M12 2.6cc Mini Water-Cooled 4-Stroke Gasoline Engine Model Brass Internal Combustion Motor Kit
Hero Section: A Mechanical Jewel of Brass & Steel
The M12 isn't just a machine; it's a testament to the beauty of mechanical miniaturization. Crafted from a stunning combination of yellow brass and stainless steel, this 2.6cc engine brings the complex physics of a water-cooled, 4-stroke powerplant onto your desktop. Unlike enclosed engines, the M12 bares its soul—every flywheel rotation, every valve lift, and every combustion cycle is yours to witness. Whether you are a veteran machinist or a curious collector, the rhythmic "chug" of this heavy-metal beast provides a satisfaction that digital gadgets simply cannot match.
Why Choose the M12 Engine Model?
- Premium Brass Construction: Weighing in at 1.4kg, this engine feels substantial. The main body is machined from brass, offering a vintage, industrial golden hue that contrasts beautifully with the stainless steel components. It’s built to last and designed to be displayed.
- Authentic Water-Cooled Design: This model features a functional water-cooling structure (evaporative cooling tank), mimicking the stationary engines of the early 20th century. It allows the engine to maintain stable temperatures during operation, adding to the realism.
- True 4-Stroke Performance: Experience the distinct sound and torque of a 4-stroke cycle (Intake, Compression, Combustion, Exhaust). It offers a deeper, more rhythmic sound compared to high-pitched 2-stroke models.
- Tunable Mechanics: Equipped with an adjustable carburetor, you can fine-tune the engine speed. Master the art of the "idle" by adjusting the needle valve and listening to the engine's response.
Technical Highlights: Engineering Insight
- Hybrid Lubrication System: To ensure longevity, this engine uses a splash lubrication system (oil in the crankcase) combined with a fuel-oil mix. This ensures both the crankshaft and the upper cylinder/valves remain protected.
- Adjustable Speed: The carburetor allows for throttle control, letting you run the engine at various RPMs.
- Compact Power: Despite its small footprint (10cm length), the 2.6cc displacement delivers surprising compression and power.
Specifications
- Model: M12 Mini Engine
- Type: Single-Cylinder, 4-Stroke, Water-Cooled
- Material: Brass & Stainless Steel
- Displacement: 2.6cc
- Bore: 13mm
- Stroke: 12mm
- Flywheel Diameter: 56mm
- Dimensions: 104mm x 94mm x 78mm
- Weight: 1400g
- Ignition Voltage: 1.5V (1x AA Battery, not included)
- Spark Plug: 1/4-32 Thread
- Fuel: Gasoline (95#) or Aviation Kerosene
Usage Scenario: The Weekend Engineer
It’s Saturday. You place the M12 on your workbench. You add 4ml of oil to the crankcase and fill the tank with your fuel mix. You verify the water level in the cooling jacket. You flip the switch and give the heavy brass flywheel a sharp clockwise spin. The engine creates compression, sparks, and roars to life. You spend the next hour simply watching the mechanics work, adjusting the carburetor to find that perfect, slow, rhythmic idle.
Important Tips from the Expert
- Lubrication is Critical:
- Crankcase: Add approx. 4ml of oil to the crankcase for splash lubrication.
- Fuel Mix: Add 4% lubricating oil to your gasoline/kerosene. This ensures the valves and upper cylinder are lubricated during combustion.
- Carburetor Tuning: If the engine won't start, the mixture is likely off. Tighten the main oil needle fully (gently!), then loosen it 1/4 of a turn. This is the standard starting position.
- Troubleshooting Compression: If the engine loses compression, foreign matter may be stuck in the valves.
- Quick Fix: Put a few drops of oil into the carburetor and rotate the engine; the oil often flushes the debris out.
- Deep Clean: Remove the cylinder head to clean the valve seating surface.
Customer Support
We are passionate about model engines. If you need help with tuning, valve cleaning, or maintenance, our team is ready to assist: service@helloworld7.com
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