Rocket Stove Shower

Last year me and a guy called Willy built this rocket stove shower at  the Koanga Institute, New Zealand. We got some 60 gallon oil drums for free from the local garage and used a bit of old chimney pipe in the shed. Old bricks, are normally lying around for a stove feed chamber (they were) and we had an L shape piece of welded box section from a previous rocket stove build that we used again.

Cutting the top of the barrel off so we can insert the rocket stove

Looking down in to the barrel at the rocket stove. This will be backfilled with pumice and sawdust insulation

Looking down in to the barrel at the rocket stove. This will be back filled with pumice and sawdust insulation

The rocket stove L was inserted into one of the drums and back filled with pumice and sawdust for insulation. The feed chamber was made from bricks, and sticks out the front of the barrel connecting to the L.

Checking the base barrels are level on the plinth we made. The plinth was made from rammed pumice and clay for insulation and stability

Looking at the two drums acting as a base/support for the water cylinder section. See the top of the rocket stove and the insulation of pumice and sawdust surrounding it

The brick and steel spacers inside the drum before the water cylinder is inserted. See the chimney or heat riser from the rocket stove poking through the barrel

Water cylinder inserted into drums. It’s resting on two spacers made from brick and steel off-cuts

We had an old water cylinder and inserted it in to the two drums on their side whilst propped up on a couple of spacers made from a metal bed frame and bricks. This created a 2 inch cavity around the water cylinder for the heat to flow around before exiting out the chimney.

We connected the cold mains water to the cylinder, turned it on and fired up the stove. Once the water in the cylinder heated up, the cold water running through the copper coil inside it was coming out hot for a shower.

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