[Stoves] Large pipe stove

Crispin Pemberton-Pigott crispinpigott at outlook.com
Fri Jan 15 16:26:32 CST 2016


Dear Friends

 

This stove was spotted in the wild in Dushanbe, Tajikistan, and also at the
local bazaar.

 



 

This is much larger than it appears because there is no scale in the photo.
The diameter may be up to half a metre. It is used for parties and weddings.
A very large pot or wok is placed on top. The fire is lit underneath. The
v-slots allow hot gases to flow past the pot surface increasing the heat
transfer efficiency.  

 

The holes and vee were created using a high current and a welding rod, which
was used as a 'gouging rod'. A gouging rod is a special type of arc welding
rod that doesn't lay down any metal. If just creates as much heat as
possible using the arc, and lasts as long as possible. It tends to blast
gases forward like a cutting torch. Few people use them, but the principle
can be used to cut metal in a jagged way, using a standard rod at higher
than normal power.

 

This type of cutting was observed many times on artisanal products.

 

Regarding the use of a vee notch instead of a small pot rest, note the
similarity of the pipe stove to this traditional clay stove from Gorontalo,
Indonesia. The effect of this design is to limit the excess air level in the
fire.

 



 

Regards

Crispin

 

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