Ferrari has filed a patent for an engine with oval-shaped pistons. The design shortens powertrain length without losing ...

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 ...

Ferrari has filed a patent for an engine with pill-shaped pistons, a radical departure from traditional circular piston ...

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 ...