ENJOMOR M20-T Alpha-Type Dual Cylinder Walking Beam Stirling Engine Model Gift
Hero Section: The Dance of Fire and Ice
Imagine a machine that runs on silence and temperature. The ENJOMOR M20-T is not just a model; it is a masterpiece of thermodynamics. Utilizing the advanced Alpha-Type configuration, this engine creates motion through the extreme temperature difference between its dual cylinders. With one side scorching hot and the other remaining cool, it generates a temperature differential of over 500°C, driving the pistons in a mesmerizing, rhythmic dance. It is the perfect intersection of physics, precision engineering, and kinetic art.
Why Choose the ENJOMOR M20-T?
- Advanced Alpha Configuration: Unlike simpler Stirling engines, the Alpha design uses two separate cylinders (one hot, one cold) connected by a gas passage. This results in superior heat transfer efficiency and higher power output, making it a true performance model.
- Industrial-Grade Durability: We don't use cheap metals. The cylinder liners and piston sleeves are crafted from GCR15 bearing steel, hardened to 58-62HRC and precision-ground to ±0.005mm. This ensures the engine maintains perfect compression and lasts for years, not just hours.
- Whisper-Quiet Operation: Equipped with 30 precision bearings, this engine runs with incredible smoothness. The friction is so low and the balance so precise that the only sound you hear is the gentle rhythm of the mechanism, making it a perfect desk companion.
- Visual Mechanical Complexity: The connecting rods are linked via a sophisticated gear system with a 2:1 ratio. Watching the brass gears mesh and the large 78mm flywheel spin at 2000 RPM is a hypnotic experience that captivates engineers and novices alike.
Technical Highlights: Engineering Excellence
- Extreme Temperature Differential: The engine is designed to handle a heating side temperature of 600°C while keeping the cooling side around 50°C. This massive delta is the secret to its continuous, strong power output.
- Optimized Compression: The heating tube is specifically designed to be longer than the cooling side, optimizing the compression ratio for maximum efficiency during the expansion cycle.
- High-Inertia Flywheel: The heavy 155g flywheel acts as a mechanical battery, storing energy to smooth out the power pulses and keep the engine running at a steady, reliable speed.
- Premium Materials: From the bamboo base to the stainless steel heating tubes and aluminum alloy brackets, every material is chosen for its thermal properties and aesthetic appeal.
Specifications
- Brand: ENJOMOR
- Model: M20-T (Alpha-Type Walking Beam)
- Material: Stainless Steel / Brass / Aluminum Alloy / GCR15 Steel / Bamboo
- Cylinder Diameter: 20mm
- Stroke: 20mm
- Flywheel Diameter: 78mm
- Bearings: 30 Total
- Speed: Flywheel approx. 2000 RPM
- Dimensions: 190 x 138 x 200mm
- Weight: 2.2kg
- Fuel: 95% Alcohol (Not included)
Usage Scenario: The Physics Classroom (or Your Study)
You place the heavy, solid engine on your desk. You fill the alcohol lamp and light the wick. For a minute, nothing happens—the heat is building. Then, you give the large flywheel a gentle push. The engine catches. It accelerates, the gears whirring silently, the pistons pumping in perfect opposition. It’s a living demonstration of the Stirling cycle, sparking curiosity in children and admiration in adults.
Important Tips from the Workshop
- Fuel Requirement: Use 95% purity alcohol (industrial methylated spirits). Lower purity fuels contain too much water and will not generate enough heat to run the engine efficiently.
- Pre-Heating: Allow the flame to heat the cylinder for about 60 seconds before attempting to start. The air needs to expand significantly to overcome the initial friction.
- Do Not Lubricate: The pistons are precision-fit GCR15 steel. Do not add oil or grease to the pistons or cylinders. Oil will mix with dust and create a sticky paste that will seize the engine.
- Safety: The heating cylinder gets extremely hot (600°C). Do not touch it during operation or until it has fully cooled down.
Customer Support
We are dedicated to the art of the Stirling engine. If you have questions about operation, maintenance, or parts, please contact our expert team at service@helloworld7.com.
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