LEGO MOC Vacuum Beam Engine by NonsenseWars

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

BrickExperimentChannel Brick Experiment Channel

Chris's MOC Engine - The Sci-Fi Guys

MOC-60662 V8 Engine Dynamic Model

MOCs Designed by NonsenseWars Rebrickable - Build with LEGO

Chris's MOC Engine - The Sci-Fi Guys

LEGO MOC GBC Clockwork Shooter by NonsenseWars

5x5 fest: Kev Levell's MOCs New Elementary: LEGO® parts, sets

MOCs Designed by NonsenseWars Rebrickable - Build with LEGO

LEGO Technic Compact Air Compressor

LEGO MOC Lego Pneumatic Beam Engine No 2 by Hans56