooker is a…

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Posted by Magnar on August 9, 2013 at 10:00am

The Voukana Solar Cooker



In the making of the Voukana Solar Cooker, I was using the same team that made the Deep Double Funnel Cooker in 2009. They started out with paper…

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Posted by Magnar on October 27, 2012 at 11:00pm — 8 Comments

Latent-Heat solar cooker

“There are a lot of solar cookers out there, but surprisingly not many using latent-heat storage as an attribute to cook the food.” (barbequelovers)  The remark comes from David Wilson, a MIT professor. He has found a way to conserve the energy of the sun by using a Fresnel lens to melt down a container of Lithium Nitrate. Lithium Nitrate is a salt with a melting point 491 F or 255 C, (Wikipedia) which makes it ideal to conserve energy for solar cooking. It even promises to allow for…

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Posted by Magnar on November 23, 2011 at 10:00pm

Water heating with a plastic bottle.

 

10 liters transparent plastic bottles can be fond everywhere in Africa and elsewhere as well. Lately I have found a way to heat water with these transparent plastic bottles. If you follow the pictures, I will show you how you can try it out for yourself.…

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Posted by Magnar on April 13, 2011 at 4:15pm — 1 Comment

How to construct cones from 2D shapes

I was asked last week how to design and construct the cones in a solar cooker from 2D shape. Sure, once you have designed the right 2D shape it is not a problem to fold them together to get the cone. But how do we calculate the 2D shape.



I have added a few figures to illustrate the calculation. Below is the parabolic shape of a 6 cone solar cooker. The dotted line shows you where you find the 45 degree cone. You can use the same techinque with all cones, but I am only showing how I… Continue

Posted by Magnar on September 29, 2010 at 9:51pm — 3 Comments

Solar Cooking and Health

Recently I came across a very nice article of health and solar cooking from Boiling Point No 52, 2006 by Darwin O’Ryan Curtis of Solar Household Energy Inc. You can find the whole article in Practical Action here: http://practicalaction.org/practicalanswers/product_info.php?products_id=182



I would like to share some health related parts of this article wich I found very good here on… Continue

Posted by Magnar on July 21, 2010 at 8:00am

 
 
 

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