by Brad
(Las Vegas)

This particular solar cooker design caught my eye, and I was wondering if anyone has used it.


The designer/inventor said that there was no need to use a plastic bag, as the reflector provides ample heating for a black cooking vessel.

Since an oven bag costs little, why would you NOT use it to help trap UV rays and provide air insulation?

In my own testing, with two identical panel cookers containing a pot of water, the poly bag variable was tested. The one without the bag reached 100F and the one with the bag reached 142F.

The reason I mention this, is that when you introduce a product that represents a paradigm shift, it's failure to succeed will forever taint the concept that has been introduced by the failed product.


It is an interesting cooker design.

Thanks again Brad for your always insightful and very useful knowledge with regards to all of these solar cooking questions and ideas that abound on the internet.


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Aug 06, 2012
User of Sun2Cook
by: Dave K

I have made a couple cookers based on the Sun2Cook design. Given the large reflector area they work well.

We use either the oven bag, large glass casserole pot or the HopPot. I feel some form of "greenhouse" enclosure improves the cooking temperature.

I like this design as it can be adjusted to any sun angle. So it can start cooking with the first morning sun and later into the evening. It also can be angled for low winter sun.

Drawbacks are it catches more wind (top panel can be bent back to minimize) and it is large when folded (18x36 inches).

May 17, 2012
cooking bag
by: Sun2Steam

I agree that a cooking bag will increase the temperature and the performance of a solar cooker.
However on the need for a cooking bag is described as a disadvantage for cookers in developing countries as the bag is difficult to get and its maintenance is an extra effort.

Mar 20, 2012
by: Brad

I've thought about how you would make a standard, and since the sun varies in angle and intensity, depending on where you live, it would be difficult. I've seen some interesting efforts:


This link is to a study of the Cookit Solar Cooker, using lasers.

Mar 19, 2012
Brad.. well said
by: Jim La Joie

Brad, I agree.
Solar cooking is still struggling for acceptance and every marginal design detracts from the reputation of the entire community.
It would be nice to see an independent testing and rating of the various designs.

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