Opposed · Four-Cylinder

FQ-730CC
Powerful & Efficient Performance

Air-cooled two-stroke · 47.3kW · 75kg thrust
Delivering robust power for heavy-lift UAVs and large aircraft.

47.3 kW
Max Power
75 kg
Static Thrust (100m)
730 cc
Displacement
18.5 kg
Weight

Tailored for
Heavy-Lift Missions

Featuring an opposed four-cylinder layout, air-cooled two-stroke, with solid-state magneto ignition and mixed-fuel lubrication, ensuring stable output under heavy-load and complex conditions.

Forced Air Cooling · Efficient Heat Dissipation

Aluminum cylinder block with ceramic‑Ni‑Si hardened inner coating, designed for sustained high‑power operation.

Solid‑State Magneto Ignition

CDI auto‑advance ignition, opposed cylinders fire synchronously, auto‑switching at 500 rpm.

Forged 7‑Piece Assembled Crankshaft

High‑strength lightweight design, optimized vibration damping, significantly extended service life.

Wide RPM Range (2000–7500rpm)

Balances low‑speed torque and high‑rev power, compatible with various large‑size propellers.

Precise · Reliable Parameters

Every data point is bench‑verified, meeting aviation‑grade application standards.

Engine ModelFQ-730CC
ConfigurationOpposed, 4‑cylinder
StrokeTwo‑stroke
Displacement730 cc
Bore × Stroke66 mm × 54 mm
Power63.5 hp / 47.3 kW
RPM Range2000–7500 rpm
Static Thrust (100m altitude)75 kg
Static Thrust (1800m altitude)70 kg
Max Takeoff Weight270 kg
Recommended Propellers32×20; 30×23; 30×25
Weight18.5 kg
CrankshaftForged, 7‑piece assembly
Fuel/Oil Mix Ratio30:1
Ignition SystemCDI auto‑advance ignition
Ignition SequenceOpposed cylinders fire synchronously, auto‑switching at 500 rpm
Carburetor / EFI2 membrane‑type full‑range carburetors, no choke/injector ports
Generator800 W / 2000 W
PistonElliptical ground, aluminum cast
CylinderAluminum cast with ceramic‑Ni‑Si hardened inner coating
StarterOptional
Fuel Consumption (carburetor)17 L/h
Fuel Consumption (EFI)12 L/h
OptionsExhaust adapter, starter, generator
Dimensions (L×W×H)420 × 410 × 370 mm
LubricationMixed‑fuel lubrication
ApplicationPush and pull configurations

Compact · Lightweight Layout

Precise dimensions for easy integration into nacelles or vehicle bodies.

420 mm
Length
410 mm
Width
370 mm
Height
18.5 kg
Net Weight
“FQ-730CC integrates powerful and efficient performance into every detail,
the ideal choice for heavy‑lift UAVs and large aircraft.”
— Powertrain Engineering Team
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