3.7cc Twin Cylinder Double Acting Steam Engine Model Brass Marine Power Physics Toy
Hero Section: The Heart of a Miniature Titan
For the model engineer, there is no sound sweeter than the rhythmic chug-chug of a twin-cylinder steam engine. This 3.7cc Double Acting Steam Engine is a masterpiece of CNC machining, designed to be the powerful heart of your model boat or the crown jewel of your static collection. Crafted from solid brass and beryllium copper, it combines the rugged durability of industrial machinery with the refined aesthetics of a Swiss watch. It isn't just a model; it's a heavy-duty powerplant ready to bring your creations to life.
Why Choose This Twin Cylinder Engine?
- Double-Acting Power: Unlike single-action engines, this beast powers the piston on both the up and down strokes. This results in smoother operation, higher torque, and self-starting capability—crucial for maneuvering model boats on the water.
- Precision CNC Craftsmanship: Every component is machined to tight tolerances. The main shaft sleeve uses abrasion-resistant Beryllium Copper, ensuring high hardness and long-term running without wear. The surface is rich in luster, delicate, and aesthetically pleasing.
- Compact Marine Design: With a vertical twin-cylinder layout, it saves horizontal space in a boat hull while providing the classic look of a marine steam engine. It’s perfectly sized for 1.0-1.5 meter scale models.
- Standardized Compatibility: The air inlet features a standard 1/4-40TPI thread, making it compatible with a wide range of model boilers and piping systems available on the market.
Technical Highlights: Engineering Insight
- High Displacement: With a total displacement of 3.7cc, this engine moves a significant volume of steam, translating to high torque at the propeller shaft.
- Optimized Pressure Range: Designed to operate best between 0.4MPa and 0.6MPa, it pairs perfectly with high-performance model boilers to deliver robust, consistent power.
- Vertical Architecture: The vertical design not only looks authentic but also allows for efficient condensate drainage and easier integration into deep-hull vessels.
Specifications
- Type: Vertical Twin-Cylinder Double-Acting Steam Engine
- Displacement: 3.7cc
- Bore: 14mm | Stroke: 12mm
- Recommended Pressure: 0.4MPa - 0.6MPa
- Inlet Thread: 1/4-40TPI
- Material: Brass + Beryllium Copper
- Product Weight: 1200g (Heavy Duty)
- Dimensions: 11 x 9 x 10 cm
- Boiler: Not Included (Sold Separately)
- Packing: Protective Carton Box
Usage Scenario: The Shipbuilder's Pride
You’ve spent months building the hull of your steam launch. Now, it’s time for the engine. You mount this heavy brass unit onto the engine bearers. You connect the steam line. As the boiler pressure hits 4 bar, you crack the throttle. The engine hisses, then thumps into a steady rhythm. The twin cylinders pump in perfect harmony. It’s the moment your static model becomes a living vessel, ready to conquer the pond.
Important Tips from the Expert
- Boiler Required: This listing is for the Engine Only. You will need a separate steam boiler capable of generating at least 0.4MPa pressure to run this engine effectively.
- Lubrication is Mandatory: Steam washes away oil. Before every run, apply high-viscosity steam oil to all friction points and the displacement lubricator (if equipped). This is critical for preventing wear.
- Troubleshooting: If the engine sticks, check: 1. Is steam pressure sufficient? 2. Is lubrication adequate? 3. Is the mechanical linkage moving freely without binding?
Customer Support
We are dedicated to your steam modeling success. If you need advice on selecting a matching boiler, installation, or maintenance, please contact our expert support team at service@helloworld7.com
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