Behold:

The next rocket stove design to test, a box rocket! Luckily consumer culture has just the thing to make a stovetop, a cast iron casserole pan.  It burned reasonably well when the wind wasn’t knocking over the chimney. It burnt much better when we converted it to a standard J tube (sorry no pictures). It burnt well enough and had enough functionality that I would like to test this in situ. The next steps are to build the infrastructure to set this up in a hoop, we need a concrete and a chimney. Then, we can test out some designs and zero in on a design to build!

Here is the original inspiration: