DE550 Drone Engine

$12,999.00

The DE550 UAV Engine by DE ENGINE is a 4-cylinder, air-cooled, two-stroke gasoline engine designed for industrial and long-endurance unmanned aerial vehicles. Featuring a solid-state magneto ignition system, the DE550 ensures reliable starting performance and precise ignition timing under all operating conditions. With a displacement of 550 cc, this power system delivers outstanding thrust, smooth operation, and long service life even under demanding flight environments.

Developed from German engineering technology and produced with Chinese manufacturing precision, the DE550 combines high power density, mechanical stability, and exceptional fuel efficiency. Its lightweight yet durable structure allows integration into a wide range of VTOL, fixed-wing, and hybrid UAV platforms. The air-cooled cylinder design improves thermal control and simplifies maintenance, making it ideal for continuous missions.

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Description

DE550 UAV Engine – 4-Cylinder Air-Cooled Two-Stroke Gasoline Power System

The DE550 UAV Engine by DE ENGINE represents the fusion of German engineering technology and Chinese manufacturing excellence. It is a four-cylinder, air-cooled, two-stroke gasoline engine equipped with a solid-state magneto ignition system, purpose-built for heavy-lift, long-endurance industrial UAVs.

With a displacement of 550cc, the DE550 provides exceptional power output and smooth performance while maintaining reliability under extreme flight conditions. Its robust architecture and precision-balanced crankshaft minimize vibration, ensuring stable operation even at high RPMs.

Designed for VTOL hybrid drones, fixed-wing UAVs, and large-scale unmanned platforms, the DE550 offers outstanding power-to-weight ratio, fuel efficiency, and operational endurance. Manufactured under DE ENGINE’s strict CNC machining standards, this engine achieves the perfect balance between German precision and Chinese productivity, setting a new benchmark in professional UAV propulsion technology.

Technical Specifications

Parameter Specification
Model DE550
Brand DE ENGINE
Engine Type 4-cylinder, 2-stroke, air-cooled gasoline engine
Ignition System Solid-state magneto ignition
Displacement 550 cc
Cooling Method Air-cooled cylinder fin system
Fuel Type Gasoline + 2T synthetic oil
Lubrication Ratio 25:1
Max Power Output 25–28 kW (approx.)
Rated Speed Range 2,000–6,500 rpm
Starting System Manual or optional electric starter
Weight Approx. 15–16 kg
Recommended Propeller 32×12″ or 34×10″
Operating Temperature Range −20 °C to +50 °C
Service Life (Initial) 100 hours (before maintenance)
Application Fixed-wing, VTOL, and hybrid UAV platforms

Key Features

  • Four-Cylinder Design for Maximum Power
    Offers smooth torque delivery and reduced vibration, ideal for large UAV platforms requiring balanced and continuous power output.

  • Solid-State Magneto Ignition
    Provides reliable spark timing and improved ignition efficiency, ensuring stable combustion even under rapid throttle changes.

  • Air-Cooled Two-Stroke System
    Simplifies structure, reduces weight, and ensures efficient cooling and reliability during extended operation.

  • High Power-to-Weight Ratio
    The DE550 achieves excellent thrust performance while keeping overall drone payload efficiency high.

  • Precision CNC Manufacturing
    Built under strict quality control with aviation-grade aluminum alloy components for durability and balance.

  • Long Endurance and Fuel Efficiency
    Optimized for continuous operation with low fuel consumption and minimal maintenance.

  • German Technology, Chinese Productivity
    Combines European engineering precision with the scalability of modern Chinese manufacturing.

Applications

  • Heavy-Lift VTOL Drones – Providing powerful thrust for vertical takeoff and long-distance cruise missions.

  • Fixed-Wing Long-Endurance UAVs – Ideal for mapping, surveying, and patrol missions requiring continuous power.

  • Logistics and Cargo UAVs – Capable of supporting payload delivery over long ranges.

  • Industrial and Agricultural Drones – Suitable for crop spraying, environmental monitoring, and infrastructure inspection.

Why Choose DE550

The DE550 UAV Engine is engineered for industrial reliability and performance, making it the preferred choice for professional UAV manufacturers. It delivers consistent power output, smooth operation, and long-term stability. Supported by DE ENGINE’s global after-sales network, the DE550 offers exceptional value and dependability for next-generation unmanned systems.

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