High Efficiency DLE61 2-Stroke Engine 61CC

High Efficiency DLE61 2-Stroke Engine 61CC The High Efficiency DLE61 2-Stroke Engine 61CC is a high-performance gasoline engine designed for UAVs, RC aircraft, and other demanding aerial platforms. With its...

High Efficiency DLE61 2-Stroke Engine 61CC

The High Efficiency DLE61 2-Stroke Engine 61CC is a high-performance gasoline engine designed for UAVs, RC aircraft, and other demanding aerial platforms. With its excellent power-to-weight ratio, durable build, and stable output, it is widely used in professional drone applications and large-scale model aircraft.

Key Features

6 HP at 7,500 RPM for powerful propulsion.
Up to 15 kg static thrust at sea level, ideal for heavy-lift drones.
Includes ignition system, exhaust, spark plug, and mounting hardware.
CNC-machined construction ensures long-term durability.
Easy to install and maintain, with clear break-in recommendations.

Technical Specifications

Engine Type	2-Stroke Gasoline
Displacement	61 cc
Bore × Stroke	47 mm × 35 mm
Power Output	6 HP @ 7,500 RPM
Idle Speed	Approximately 1,400 RPM
Static Thrust	15 kg @ 100 m altitude; 13 kg @ 1,800 m altitude
Recommended Propellers	22×10, 23×8, 23×10, 24×8
Spark Plug	NGK CM6
Fuel Mix Ratio	30:1 gasoline-to-oil
Ignition Voltage	4.8 V to 8.4 V
Engine Weight	Approximately 1.37 kg
Exhaust Weight	Approximately 0.15 kg
Ignition Unit Weight	Approximately 0.14 kg

Performance Overview

With its high power output and stable RPM response, the DLE61 engine is well-suited for mid- to large-size UAVs and RC aircraft. Its efficient combustion system ensures strong lift capability, rapid acceleration, and reliable long-duration operation.

Thrust and Efficiency

The engine delivers excellent thrust-to-weight performance, making it suitable for survey drones, industrial platforms, and aerial vehicles requiring strong climbing and takeoff power.

Propeller Compatibility

Supporting multiple propeller sizes from 22 to 24 inches, the DLE61 allows pilots to tune the system for speed, endurance, or lifting force depending on mission requirements.

Application Scenarios

Commercial UAV propulsion systems
Large RC aircraft and scale models
Aerial photography and mapping drones
Agricultural UAVs needing stable thrust
Aerospace and educational research platforms

Installation and Best Practices

Follow the installation manual carefully, especially torque and mount specifications.
Use the recommended NGK CM6 spark plug for optimal ignition.
Break in the engine using a stable test stand or install directly on the aircraft.
Use the correct 30:1 oil mixture to maintain internal lubrication.
Choose propellers from the recommended list to ensure safe operation.

Conclusion

The DLE61 61cc 2-Stroke Engine is a powerful, reliable, and versatile choice for anyone needing high-efficiency gasoline propulsion. Whether you are building a professional UAV, a heavy-lift drone, or a high-performance RC aircraft, the DLE61 offers exceptional value and consistent performance.