Quantity   Component name
1 × 12v pump rated for continuous use
1 × 12v battery at least 7 amp hour.
1 × Solar panel 12v panel. At least 10 watt
1 × solar charge controller Powerful enough to handle your solar panel
1 × 26cc 4-stroke gasoline engine I got mine from a weed eater.
1 × basketball needle for the gas jet.
1 × 3/8in hose For plumbing the machine
1 × Tall plastic bottle For scrubber. thinnest plastic you can find. A fail safe in case of flashback.
1 × Stainless steel wire For use in the chamber to prevent rust and contamination
11 × Stainless steel plates. 3in x 6in x as thin as possible. Plates for the generator
2 × 2in plastic bolts and nuts To line up and hold the plates
20 × Rubber washers to use between plates for spacing
1 × 30amp 12v PWM Cheap one from amazon. under 20 bucks.