|Finished stove from the firebox end I have used the top|
of the acetylene bottle for more mass above the
The Stove components are ;
A 2 ft cylinder cut from an acetylene bottle and a bottle gas bottle (do take great care if you do use either of these cylinders - danger of lethal explosion!)
Ordinary house bricks (out of a skip)
about 4 foot of 7 inch flexible stainless flue liner (out of a skip)
Fire clay (from eBay)
bits and pieces and a frying pan for the lid of the firebox.
The internal flue pipe is single skin steel (scrounged) and the outside chimney is twin wall stainless flue (from eBay - not cheap but take your time and you can find bargains.
The heat storage is made by building a brick wall next to the indoor part of the flue (runs along the whole length of the greenhouse floor) and filling the gap with gravel and concrete slabs.
|Base of the stove - bricks on concrete slab on top of rockwool insulation|
|After the bricks laid with fire clay - I later enlarged the firebox which|
I found too small
|The gas bottle with the top cut off with a jigsaw (this will end up the other way up) and the acetylene cylinder cut with a disk cutter after it has been filled with water to ensure there is no acetylene left inside!|
|the hole cut at the base of the gas bottle to allow the flames to travel out to the flue pipe|
|Carefully shaped piece of flexible flue pipe to bridge then gap from bottle to flue. The whole assembly covered with a mix of sand , cement, and fire clay|