HOWIN L4-172 17.2cc SOHC Inline 4 Cylinder 4 Stroke Nitro RC Engine Model
Hero Section: The Final Roar of a Legend
There is no sound in the world quite like a 4-cylinder engine screaming at 15,000 RPM. The HOWIN L4-172 isn't just a model; it is a mechanical symphony. Representing the pinnacle of miniature engineering, this 17.2cc beast bridges the gap between retro automotive history and modern RC performance. Whether you are building a 1/8 scale RC supercar, a high-speed marine vessel, or simply want the ultimate kinetic sculpture for your collection, the L4-172 delivers raw power and spine-tingling realism. Secure your piece of history before it’s gone forever.
Why Choose the HOWIN L4-172?
- Realism Redefined (SOHC): Featuring a genuine Single Overhead Camshaft (SOHC) design, alloy rocker arms, and independent intake/exhaust systems, this engine breathes just like a full-sized racing motor. The integrated stainless steel exhaust produces a deep, powerful note that single-cylinder engines simply cannot match.
- Tuning Made Simple: Unlike complex multi-carburetor setups that are a nightmare to synchronize, the L4-172 uses a single, high-precision carburetor. This ensures easy tuning, sensitive throttle response, and a smooth idle without the headache.
- Built for Abuse: The crankshaft is the backbone of any engine. HOWIN utilizes a reinforced, 5-point support integrated crankshaft. This design eliminates deformation under high-speed operation (up to 15,000 RPM), ensuring durability and longevity.
Technical Highlights: Engineering Mastery
- 17.2cc of Raw Power: With four 4.3cc cylinders working in harmony, this engine delivers 2.4ps of power. It’s a "little violent beast" capable of propelling heavy RC models with authority.
- Advanced Water Cooling: To handle the heat of high performance, the engine employs an external centrifugal water pump and wet cylinder liners. Coolant directly contacts the liner wall, providing superior heat dissipation compared to air-cooled units.
- Premium Materials: Every component is CNC machined from aluminum alloy, sandblasted, and anodized for a stunning silver and black finish. The piston rings are made from nodular cast iron, ensuring a perfect seal and high compression over time.
- Electric Start Convenience: Forget pull cords. The integrated 480 brushed motor allows for instant, reliable electric starting with a 12V or 3S LiPo battery.
Specifications
- Brand: HOWIN ENGINE
- Model: L4-172
- Type: Inline 4-Cylinder 4-Stroke Nitro Engine
- Displacement: 17.2cc (4 x 4.3cc)
- Valve Mechanism: SOHC (Single Overhead Camshaft)
- RPM Range: 3000 - 15000rpm
- Power Output: 2.4ps @ 13000rpm
- Bore: 18.00mm
- Stroke: 17.00mm
- Cooling: Water-Cooled (Wet Liner)
- Fuel: 20-25% Nitro Fuel (Gasoline conversion kit available separately)
- Starting: Electric (480 Motor included)
- Dimensions: 15.2 x 10.1 x 10.6cm
- Weight: 1200g
Usage Scenario: The Track Day Hero
Imagine the scene: You are at the local RC meet. While others are running electric motors or whining 2-strokes, you hit the starter on your L4-172. The engine catches, settling into a smooth, rhythmic idle. You blip the throttle, and the inline-4 exhaust note turns every head in the vicinity. It’s not just about speed; it’s about the presence, the sound, and the mechanical soul of the machine.
Important Tips from the Workshop
- Lubrication is Critical: While the fuel provides internal lubrication, the overhead cam and rocker arms require manual greasing. Apply high-quality grease to the cam regularly to prevent wear.
- Cooling Setup: This engine requires a complete water-cooling loop (radiator, tank, and tubing) which must be purchased separately. Never run the engine without coolant circulating.
- Fuel Recommendation: For optimal performance out of the box, use 20-25% Nitro fuel. For advanced users, a gasoline modification kit is available for purchase to convert the engine to run on gas.
- Break-in: Run the engine rich for the first few tanks to allow the cast iron rings to seat properly against the cylinder walls.
Customer Support
This is a high-end precision machine, and we are here to support your journey. For tuning advice, warranty claims, or accessory questions, please contact our expert team at service@helloworld7.com.
Delivery
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