For nitro engine enthusiasts and RC racing fanatics, the TOYAN FS-B400 Horizontal Opposed 4-Cylinder Engine redefines scale performance. Combining the iconic flat-four design with 4-stroke nitro power, this CNC-machined marvel delivers automotive-grade engineering in a compact, buildable format. Dive into its specs, strengths, and why it’s a must-have for serious hobbyists.
Key Features
- Authentic Flat-Four Design: Horizontally opposed 4-cylinder layout replicates Porsche/Subaru-style engines, optimized for balance and power.
- High-Fidelity Mechanics: Precision camshaft, 180° crankshaft, and pump-style carburetor ensure realistic operation and throttle response.
- Robust Cooling System: High-speed fan with ducted airflow prevents overheating during sustained high-RPM runs.
- Thunderous Sound Effects: Realistic exhaust pipe amplifies engine notes for immersive racing simulations.
- Durable Build: CNC-machined metal components and reinforced timing belts resist wear under extreme conditions.
- Dual Versions Available: Choose between pre-assembled convenience or the DIY Kit for hands-on assembly.
Technical Specifications
| Category | Details |
|---|---|
| Brand/Model | TOYAN FS-B400 |
| Engine Type | 4-Stroke Horizontally Opposed 4-Cylinder Nitro |
| Displacement | 14cc (4 x 3.5cc) |
| Bore x Stroke | 16.68mm x 15.40mm (0.66" x 0.61") |
| Cooling Method | Air-Cooled (Ducted Fan) |
| Lubrication | Mixed Oil Splash Lubrication |
| Ignition System | Ignition Module + F-Type Glow Plug (sold separately) |
| Fuel Requirement | 20–25% Nitro Fuel |
| Starting Method | Electric Start (battery not included) |
| Product Dimensions | 18.4 x 15.2 x 14.1cm (7.2" x 6.0" x 5.6") |
| Product Weight | 1850g (4.08 lbs) |
| Package Size/Weight | 20 x 20 x 20cm / 2000g (7.9" x 7.9" x 7.9"; 4.4 lbs) |
| Age Recommendation | 14+ years |
Why Choose the TOYAN FS-B400?
- Racing Performance: Generate exhilarating torque and horsepower for RC cars, boats, or experimental builds.
- Engineering Transparency: Study camshaft timing, intake/exhaust cycles, and flat-four balance firsthand.
- Low Maintenance: Durable metal construction and accessible lubrication points minimize downtime.
- Showcase Appeal: Polished finishes and intricate details make it a stunning desk or workshop display.
Critical Notes
- Required Accessories: Glow plugs, ignition modules, fuel tanks, and mounts must be purchased separately.
- Break-In Protocol: Follow TOYAN’s guidelines for nitro fuel mixing and initial engine conditioning.
Ideal For:
- RC racers seeking nitro-powered dominance in competitions.
- Automotive engineers/students analyzing flat-four mechanics.
- Model collectors craving functional mechanical art.
- Hobbyists tackling advanced DIY engine builds.
From dominating RC tracks to dissecting the symphony of opposed cylinders, the TOYAN FS-B400 fuels both adrenaline and curiosity. Tag @diyengmod with #TOYANFlatFour to showcase your builds and join the nitro revolution!
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