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How to Turn Water into Fuel by Building This DIY Oxyhydrogen Generator

Aug 2, 2012 08:42 PM
Dec 17, 2012 05:03 PM
Person using a water pump outdoors.

Here's how to build a sexy looking water-fuel generator that will convert your tap water into an extremely powerful, clean burning gas!

An oxyhydrogen generator, like this one, uses electricity from your car battery to split water into hydrogen and oxygen gasses. Together, these make a fuel that is much more powerful than gasoline, and the only emission released is—water!

Water pump in operation with hoses connected, outdoors on a sunny day.

For this project, you're going to need some stainless steel and some ABS pipe fittings. I visited a local fabrication company, and not only did they have plenty of scrap metal to choose from, they were even willing to help me cut it to custom sizes. A job that would have taken me hours with a pair of tin snips and a hacksaw took only a matter of minutes with their equipment.

I used 20 gauge stainless steel, and with the help of their hydraulic punch, cut precise holes in the tops and bottoms of the plates. When finished, I had 12 plates measuring 3" x 6", 4 plates at 1-1/2" x 6", and three 1" connector bands that were 6", 4-1/2", and 3 1/4". A belt sander was used for smoothing down the jagged edges around the hole.

Metal strips with measurements displayed in inches.
Hands operating a metal sheet cutting machine.
Metal fabrication process with a worker operating a grinding machine.
Metal strips with measurements displayed in inches.
Hands operating a metal sheet cutting machine.
Metal fabrication process with a worker operating a grinding machine.

Next I used 100 grit sandpaper to sand each of the plates diagonally. You can see the "X" pattern I sanded into both sides of the plates. This increases the surface area of the plate, and will assist in producing more gas.

Metallic plate being held above a textured surface.

The plates are joined in this configuration, using plastic rods, plastic washers, and stainless steel nuts to make the proper electrical connections. Then a 4" ABS clean out plug was attached at the top with some stainless steel bolts.

Hand holding a metal heat sink with fins on a white towel.
Automotive engine component being held by a hand.
Hand holding a metal heat sink with fins on a white towel.
Automotive engine component being held by a hand.

I attached a swivel elbow to the top of the cap, and the main generator is finished. Now to make the body.

Pump assembly with connectors and a valve.

The body is made from two 4" ABS clean out adapters, with a 4" plug inverted and cemented into the bottom. A 4" tube of acrylic or ABS makes the body, and the generator plates and cap screw down into the top. A water bubbler is made in a similar fashion, but needs to clip onto the side.

Hand holding a small filter with a larger filter unit on a table.
Glass container being filled or prepared for use on a work surface.
Container with a transparent chamber and a black lid being held by a hand.
Close-up of a person inserting fingers into a camera lens adapter.
Professional glass separator in a laboratory setting.
Hand holding a small filter with a larger filter unit on a table.
Glass container being filled or prepared for use on a work surface.
Container with a transparent chamber and a black lid being held by a hand.
Close-up of a person inserting fingers into a camera lens adapter.
Professional glass separator in a laboratory setting.

Clips are made from scrap acrylic or ABS tubing, and glued to the side of the body.

A hand holding a white plastic clip beside a can of adhesive and a black appliance part on a work surface.
A person assembling a kitchen appliance.
A hand holding a white plastic clip beside a can of adhesive and a black appliance part on a work surface.
A person assembling a kitchen appliance.

Some poly tube, and a one-way check valve is added to the top elbow, making sure the valve will let gas out, but nothing back in.

Fuel pressure regulator with hose and mounting components.

The electrolyte is distilled water and about 2-4 teaspoons of KOH (potassium hydroxide). Salt or baking soda could also be used, but may dirty the plates over time.

Water stirring in a clear container with bubbles.
Bowl of water next to an empty mixing container on a white surface.
Mixing a clear liquid with powder in a glass mixing bowl.
A filter set up over a container for processing liquids.
Water stirring in a clear container with bubbles.
Bowl of water next to an empty mixing container on a white surface.
Mixing a clear liquid with powder in a glass mixing bowl.
A filter set up over a container for processing liquids.

Water is added to the bubbler, then the cap is put back on, and the poly tubes are hooked up. Time to test it out with a 12 volt car battery and some jumper cables. The gas is forming and I've collected it in a small water bottle for testing.

Water pump setup with hoses outdoors.
Water being poured into a blender container.
Water pump beside a pond with rocks and aquatic plants.
Flame weeder tool in use on a gravel surface.
Water pump setup with hoses outdoors.
Water being poured into a blender container.
Water pump beside a pond with rocks and aquatic plants.
Flame weeder tool in use on a gravel surface.

The gas burns so fast it's almost explosive, and the bottle shoots down the street. The fuel turns back into water, and that's good for the environment.

The water already in this system should be able to produce multiple thousands of liters of fuel. To refill it, just add more water!

Haven't see the video yet? You can still see it here!

If you like this project perhaps you'll like some of my others. Check them out at www.thekingofrandom.com

The next big software update for iPhone is coming sometime in April and will include a Food section in Apple News+, an easy-to-miss new Ambient Music app, Priority Notifications thanks to Apple Intelligence, and updates to apps like Mail, Photos, Podcasts, and Safari. See what else is coming to your iPhone with the iOS 18.4 update.

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