June 2006

6 Left Charcoal+Laterite, Right Laterite Only

12 June 2006 - 10:31am

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5 Ring As Formed

12 June 2006 - 10:30am

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4 Ring Molded in a TBrick Machine

12 June 2006 - 10:29am

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3 Laterit and Charcoal Dust

12 June 2006 - 10:25am

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First Rocket Rings Fired

12 June 2006 - 10:23am
Pemberton-Pigott

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

3 Laterit and Charcoal Dust3 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.

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Swaziland
Rocket
Clay
Mass Production

Berick Pot

11 June 2006 - 7:56pm

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Pema Pot Skirt

10 June 2006 - 7:40am

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The Pema Pot Skirt

10 June 2006 - 7:39am
Rangdrol

Pema Pot Skit
Jigme Rangdrol June 10, 2006

Pema Pot SkirtPema Pot Skirt

There seems to be actual agreement that pot skirts make combustion stoves better.
It is clear however that the bulk of deployed stoves do not have pot skirts.
Therefore an inexpensive pot skirt that could be made in the third and fourth world for those deployed stoves would have some usefulness.

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Skirt
Metal

Heat Loss in a Cook Pot at Constant Temperature

10 June 2006 - 7:12am
Berick

Heat Losses in a Cook Pot at Constant Temperature (pdf)
Alan Berick, Aprovecho June 10, 2006

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Berick Pot
Heat Transfer

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