How to Make a Cone Solar Cooker

Jun 28 2008

Solar Cooking

Cone Solar Ovens

SolReka bullet point Part One - Making a Cone Solar Cooker
Part Two - Making a Pizza Box Solar Cooker
Part Three - Making an Open Panel Solar Cooker.

For the latest news, information and posts for Parts Two and Three on Solar Cooking, please take a moment to Subscribe by email to SolReka.

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SolReka bullet point Part One - Making a Cone Solar Cooker

A simple step-by-step guide to making a Cone Solar Cooker. These instructions were given to the children of the Castle Vale Solar Cooking Club which I organized in the UK last year. The kids absolutely loved it.

What You’ll Need

- Recycled cardboard box
- Aluminium foil
- Newspaper
- Oven baggies
- Non-toxic glue, tape, scissors, ruler, magic marker, black paint & thermometer
- Insulation (straw, newspaper etc)
- Food (chocolate, marsh mellows etc)

How to Make your Cone Solar Cooker

1. Glue two cardboard sheets together to make one long piece, then cover one side with aluminium foil (shiny side up).
2. Bend the cardboard, foil side in, into a cone shape and tape it together. The cone should still be open on both ends.
3. Get a cardboard (pizza) box & paint inside black to absorb heat in bottom of box.
4. Prop the cone in the box with narrow end pointing down.
5. Now put food in an oven bag (cracker with marsh mellow, cook marsh mellow first then add chocolate later).
6. Put the oven bag on the bottom of box in the centre of the cone.

To improve your cone oven, try some of the following tips: -

- Place a few sheets of newspaper in the bottom of pizza box then cover with black cardboard to absorb heat.
- Tape up any holes between cardboard box and cone to stop hot air escaping.
- Attach aluminium foil to inside of pizza box to reflect heat onto oven bag.
- You need the sun to make your cooker work, and also direct cone towards sun.
- Check the temperature of your food at intervals, and keep cone pointing to sun.
- Please allow approximately 1 – 1 ½ hours for oven to warm up.
- What other methods can you think of to improve your oven and to cook things faster?

REMEMBER - NEVER LOOK AT THE SUN DIRECTLY AND ALWAYS WEAR SUNGLASSES AND OVEN GLOVES WHEN HANDLING YOUR OVEN AND FOOD.

Here are some pictures of the Solar Club, showing how the kids got on.

Please subscribe by RSS or email for more information on building the box solar cooker and open panel solar cooker designs.

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8 Responses to “How to Make a Cone Solar Cooker”

dc club Says:
August 1st, 2008 at 12:56 pm
[…] a Cone Solar Cooker including instructions and pictures from a Solar Cooking club I organized.http://solreka.com/blog/solar-cooking/cone-solar-cooker/University of Pennsylvania Alumni Club of Washington, DC - Home… on our club, our events, and the […]
sean reinhardt Says:
October 27th, 2008 at 5:57 pm
i love solar cooking so much it is not even funny
Solar Cooking « The Oriel Says:
January 9th, 2009 at 9:15 pm
[…] How to Make a Cone Solar Cooker […]
DPinterworld.com/blog Says:
January 11th, 2009 at 5:02 pm
Haven’t tried it but from where I live, it’s really possible!

DPinterworld.com/blog’s last blog post..Make Money With Real Estate
Milo Darnello Says:
February 27th, 2009 at 10:47 am
My word you could write sheets on this topic, I didn’t even know these things existed. I can see a sunny day, building a solar oven, nice food and a sleep in the afternoon sun. I wonder if you could make a large version of these oven?
Van Says:
March 19th, 2009 at 10:18 am
Very enviroment friendly, makes a change to see something that does not have a motor or is powered by electric…. I will try this with my scout troop…
SolReka | Solar Power Products Says:
April 14th, 2009 at 11:19 pm
As part of the FT global climate challenge, a guy has just won $75k for designing a box solar cooker.

I wish I’d submitted a bamboo solar cooker, cone or parabolic solar cooker into the competition.

Ah well, we all live and learn.

The box cooker just goes to show how effective and yet simple a design only needs to be in order to gain kudos.

Here is the link to the winning box solar cooker design
http://www.ft.com/indepth/climatechallenge
Recipe Collector Says:
May 10th, 2009 at 12:44 am
I am UK based and find it hard to believe our weather would really make that work more than 2 days a year : LOL

I’d go very hungry if I had to rely on it, but its a great idea just the same.