DE730 730cc Four-Cylinder Heavy-Lift UAV Engine
DE730 730cc Four-Cylinder Air-Cooled Gasoline Engine for Large UAVs - Image 2
DE730 730cc Four-Cylinder Air-Cooled Gasoline Engine for Large UAVs - Image 3

DE730 730cc Four-Cylinder Air-Cooled Gasoline Engine for Large UAVs

$17,500.00

The DE730 is a flagship 730cc four-cylinder gasoline engine developed specifically for heavy-duty industrial UAV applications that demand strong propulsion and long-endurance performance. With a rated output of 63.5 hp (47.3 kW) and support for up to 270 kg MTOW, it provides exceptional lifting capability for logistics platforms, disaster-response aircraft, and high-payload VTOL hybrid drones. The air-cooled two-stroke design ensures high power density and consistent operation in challenging climates, while the solid-state magneto ignition and high compression ratio of 10.5:1 deliver smooth and reliable combustion throughout the full 2000–7500 rpm range.

For enhanced system compatibility, the DE730 offers optional EFI and onboard generator systems, enabling continuous electrical power for avionics, sensors and mission payloads. With industrial-grade structural integrity and reduced-vibration four-cylinder dynamics, the DE730 stands as one of the most capable propulsion solutions in the global UAV heavy-lift market.

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Description

DE Engine • Power System for Strategic Heavy-Lift Drone Missions

The DE730 is a high-output 730cc four-cylinder gasoline engine built for heavy industrial UAVs that require extreme lifting capacity and sustained flight power. Delivering up to 63.5 hp (47.3 kW) and supporting UAVs up to 270 kg MTOW, the DE730 is ideal for long-distance logistics, disaster relief, surveillance, border security operations and maritime transport missions.

With an operating range of 2000–7500 rpm, high compression ratio of 10.5:1, and fuel consumption of 17 L/h, the DE730 combines strong thrust output with industrial-grade fuel efficiency. Optional electric starter, generator and EFI ensure reliable power delivery for advanced avionics and complex payload systems.

Core Advantages

  • Four cylinders — Extremely smooth operation and reduced vibration for long-endurance missions.
  • Air-cooled — Simplified cooling system ensures durability in harsh environments.
  • Two-stroke power — High power density for rapid acceleration and strong climb performance.
  • Solid-state magneto ignition — Reliable ignition with minimal maintenance needs.
  • Mixture lubrication — Stable lubrication and lower component wear.
  • Push & pull compatible — Wide installation flexibility for fixed-wing and hybrid VTOL UAVs.

Technical Specifications — DE730

Brand DE Engine
Model DE730
Engine Type 4-cylinder, 2-stroke, air-cooled
Power Output 63.5 hp / 47.3 kW
RPM Range 2000–7500 rpm
Max Take-off Weight (MTOW) 270 kg
Recommended Propellers 40 × 20 / 45 × 20
Ignition System Solid-state magneto ignition
Ignition Voltage 6V–14.4V DC
Starting System 12V–24V electric start (optional)
Displacement 730 cc
Bore × Stroke 66 mm × 54 mm
Compression Ratio 10.5:1
Fuel Consumption 17 L/h
Lubrication Ratio 30:1
Weight 18.5 kg
Dimensions (L × W × H) 420 × 410 × 370 mm
Carburetor Type BM6A
Optional Features Generator & EFI fuel injection

Recommended Applications

  • High-payload logistics & cargo UAVs
  • Heavy-lift VTOL hybrid drones
  • Disaster response & medical supply delivery
  • Offshore & maritime inspection aircraft
  • Border patrol & critical mission security platforms
  • Construction & utility inspection UAVs

Why Choose DE730?

  • Industrial-grade power with 63.5 hp output.
  • 270 kg MTOW capability for serious heavy-lift missions.
  • Strong durability with alloy materials and advanced ignition.
  • Designed for continuous mission usage worldwide.

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