- bowling pin loading and spotting mechanisms (video)
- dual overhead camshaft engine
- Ducati motorcycle desmodromic (closed form) cams (animation)
- IC engine four-stroke cycle
- IC engine combustion cycle (animation)
- IC engine four-stroke cycle
- IC engine crankshaft, camshaft, pistons, and valves (animation)
- IC engine crankshaft, camshaft, piston, and valve layout
- V-8 engine block (photo)
- V-8 engine camshaft (photo)
- V-8 engine cylinders and pistons (photo)
- V-8 engine pushrods (photo)
- valve float and spring surge – 1000 rpm vs. 6000 rpm (high-speed video)
- various cam followers with a cam shaft (photo)