LEGO MOC Vacuum Beam Engine by NonsenseWars

Single-cylinder vacuum engine as seen in this video. Uses a Watt's

LEGO MOC Lego Pneumatic Beam Engine No 2 by Hans56

LEGO MOC GBC Split-level Stepper by NonsenseWars

LEGO Technic Compact Air Compressor

GBC General Discussion - Page 39 - LEGO Technic, Mindstorms, Model

5x5 fest: Thomas Jenkins' MOCs New Elementary: LEGO® parts, sets

Chris's MOC Engine - The Sci-Fi Guys

BrickExperimentChannel Brick Experiment Channel

Chris's MOC Engine - The Sci-Fi Guys

GBC General Discussion - Page 39 - LEGO Technic, Mindstorms, Model

BrickExperimentChannel Brick Experiment Channel