DE550 · 550cc 4-Cylinder Air-Cooled Two-Stroke Drone Engine
The DE550 is a 550 cc four-cylinder air-cooled two-stroke gasoline engine developed for long-endurance, heavy-lift UAV missions.
Equipped with a magneto ignition system, DE550 offers reliable starting performance and stable combustion timing for demanding flight envelopes.
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Designed for industrial UAV applications where reliability, endurance and predictable fuel consumption are more important than extreme peak power.
- Four-cylinder architecture for smoother torque and reduced vibration.
- Industrial-grade magneto ignition for dependable starting.
- Air-cooled design for simple installation and maintenance.
- Developed specifically for heavy-duty UAV applications.
Typical UAV applications
DE550 is intended for serious industrial and governmental UAV applications, including:
- Heavy-lift VTOL drones for logistics and resupply
- Large fixed-wing UAVs with multi-sensor payloads
- Long-endurance border and coastal surveillance aircraft
- Emergency response and disaster-relief UAV platforms
Key specifications
| Brand / Model | DE ENGINE · DE550 |
|---|---|
| Engine type | 4-cylinder, 2-stroke, air-cooled gasoline engine |
| Displacement | 550 cc |
| Ignition system | Solid-state magneto ignition |
| Fuel | Aviation gasoline (or 90+ RON) + 2T synthetic oil |