Delays with the 3D printing so an old footage of a most basic setup. In this case temperature showing about 1260° Celsius and nozzle is 2.1mm I.D. brass pipe. The yellow flame is the burning rubber isolation otherwise it is almost invisible flame.
When burned with oxygen burning H2 produces clean water and heat, thats it.
In layman's terms 11,2 liter hydrogen is 1 gram.
1 gram of H2 is 360 – 390 watts (142.5kj) of heating energy.
To produce 11,2 liter (1g) requires 9 gram of water, or 1g wa