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Solar Cooking Archive Discussion Forums Forum Index
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  Topic: New 12 Sided Cooker
Bill Bradley

Replies: 14
Views: 120143

PostForum: Technologies (Solar Cookers and Related)   Posted: Mon Apr 05, 2010 1:52 am   Subject: New 12 Sided Cooker
Thanks for posting the pictures. It is good to know that our cooker designs are being used.
Bill Bradley
  Topic: software to follow rays of light for solar cooker design?
Bill Bradley

Replies: 14
Views: 103388

PostForum: Technologies (Solar Cookers and Related)   Posted: Fri Feb 13, 2009 2:04 am   Subject: Compound Parabola
I too am interested in compound parabolics. Several ray traces that I have seen show up to 3 reflections before hiting the pot. I am interested in what can be done without requiring multiple reflect ...
  Topic: CooKit Reflector Angles
Bill Bradley

Replies: 0
Views: 28001

PostForum: Technologies (Solar Cookers and Related)   Posted: Thu Dec 25, 2008 7:53 pm   Subject: CooKit Reflector Angles
For the past several weeks I have been intensely working on two computer programs to analyze the performance of solar panel cookers. I chose the CooKit as the first application.

To use the progr ...
  Topic: Cooker for Workshop
Bill Bradley

Replies: 5
Views: 54704

PostForum: Technologies (Solar Cookers and Related)   Posted: Tue Oct 21, 2008 2:07 am   Subject: Cooker for Workshop
Hi Sharon,
I checked out your EZ-3 cooker and will probably build and test one when I have time. I have built a ROB cooker that is simalar to the EZ-3 except that the pot rather than the whole cook ...
  Topic: Cooker for Workshop
Bill Bradley

Replies: 5
Views: 54704

PostForum: Technologies (Solar Cookers and Related)   Posted: Wed Oct 15, 2008 12:10 am   Subject: Cooker Workshop
This is in response to some of Moe's questions. The workshop is for beginners in solar cooking. Most of the participants are seniors.

I have seen too many cooker building workshops where the par ...
  Topic: Cooker for Workshop
Bill Bradley

Replies: 5
Views: 54704

PostForum: Technologies (Solar Cookers and Related)   Posted: Wed Oct 08, 2008 4:40 pm   Subject: Cooker for Workshop
We are leading a cooker building workshop that consists of two two hour sessions. The question that I would like the groups opinion on is: What is the best cooker to build? There are 12 people signe ...
  Topic: software to follow rays of light for solar cooker design?
Bill Bradley

Replies: 14
Views: 103388

PostForum: Technologies (Solar Cookers and Related)   Posted: Thu Sep 04, 2008 1:35 pm   Subject: Ray Tracing With Mathcad
I have done some two dimensional ray tracing with Mathcad. It is a bit tedius, but works quite well. The idea is to write an equation for each ray and then use the graphing function to plot the ray. ...
  Topic: Solar Cooking on TV
Bill Bradley

Replies: 1
Views: 35208

PostForum: Worldwide Advocacy   Posted: Thu Sep 04, 2008 12:52 pm   Subject: Solar Cooking on TV
On Saturday July 26 we cooked a complete meal for 15 people totally in the sun and did a power point presentation on solar cooking after dinner. It was a full meal including appetizers, main course, ...
  Topic: 16-sided triple-angled version of Bill Bradley's cooker?
Bill Bradley

Replies: 3
Views: 48507

PostForum: Technologies (Solar Cookers and Related)   Posted: Wed Jan 30, 2008 12:45 am   Subject: Design of N sided Triple Cooker
I have completed a Mathcad program that, given the diameter and number of sides, computes all of the dimensions of the cooker. I will put sample results on our website and the solar cooking wiki as s ...
  Topic: Bi-Level cooking pot (USA)
Bill Bradley

Replies: 1
Views: 39795

PostForum: Europe and North America   Posted: Mon Jan 14, 2008 10:08 pm   Subject: Bi-level Pot
Thanks for the info about the pot. I too have been looking for a multilevel pot for some time.

I am ordering two of the double boilers because I want to run some tests where I use identical pots i ...
  Topic: 16-sided triple-angled version of Bill Bradley's cooker?
Bill Bradley

Replies: 3
Views: 48507

PostForum: Technologies (Solar Cookers and Related)   Posted: Tue Jan 08, 2008 10:00 pm   Subject: Sixteen sided triple cooker
It is possible to build a 16 sided triple angled cooker. However, depending upon the size of the cooker, it may not be necessary to go from a double to a triple cooker. For example, the 0.8 meter do ...
  Topic: New 12 Sided Cooker
Bill Bradley

Replies: 14
Views: 120143

PostForum: Technologies (Solar Cookers and Related)   Posted: Mon Jul 30, 2007 1:20 am   Subject: Precision of Dimensions and Angles
Can you say something about why the dimensions are so precise? Your arcs are accurate to a hundredth of a degree (i.e. less than an arc minute) which seems unlikely to be achievable outside a sophisti ...
  Topic: Bright Aluminum Reflectors
Bill Bradley

Replies: 0
Views: 35599

PostForum: Technologies (Solar Cookers and Related)   Posted: Thu Jul 26, 2007 1:16 pm   Subject: Bright Aluminum Reflectors
Does anyone know a source for bright aluminum refelctor material for solar cooker construction such as that used for the reflectors on the Sun Oven? Preferably in the US.

Bill Bradley
  Topic: New 12 Sided Cooker
Bill Bradley

Replies: 14
Views: 120143

PostForum: Technologies (Solar Cookers and Related)   Posted: Thu Jul 26, 2007 2:14 am   Subject: Support for Cooker and Pot
Hi MARC
You are absolutely right when you say that our cooker needs a stand to hold the cooker and the pot. Moving the pot to the mouth of the cooker makes the cooker more efficient, but the pot mus ...
  Topic: New 12 Sided Cooker
Bill Bradley

Replies: 14
Views: 120143

PostForum: Technologies (Solar Cookers and Related)   Posted: Thu Jul 26, 2007 1:24 am   Subject: Revised Drawings of Cooker Cone
We have revised the drawings of the cooker cone on our web site. This should make them easier to understand and use. The drawing of the cone layout has been revised and a new drawing of one of the t ...
 
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