Walkera G3 EFI control power system

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G3 EFI electronic fuel injection control power system uses electronic control device instead of traditional mechanical system to control the fuel supply process of the engine.

Sensors are used to detect the parameter signals of the engine operation. After calculation, analysis and comparison, the trigger angle, fuel injection, ignition, cold engine start-up compensation and acceleration compensation are set up by the electronic control unit (ECU) to ensure the safety of the engine.

The engine always works in the best condition


Engine Specification: Two-Stroke Gasoline Generator

Weight: 4.5kg (excluding parts)

Size: (L*W*H)230*226*260mm

Displacement: 32 CC

Power: 1.8 KW continuous power, Max. power 2KW power

Fuel consumption: 750g/kWh (hovering 1.5L/h)

Applicable models: Multi-axis UAV, model helicopter, Vertical takeoff and landing fixed-wing

Max. altitude: 4000m

Applicable ambient temperature: – 20℃ ~40 ℃

Fuel type: (gasoline + synthetic lubricant) ratio 25:1



Typical drone sizes
Typical drone sizes
Type Measurement Typical size
Airplane  wingspan 1500-5000mm
VTOL wingspan 2000-5000mm
Helicopter Rotor width 1500-3000mm
Quadcopter diagonal motor to motor 250-1100mm
Hexacopter as above 500-1500mm
Octocopter as above 800-1900mm


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