More to explore:
Cinder block rocket stove
A Redneck Rocket Stove
cinderblock rocket stove
A Rocket Stove Made From a Five Gallon Metal Bucket - Rocket stoves are great for smokeless outdoor cooking with a minimal amount of fuel - they run on twigs!
Rocket Stove Heating System by engageinlife, via Flickr
Build your own awesome backyard "rocket stove", which cooks food using only twigs and debris for fuel
Hollywood Rocket Stove
And for an oven, I think this image is fantastic: All the details can be found here: weblife.org/...
The Onil Stove. Better than a 3 stone fire for sure! It seems quick and easy to put together.
Kirinkun or Kirin-Kun - portable wood pellet burning rocket stove for cooking and heat. From Japan. The maker, Uniflame, wants to make friends with nature, apparently. Good for them.
What is a Rocket Stove? Why Do I Need One? One of THE most practical things you can own or know how to build.
Heavy Duty Rocket Stove
How to Build a Rocket Stove | Nice, simple design. Anyone can do this.
tin can portable rocket stove - might need this someday
I am soo making this for my dutch oven this fall! Finally I now know what to do with all of those bricks I have piled up!