On my trip to Haiti in March 2016, I finished the ammo box stovetop oven. It is made with two ammo boxes, ceramic fiber board insulation, some stainless steel sheet, and various hardware. The oven chamber is 13" x 13" x 5". I plan to add split firebricks on the floor for use as a pizza oven. It fits on a household rocket stove but could be used over virtually any heat source.nike black leather school shoes clearance outlet

TOASTER SLOT BRIQUETTE STOVE
I have been designing some briquette burning stoves for El Fuego del Sol, which is making square fuel briquettes from paper, cardboard, and sawdust in Port au Prince, Haiti:
https://sites.google.com/a/elfuegodelsol.com/elfuego/
The stoves are loosely based on rocket stove principles. My latest stove is inspired by the toaster. Briquettes are like thick pieces of bread. For good combustion they need to be surrounded by air and slightly separated from each other and the liner wall. This design holds 4 briquettes in two vertical slots of expanded stainless steel. As they burn down, new briquettes are added through insulated swinging door flaps.
Wrapping new briquettes in a sheet of paper before insertion ensures quick ignition and minimal smoke production.
Air comes in the front and bottom and can get to all sides of the briquettes. The insulated doors block much of the radiant heat from the upper briquettes from escaping out the front and keep briquettes from rolling out of the stove.
The liner will be surrounded with insulating bricks and have a galvanized steel outer shell. There will be a pot support frame and sheet metal pot skirt at the top.
The concept should also work well with round briquettes and dung fuel.
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I was finally able to complete my tractor jack briquette press on a recent trip to Haiti. I started it in the spring, but had to load it into a shipping container in May before I could complete and test it. It uses a 3 1/2 ton (3.2 tonne) 48" (122cm) tractor jack. About 30" (76cm) pressing cylinder, 3" (76mm) diameter PVC . Two 3/4" (19mm) threaded rods for tensile members. 4' x 6" (10cm x 15cm) rectangular steel tubing base. Shouldered hole in bottom to hold cylinder base while allowing briquette ejection. 4" x 4" (10cm x 10cm) square steel tubing top. Wood frame. Removable steel plate covers ejection hole for pressing. The machine tips to horizontal for briquette ejection.
The long stroke allows for production of multiple briquettes at once with plastic disc spacers.
The current design produces pucks. Holey briquettes are possible with some modifications. We hand tore the paper and only soaked it briefly. The briquettes were quite dense and held together well.Nike Air Max 200