Quote:
Originally Posted by JohnNeiferd
I haven't been able to construct a HHO generator that puts out resonable amounts of HHO within taking in too many amps. I made one large one that takes around 30 amps, might work good vehilces with large alternators, but not small cars. I've just been using the classic steel plates, baking soda, and water. No measurements or anything, I just mix some baking soda, water, and run some electricity through it.
nowhhs, as for the calculations, I'll give them another try by converting it to weight. Not quite sure how to do that for sure, especially in dealing with HHO in its gaseous state. ill see what i can do though

My work with HHO generators shows me that lower voltages per cell produce HHO more efficiently. Efficiency is most often measured in MMW milliliters per minute per watt. Basically how much energy was consumed to produce an amount of HHO in a period of time.
The equation is MMW=60,000/(watts*seconds per Liter) or
(60 seconds per minute * 1000 milliliters in a liter )/(Volts*Amps*Seconds per Liter)
Your production rate in seconds per Liter is 60,000/(Watts * MMW)
Actual value may vary some for your design and electrolyte, but my experience shows me:
1 if i drop 13.8 volts across 1 cell (2 plates) i produce about 0.97 milliliters per minute per watt.
2. if a have 2 cells and drop 13.8 volts across the whole thing, diving the voltage in 1/2 for each cell by electrically connecting them in series with each other, i get a MMW around 1.8 milliliters per minute per watt
3. if a have 4 cells and drop 13.8 volts across the whole thing, diving the voltage in 1/4 for each cell by electrically connecting them in series with each other, i get a MMW around 3.4 milliliters per minute per watt.
Hooking up cells in series increases the total resistance, lowers the watts consumed, and lowers overall production. There are 3 ways to compensate.
1 increase surface area of your plates in each cell to lower resistance.
2 increase the concentration of your electrolyte to lower resistance.
3 decrease plate spacing to lower resistance.
Lowering resistance draws more amps, increasing watts consumed, while producing more hydrogen with your new designs that have higher MMW
While each solution has certain practical cost and physical limitations, it is best to combine all 3 solutions.
In the end having a higher efficiency means less heat production, while using more of the energy provided for HHO production.