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I bought 5 dry cells on eBay, planning to build a huge torch system. But now I'm only using one cell, the others are completely unused, all tested good by the seller. So I've got 4 for sale here,...

The theoretical highest efficiency is supposed to be around 7 mL/min/watt (MMW)
30A x 13.8V is 414W. So at that consumption the the very best you can do is about 2.9 L/min, but expect only about 4-5...

...and that's pretty much what this whole forum is about. ;)

There MIGHT be a problem, can you post a pic or drawing?
Usually the water input is near the bottom and the HHO output is near the top. But if the input and output were on different sides of the...

Can you show a pic/video? Or info on plate spacing, configuration? Maybe you have a bad electrical connection to the cell...

magnets would quickly corrode in the HHO, only stainless steel can be in the cell. However, magnetism could affect the production somehow so maybe you could think up something...?

Well you can add as much accelerant (electrolyte) as you want but the cell will just draw more current and heat up faster. The "warm up" time really depends on amount of electrolyte, type of cell,...

You don't have to put the cell in a car, just connect it to a car battery or other 12V source that can deliver plenty of amps.

For the plate config, try +nnn--nnn+ or just +nn--nn+ and see what...

Your cell is only producing on one side because the current is taking the path of least resistance...from the positive lead on the right to the negative in the center (in your diagram.) You can fix...

NaOH and KOH...
I hear that these two are the best elecrolytes because they're more potent and don't produce harmful gases in a cell. But which one of these is the better electrolyte and why?

1. You don't have to change the speed, you have to change the timing. HHO burns about 3 times faster than gasoline.
2. The hydrogen and oxygen won't recombine into H20 until you combust them.
3....