No offence taken, it is healthy we have different opinions and backgrounds. I know what you mean about not caring what others are doing, and for me this is true in part. What others are doing can save me a lot of time in R&D, especially in fields I am less familiar with. As you don't care what I am doing I will tell you... A simple HHO BSP wet cell of my own design is powered by a 12V DC power source. I currently use a 12V 6A battery charger and a 12V car battery, either one works just fine. The cell is mounted in a BSP structure of N type design around 3/4” and 1/4” fittings to facilitate hydraulic mechanical advantage. Now all I have to do is turn the cell on and I pump water and store that potential in the gravitational field. The water is now in the upper reservoir and can be released by a simple cork float switch to drip through Lord Kelvins Thunderstorm creating a spark. The HHO meanwhile has finished charging the upper reservoir and can freely pass the water in the bottom of the U bend and carries on up past the upper reservoir to a higher potential in the gravitational field. You now have a choice, you can use the solar pump in Pulsometer mode and trigger the HHO in the chamber releasing it's heat potential and phase changing it to liquid water. This closes the NRV at the upper spark reservoir due to the relative vacuum created and opens the NRV water inlet valves in parallel to achieve faster flow and refill time. Your main water reservoir level is just above the top of the HHO cell but below the upper spark reservoir. The cycle now repeats... The second option is to run the solar pump in hydrogen torch mode which only needs a flashback arrestor that breaks in both directions. The HHO is burned at a constant rate charging a reservoir higher up and storing the waters potential energy in the gravitational field. The heat has also been released at this stage and thermoelectric generators (TEG's) like PaulR mentioned are turning that heat potential into DC which can be added to the HHO cell production, increasing work done by recovering waste process heat. The 12V has been set deliberately high for electrolysis to produce water vapour and steam which dilutes the HHO out of detonation flammability limits and runs lean. Combined with the single location weak spark from the water dropper ignition system (approx 25 kV estimated but very little amperage). The two systems have different requirements though so you gotta know which variables to tweak and what the design differences are. Either one will pump water uphill using sunlight as the prime mover if you swap the battery input for a solar panel, say 100W should be more than enough. Pump water all day and produce power all night is the idea. Being modular and fully scaleable, and with photovoltaic panels and TEG's dropping in price and increasing in efficiency the solar gravity pump might have a bright future.
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Everyman Standing Order 01: In the Face of Tyranny; Everybody Stands, Nobody Runs. Everyman Standing Order 02: Everyman is Responsible for Energy and Security. Everyman Standing Order 03: Everyman knows Timing is Critical in any Movement.
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