Water Ram History and Operation

A hydraulic ram, or hydram, is a cyclic water pump powered by hydropower. It takes in water at one “hydraulic head” and flow rate, and outputs water at a higher hydraulic head and lower flow rate. The device uses the water hammer effect to develop pressure that allows a portion of the input water that […]

Rocket stoves: One Hot Story

A rocket stove is an efficient and hot burning portable stove using small diameter wood fuel. Fuel is burned in a simple combustion chamber containing an insulated vertical chimney, which ensures almost complete combustion prior to the flames’ reaching the cooking surface. It uses the same principle as the Dakota fire pit. Rocket stove designs […]