The Pinnacle of Precision: Unveiling the China Moneypro MOPGF38-GE 4-Stroke RC Engine
For discerning RC model enthusiasts, the pursuit of power, reliability, and refinement is never-ending. China Moneypro has long been synonymous with high-quality gasoline engines, cementing its reputation as the first factory in China to independently develop and produce 4-stroke RC gasoline engines. The MOPGF38-GE represents the culmination of this engineering expertise—a professional-grade, 4-stroke gasoline engine designed to meet the exacting demands of serious hobbyists. This powerhouse delivers exceptional performance, low fuel consumption, immense torque, and remarkably quiet operation, all within a compact, aesthetically pleasing structure.
The MOPGF38-GE is engineered for those who refuse to compromise. Its installation dimensions match those of a 160-240 glow-size 4-stroke engine, yet it delivers power output that rivals or surpasses its glow-fuel counterparts. This makes it the ideal power configuration for RC aircraft with takeoff weights between 8-12 kg (17.6-26.4 lbs). Whether you’re piloting a scale warbird, a giant-scale aerobat, or a custom project, the MOPGF38-GE provides the consistent, robust thrust needed for confident flight, while the focus remains on delivering superior performance in the 160-240 level RC aircraft category.
Technical Specifications of the MOPGF38-GE
The following table details the precise technical parameters of the MOPGF38-GE, underscoring its position as a leader in its class. These specifications are critical for ensuring proper integration and optimal performance in your RC aircraft.
| Parameter | Value |
|---|---|
| Displacement | 37.97 cc |
| Bore | 39 mm |
| Stroke | 31.8 mm |
| Practical Speed Range | 1800 – 8000 rpm |
| Output Power | 3.58 HP @ 8300 rpm |
| Static Thrust | 7.2 kg |
| Fuel Type | 92# Unleaded Gasoline + Fully Synthetic 2T Lubricant |
| Lubrication Ratio | 35:1 |
| Compression Ratio | 9:1 |
| Engine Weight | 1310 g |
| Exhaust Weight | 19 g |
| Ignition Weight | 105 g |
| Ignition Power | DC 4.8V – 8.4V, 1000 mAh |
| Spark Plug Type | CM-6 |
| Recommended Propellers | 18×8-10, 19×8-10, 20×8 |
| Engine Power (Max) | 4.22 HP / 3.58 HP (Continuous) |
Integrated Start-Up and Generation System
| Feature | Detail |
|---|---|
| Control Method | Sensorless (No Hall effect) |
| Starting Voltage | Not less than 12V |
| Starting Current | < 30A |
| Generator Output | DC 12V, 150W @ 6000 rpm |
| Electric Motor Weight | > 250 g |
| Control & Voltage Stabilizer Weight | > 150 g |
Advanced Engineering for Unmatched Reliability
The MOPGF38-GE is not merely powerful; it is a masterpiece of mechanical engineering. Every component has been meticulously designed and manufactured to ensure longevity, smooth operation, and ease of use. The engine features a rear-mounted carburetor, which simplifies adjustment and tuning. Inside, the connecting rod incorporates needle roller bearings for superior lubrication of the pin shaft, reducing friction and wear.
A unique dual-piston ring configuration, consisting of one lubricating oil ring and one sealing ring, ensures exceptional sealing and lubrication. The cylinder liner is constructed from wear-resistant ductile iron, with a roundness tolerance of the inner hole maintained within an astonishing 0.01 mm—far exceeding the 0.03 mm tolerance typical of aluminum alloy chrome-plated cylinder liners. This precision engineering translates directly to higher compression, greater efficiency, and a longer engine life.
Key Features at a Glance
The MOPGF38-GE is packed with features that set it apart from the competition. The following table summarizes the standout design elements that contribute to its superior performance.
| Feature | Description |
|---|---|
| Exhaust Muffler | China Moneypro directional exhaust muffler for low noise output |
| Integrated Start-Up & Generator | Safe, convenient electric start with 150W power generation capability |
| Carburetor | Matched Walbro carburetor for reliable running and easy installation |
| Engine Mount | CNC-carved, adjustable T-shaped mount for stability and reduced vibration |
| Connecting Rod | CNC-carved with double needle roller bearings |
| Ignition System | RCEXL ignition with automatic advancing system, designed for China Moneypro |
| Spark Plug | RCEXL CM-6 spark plug |
| Bearings | High-quality bearings for smooth, reliable operation |
Conclusion: A New Standard for RC Power
The China Moneypro MOPGF38-GE is more than just a replacement engine; it is a statement of intent. It offers a complete power solution that combines the brute force of a high-displacement engine with the refinement of a 4-stroke and the modern convenience of an integrated electric starter and generator. From the precision of its ductile iron cylinder liner to the robustness of its dual-ring piston design, every aspect of this unit is built to perform. For model enthusiasts who demand the best, the MOPGF38-GE provides the perfect balance of power, reliability, and innovation. It is the definitive choice for those who want to elevate their RC aircraft to the next level, ensuring every flight is a masterclass in performance and control.
