The free piston engine, a design with opposed pistons working against compressed air springs and combining both compression and firing strokes in a single axis, doesn’t turn anything in itself ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" ...

In the video after the break, [Brick Technology] uses LEGO to gain some practical insight into the world of piston engine design ... starts by getting the basics working with a single-cylinder ...

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 motion. One part can be the difference ...

YouTube channel Warped Perception added a glass head to a combustion engine and recorded it running ... which makes the combustion gases push the piston, to drive the crankshaft.

It utilizes a magnetic piston oscillating through copper coils to generate electricity. The FPLG removes many traditional and costly engine components, making it a direct competitor to hydrogen fuel ...