This Heat Echo–Type Stirling Engine Model is an external combustion engine designed to clearly demonstrate the fundamental working principles of a Stirling engine through hands-on observation. It is suitable for educational use, mechanical demonstrations, and collection.

A Stirling engine operates by heating and cooling a fixed volume of gas. When heated, the gas expands and drives the piston; when cooled, it contracts and returns to the cooling chamber. This continuous expansion and contraction cycle produces smooth mechanical motion, making the Stirling engine an effective tool for illustrating thermodynamic principles. As an external combustion engine, the fuel burns outside the engine, allowing the operating process to be observed safely and intuitively.

This model features a heat echo–type structure and is manufactured from aluminum alloy for durability and stable operation. It is delivered as a fully assembled finished product and is ready to operate. Simply use the included alcohol lamp to begin demonstration.

🔧 Specifications:

• Engine Type: Stirling Engine (Heat Echo Type)

• Operation: External combustion

• Material: Aluminum Alloy

• Recommended Age: 14 years and above

• Product Dimensions: 195 × 90 × 80 mm

• Net Weight: Approx. 267 g

📦 Packaging Information:

• Package Dimensions: 200 × 110 × 115 mm

• Gross Weight (with packaging): Approx. 0.4 kg

📦 Package Includes:

• 1 × Stirling Engine Model (Fully Assembled)

• 1 × Mini Alcohol Lamp

• 1 × Lamp Wick

Product Condition:

• Finished product, no assembly required

This Stirling engine model is ideal for physics education, classroom demonstrations, mechanical displays, and as a collectible model showcasing classic heat engine principles.