The twin-piston engine

Inventors (Intermediate), mission I8 Motors & Circuits, lesson 4 of 6.

Hook

Car engines turn up-and-down into round-and-round. Here, a motor shows it in reverse!

Fair test

Count piston strokes per turn. Compare motor speed with and without the flywheel.

Bonus challenge

Make “engine noises” in time with the pistons.

The build

  • 🔥 Twin-Piston Engine: See inside a car engine: two pistons race up and down in turns! (level 3 of 5, about 40 minutes, 22 steps)

More lessons in this mission