Brass Mini V4 Steam Engine Model 4-Cylinder Marine Power Physics Toy
Hero Section: The Roar of a V4 in the Palm of Your Hand
Imagine the complexity of a V4 engine shrunk down to the size of a coffee mug. This Brass Mini Steam Engine is a marvel of miniaturization. Featuring four cylinders arranged in a compact V-configuration, it delivers smooth, continuous power that single-cylinder models simply cannot match. Crafted from gleaming brass and metal, it is designed to be the beating heart of your model ship or a stunning centerpiece for your steam collection. Connect it to a boiler, and watch as steam pressure transforms into a high-speed mechanical symphony.
Why Choose This V4 Steam Engine?
- Quad-Cylinder Power: With four cylinders working in harmony, this engine provides exceptional torque and a self-starting capability (unlike single-cylinder engines that can get stuck at dead center). The V4 layout ensures smoother operation and less vibration, perfect for powering model boats.
- Exquisite Brass Construction: There is no plastic here. Every component is machined from high-quality metal and brass. The surface is polished to a bright shine, giving it a premium, jewelry-like appearance that resists corrosion in humid steam environments.
- Compact Marine Design: Measuring just 9 x 9 x 4.5 cm, it packs immense power into a tiny footprint. It is the ideal powerplant for scale steam launches, tugboats, or even small steam cars where space is at a premium.
- Integrated Lubrication: The engine features a screw-cap type displacement lubricator. This essential component ensures that steam oil is continuously fed into the cylinders, protecting the precision parts from wear and ensuring a long service life.
Technical Highlights: Engineering Insight
- V-Type Configuration: The 90-degree V-shape isn't just for looks; it balances the reciprocating mass of the pistons, allowing for higher RPMs and smoother power delivery to the output shaft.
- High Pressure Capability: Designed to operate at a normal working pressure of 3 kg/cm² (approx. 42 PSI), this engine can handle the output of robust model boilers, translating high pressure into real mechanical work.
- Thermal Resilience: Built to withstand temperatures from 50°C to 150°C, the metal construction ensures the engine maintains its structural integrity and seal even under intense steam heat.
Specifications
- Type: V4 Cylinder Steam Engine
- Material: Brass + Metal Alloy
- Cylinders: 4 (Bore 8mm x Stroke 8mm)
- Working Pressure: 3 kg/cm²
- Lubricator: Screw-cap Displacement Type
- Dimensions: 9 x 9 x 4.5 cm
- Weight: 250g
- Boiler: Not Included (Requires external steam source)
- Packing: Protective Box
Usage Scenario: The Model Ship Launch
You are at the lake with your scratch-built steam launch. You fire up the boiler. As pressure builds to 3 bar, you open the steam valve. The V4 engine hisses to life, the four pistons pumping in a rapid blur. The propeller churns the water, and your boat accelerates smoothly away, leaving a trail of steam. It’s the ultimate reward for your craftsmanship—a vessel powered by a true multi-cylinder steam engine.
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 2-3 kg/cm² pressure to run this V4 effectively.
- Lubrication is Mandatory: Steam washes away oil. Before every run, fill the lubricator with high-viscosity steam oil. This is critical for the health of a multi-cylinder engine.
- Dead Center Note: While V4s are self-starting, if the crankshaft stops exactly at top or bottom dead center on all cylinders (rare but possible), a gentle nudge may be needed to get it going initially.
- Break-in: Run the engine gently with plenty of oil for the first few sessions to allow the piston rings and bearings to seat perfectly.
Customer Support
We are dedicated to your steam modeling success. If you need advice on boiler sizing, installation, or maintenance, please contact our expert support team at service@helloworld7.com
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