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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Everything You Want To Know About LEGO Pneumatics - BrickNerd - All things LEGO and the LEGO fan community
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Nico71's Lego Single-Cylinder Pneumatic Engine (LPE-1) - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
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