Self feeding rocket stove to heat a radiator

Ian Uk wrote:I am looking for a design for a self feeding rocket stove which will installed outside under a cover to protect it from rain.


Self feeding, once started you could use a pellet style feeder?


I would like to be able to heat water, preferably using a tank rather than a coil of copper pipe as I have a 10 and 20 litre tank, which will be used to heat a radiator in a small workshop, I have a 12 volt pump that can be used so the water doesn't boil.

Devils advocate, why not having the rocket stove inside to warm the workshop?

Is there a formula for the length of the flue, burn chamber and the feed tube, I have a length of 6 inch box section, about 6ft long (2 meters) and a 4 inch diameter tubing for the flue pipe which is about 5ft in length.

Box section will not produce the temps required for a totally clean burn and the steel will start to spall in time wrecking your rocket stove....

Where in the uk are you?

You can cast a burn box from sodium silicate, fine clean sand and stove cement, same stuff used to make forged linings, or if chemicals dont tickle your fancy, use good fire bricks.

Ceramic fiber for the riser (where the really hot bit happens)

200l tank over that, assuming you make an 8inch stove.

You need to balance the system, so 8 inch intake 8inch exhaust

I'm sure someone more qualified will be along soon, have you bought the rocket stove book?

Any help anyone can give me would be greatly appreciated

Toby Winston wrote:

Ian Uk wrote:I am looking for a design for a self feeding rocket stove which will installed outside under a cover to protect it from rain.


Self feeding, once started you could use a pellet style feeder?


I would like to be able to heat water, preferably using a tank rather than a coil of copper pipe as I have a 10 and 20 litre tank, which will be used to heat a radiator in a small workshop, I have a 12 volt pump that can be used so the water doesn't boil.

Devils advocate, why not having the rocket stove inside to warm the workshop?

Is there a formula for the length of the flue, burn chamber and the feed tube, I have a length of 6 inch box section, about 6ft long (2 meters) and a 4 inch diameter tubing for the flue pipe which is about 5ft in length.

Box section will not produce the temps required for a totally clean burn and the steel will start to spall in time wrecking your rocket stove....

Where in the uk are you?

You can cast a burn box from sodium silicate, fine clean sand and stove cement, same stuff used to make forged linings, or if chemicals dont tickle your fancy, use good fire bricks.

Ceramic fiber for the riser (where the really hot bit happens)

200l tank over that, assuming you make an 8inch stove.

You need to balance the system, so 8 inch intake 8inch exhaust

I'm sure someone more qualified will be along soon, have you bought the rocket stove book?

Any help anyone can give me would be greatly appreciated