The sound of my radial engine is very satisfying, it still is version 1, as I'd like to see if I can improve the internal workings of it. First however I...
Lego Technic plane with radial engine (updated) - video Dailymotion
These Air-Powered Lego Piston Engines Are Hypnotizing To Watch
BUILDING ENGINES WITH LEGO | Building Engines with LEGO Each engine is built from scratch and then rotated at 3000 rpm for visualization and to demonstrate balance. Created by Brick... | By
LEGO IDEAS - Functional Model of 28 Cylinder Radial Engine