DLE120 120cc 2-Stroke Gasoline Engine – High Power Twin Cylinder UAV & RC Aircraft Engine
The DLE120 120cc 2-stroke gasoline engine is a professional-grade twin-cylinder air-cooled power system designed for large UAVs, fixed-wing drones, and heavy RC aircraft. Known for its high thrust output, smooth operation, and excellent fuel efficiency, the DLE120 engine has become a trusted solution for long-endurance aerial platforms and high-performance flight missions.
Overview of the DLE120 Gasoline Engine
The DLE120 is a twin-cylinder two-stroke petrol engine engineered for maximum reliability and power delivery. Its balanced design significantly reduces vibration while increasing torque efficiency, making it ideal for heavy payload UAVs and long-range flight applications.
- 120cc twin-cylinder 2-stroke engine
- High torque and smooth power output
- Air-cooled lightweight construction
- Electronic CDI ignition system
- Designed for UAVs and large RC aircraft
Advanced Engine Design and Build Quality
The engine features a CNC-machined aluminum alloy crankcase for durability while maintaining a lightweight profile. High-quality bearings, precision pistons, and matched exhaust mufflers contribute to long service life and stable combustion.
The air-cooling system ensures optimal temperature control during continuous high-load operation, eliminating the complexity of liquid cooling and reducing overall aircraft weight.
DLE120 Technical Specifications
| Specification | Value |
|---|---|
| Engine Type | Twin-cylinder 2-stroke gasoline |
| Displacement | 120 cc |
| Power Output | Approx. 12 to 12.5 HP |
| Idle Speed | 1300 to 1400 RPM |
| Ignition System | Electronic CDI |
| Cooling | Air-cooled |
| Engine Weight | Approx. 2.4 to 2.5 kg |
| Fuel Type | Gasoline mixed with 2-stroke oil |
| Recommended Fuel Ratio | 30:1 (gasoline to oil) |
| Recommended Propellers | 26x10, 26x12, 27x10, 28x10 inches |
| Static Thrust | Up to approximately 26 kg |
Outstanding Performance for Heavy UAV Platforms
The DLE120 gasoline engine delivers exceptional thrust, enabling strong climb rates and stable cruise performance for heavy-lift drones. Compared with electric propulsion systems, gasoline engines provide significantly longer endurance and reduced operational downtime.
Its twin-cylinder configuration ensures smoother throttle response and consistent power delivery throughout the entire RPM range.
Fuel Efficiency and Long-Endurance Operation
One of the biggest advantages of the DLE120 engine is its fuel efficiency during cruise flight. This allows UAVs to remain airborne for extended missions such as:
- Large-area aerial mapping
- Long-range inspection flights
- Agricultural monitoring
- Surveillance and patrol missions
Applications of the DLE120 120cc Engine
Large Fixed-Wing UAVs
Perfect for professional drones requiring heavy payload support and long-distance operation.
Hybrid VTOL Drones
Provides cruise power after vertical lift, enabling ultra-long endurance VTOL UAV systems.
RC Aircraft and Scale Models
Popular among large aerobatic aircraft and scale warbirds due to smooth power and reliability.
Easy Maintenance and Long Service Life
The DLE120 engine is designed for simple maintenance and long-term reliability:
- Standard spark plug system for quick replacement
- Robust crankshaft bearings
- Accessible carburetor tuning
- Durable exhaust mufflers
Routine inspections, proper fuel mixture, and propeller balancing will ensure optimal performance over extended flight hours.
Why Choose the DLE120 2-Stroke Gasoline Engine?
- High thrust for heavy UAV platforms
- Smooth twin-cylinder operation
- Excellent fuel economy
- Lightweight air-cooled design
- Reliable CDI ignition system
- Proven performance in professional UAV missions
Final Thoughts
The DLE120 120cc twin-cylinder 2-stroke gasoline engine is a top-tier propulsion solution for demanding UAV and RC aircraft applications. Its combination of raw power, long endurance, fuel efficiency, and robust engineering makes it one of the most trusted large-displacement gas engines available today.
For heavy-lift drones, long-range aerial platforms, and professional flight operations, the DLE120 delivers exceptional performance and reliability.