PVC air cannons are great, and everyone should build one of these at some point in their life, but what really makes this build exceptional is the valve. [Ben] created a piston valve for this ...

The footage captured shows the valves injecting fuel and air. A spark plug ignites the fuel which makes the combustion gases push the piston, to drive the crankshaft. Watch the video to see it in ...

The positive crankcase ventilation valve releases exhaust gas and unburned ... unburned fuel and oil to “blow by” the pistons and collect in the crankcase where it produces sludge if not ...

There could also be advantages for valve sizes (or the number of valves) fitted above each piston. Although Ferrari’s patent only specifies the engine would have at least two cylinders ...

Following is a transcript of the video. Narrator: Engines are made up of over 300 bolts and dozens of moving parts, like pistons and valve springs, that all work together to turn combustion into ...