Swaziland

Heat Content of Ethanol Gel
Crispin Pemberton-Pigott, August 26, 2007
Dear Friends

Sample Ring From the Ring Maker
Crispin Pemberton-Pigott, New dawn Engineering, July 30, 2006

Sample Ring From the Ring Maker

Crispin Pemberton-Pigott, New Dawn Engineering, Swaziland, June 12, 2006

3 Laterit and Charcoal Dust

Dear Friends

I fired two of the rings today for a brief time, perhaps 3 hours at temperature. No particular care was taken regarding the slow initial temperature rise.

Here is a series of photos of the open source paraffin stove being made by New Dawn Engineering. Not shown are the external tank and hose which can be any suitable size or material. It is an FSP stove by type, which is a 'gravity stove' operating at a slightly elevated pressure but without a pump or compressed tank.

Testing with a CO + CO2 Meter
Crispin Pemberton-Pigott crispin at NEWDAWN.SZ
Wed Jun 30 16:36:30 EDT 2004

Dear Stovers and Testers

I have been keeping my nose to the grindstone here in Swaziland and

Big Improvements For Small Cooking Stoves: The Benefits of Heat Recycling
Crispin Pemberton-Pigott, New Dawn Engineering, January 2004

Paraffin Single Pot Stove Testing, Crispin Pemberton-Pigott, Swaziland, August 2004

Cast Iron Round Bottomed Pot, Steel Frame for Institutional Rocket Stove Peter Scott, Crispin Pemberton-Pigott, Swaziland, November 2005

Construction of the Institutional Rocket Stove at Mahlanya - fuel magazine and combustion chamber Crispin Pemberton-Pigott, New Dawn Engineering, Swaziland, November 2005 (Animated GIF)

Construction of the Institutional Rocket Stove at the Malkerns NCP - Brick and Paver fuel magazine and combustion chamber, Crispin Pemberton-Pigott, New Dawn Engineering, Swaziland, November 2005 (Animated GIF)