So, to answer the question; A Touch Switch or do they really work? This HHO unit definitely works. I'm getting 10 more miles out of every gallon of over priced gas I purchase.Like I said, I chose an HHO design that was simple and quite inexpensive. It consists of two wide mouth mason jars with plastic lids, four pieces of Plexiglas about 2-1/8 inches X 5-3/4 inches X 3/16 inch thick with a slot half way up the middle of each piece lengthwise, so, two can be slipped together to form an X shape. The X shapes are glued together and then glued to the inside of the plastic lids.
Then two ¼ inch holes are drilled into the plastics lids for the electrical connection screws. You will need four pieces of 0.032 inch thick Stainless Steel Wire each about 52 inches long. Wrap a wire around the connection screws at the wire's mid-point and then twist it to make a single electrode. Once the wires are twisted, insert the screw with the twisted wire through the ¼ inch hole in the lid and wrap the wire around the Plexiglas X mandrel at a ¾ inch spiral pitch and tie it off at the bottom of the Plexiglas mandrel.
Then add the second screw and do the same with the second twisted wire, again tying it off at the bottom of the Plexiglas mandrel. The two wires should now be spaced at about 3/8 of an inch apart. Do the same for the second HHO cell. Now add two more holes in the plastic lids, one for the adjustable air vent and the other for a tube fitting to draw off the HHO gas. Glue the adjustable air vent and the tube fitting to the lid keeping things air tight.
Again, do the same to the second HHO Cell. That is just about all there is to making very simple HHO Cells. Now you can mount the HHO Cells in any available space in the engine compartment or as I mentioned before, I mounted them behind the front grille so I can look through the grille to keep an eye on the water levels. Then I connected all the hoses and fittings into the vehicle as I described earlier.
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