Joytopiaminds Stirling Engine Model Kit, Mini Hog Balance Beam Hot Air Stirling External Combustion Engine for Physical Science Experiment Display

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️ True Free-Piston Mechanism: Features authentic Ringbom design where the displacer operates without mechanical linkage - powered solely by pressure fluctuations. Experience unique thumping operation with only 4 moving parts for consistent RPM ... More

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【Premium Durable Build】Features a brushed aluminum alloy base, stainless steel connecting rods, and thickened reinforced glass heating cylinder for safe, long-lasting operation. Withstands extended heat without pressure issues 【Hands-On STEM... More

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Unique Semi-Exposed Design: Features partial cutaway construction revealing internal free-piston mechanism. Demonstrates Stirling cycle principles through visible heat-driven motion (16x9.5x7.5cm) Authentic External Combustion: Powered solely by... More

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Gamma-Configuration Design - Features a distinctive gamma-style mechanism for smooth operation. Starts easily by rotating the flywheel and heating with the included alcohol lamp, creating captivating kinetic motion on your desk Dual Lighting... More

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Gold-Plated Precision Craftsmanship - CNC-machined copper body with imitation gold electroplating. Bamboo base provides natural vibration damping for smooth 1500RPM operation Real-Time Energy Classroom - Observe piston motion through unbreakable... More

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Horizontal Flywheel Design: Features distinctive CNC-machined aluminum flywheel achieving high-speed rotation when heated. Showcases mesmerizing kinetic energy conversion (16×8×6.5cm / 470g) External Combustion Operation: Powered solely by... More

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Dynamic Energy Visualization: Features real-time voltage display and LED illumination - watch heat conversion to electricity as the engine runs. Quartz glass heating tube provides clear visibility of internal workings during operation Premium... More

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1-Minute Kinetic Wonder - Watch the flywheel spin rapidly after just 60 seconds of alcohol lamp heating! Powers the multicolor LED bulb through clean energy conversion - no batteries or external power needed Hypnotic Light & Premium Build -... More

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Hands-On Thermodynamics: Demonstrates real energy conversion principles through external combustion. Features opposed twin-cylinder design and flywheel operation for an immersive science experience Premium All-Metal Construction: Built with... More

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【Functional Butane-Powered Engine】 This 1/12 scale hot air pumping engine operates as a real external combustion Stirling engine, fueled by butane gas. Watch the piston, flywheel, and water-cooling system work together in a mesmerizing display of... More

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【Functional Butane-Powered Engine】 This 1/12 scale hot air pumping engine operates as a real external combustion Stirling engine, fueled by butane gas (not included). Watch the piston, flywheel, and water-cooling system work together in a... More