Walschaerts valve gear demonstrated with LEGO

Using LEGO, I demonstrate the principles and workings of Walschaerts valve gear. I am not an expert on this so if you see any glaring errors, please tell me in the comment section.

• #science_technology
• #walschaerts_valve_gear
• #lego_technic
• #lego
• #steam_engines
• #trains
• #engines