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
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How To Make a Lego Technic high rpm 1 Cylinder Pneumatic Engine - Parts list now available - YouTube
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Lego Technic Lego pneumatics Radial engine LEGO Digital Designer, radial, transport, engine, lego Digital Designer png | PNGWing
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