OKMO Mini β-Type Vertical Stirling Engine Model Heat Powered External Combustion Demonstration Machine, Metal Mechanical Engine for Adults Science Physics Experiment STEM

Specifications: .Material: Brass + Stainless Steel + Aluminum Alloy .Brand: OKMO .Model: J07 .Form: Ready to Run (RTR) .Flywheel Diameter: 29mm (including pulley) .Starting Method: Manual .Fuel: 95% alcohol .Product Weight: 76g .Package Weight: 300g .Product Dimensions: 4.3 x 4.3 x 6.5cm .Package Dimensions: 15 x 10 x 10cm .Packing: Box .Ages: 16+

• ⚙️【Authentic Stirling Engine Demonstration】This mini Stirling engine model demonstrates the classic Stirling thermodynamic cycle through visible piston movement and flywheel rotation. The heat-powered mechanism clearly shows how thermal energy converts into mechanical motion, creating an engaging mechanical science experiment.
• 🔥【Heat Powered External Combustion System】Unlike electric models, this Stirling engine operates through external heat energy using an alcohol burner. As heat expands the internal air chamber, the piston moves and drives the flywheel continuously, presenting a fascinating real-world demonstration of thermodynamics.
• 🛠️【Precision CNC Metal Engineering】Constructed from aluminum alloy, brass and stainless steel with precision CNC machining and polished finishing, this Stirling engine model reveals the beauty of mechanical engineering while delivering smooth and stable operation.
• 🎓【Ideal STEM Education Demonstration】Perfect for physics classes, laboratory demonstrations and STEM learning, this Stirling engine model allows students (aged 14+) and hobbyists to visually understand heat energy conversion and mechanical motion principles.
• 🎁【Mechanical Collector Display Model】Compact, elegant and scientifically inspiring, this Stirling engine model makes an eye-catching desktop mechanical ornament for engineers, science enthusiasts and collectors.