How to Make a Small High RPM 1 Cylinder Lego Pneumatic Engine - 3000 RPM! - Smallest in the World!? - YouTube
Nico71 - Lego Switchless Pneumatic engine mk2. With stacked 4 valves instead of side by side, one cylinder and two speeds gearbox. Expected to me mounted soon in a two wheels creation
LEGO Steam Engine, Pneumatic motor
Exploring Piston Engine Design With LEGO | Hackaday
LEGO MOC Lego Pneumatic Engine 3 In-line by Nico71 | Rebrickable - Build with LEGO
6 Cylinder Lego Pneumatic Engine (LPE) - Green Gecko by Green Gecko https://rebrickable.com/mocs/MOC-15816/Green%20Gecko/6-cylinder-lego- pneumatic-engine-lpe-gr…