Check Out An Internal Combustion At Work In Slow Motion

This cool see-through engine lets you watch Internal Combustion. YouTube channel, Warped Perception, filmed in slow motion so you can clearly see all 4 steps. And this engine is actually fueled by Isopropyl alcohol, not gas!

Step 1: intake valve opening, lets air and fuel in while piston moves down
Step 2: piston moves up & compresses fuel
Step 3: fuel is ignited, and force pushes piston back down
Step 4: pistons move back up forcing exhaust out