Type: Two-stroke piston valve petrol aircraft engine
Displacement (cc): 50.8cc
Bore x Stroke: 43mm×35mm
Carburettor: Walbro (Diaphragm & Butterfly Valve)
Max. Output: 5.4PSps/7800rmp
RPM Range: 1300-7600rpm
Weight: About 1740g（Without ignition battery）
Ignition power: DC 4.8 Volts (4 cell NiCad or NiMh battery, ensure battery have max. electric currency of 0.5A or use 5V stable power supply)

Fuel mixture Ratio - gasoline and oil: 25-35 : 1
Propeller: 22x8, 22x10, 23x8 24x6 All 2-blade prop. for three blade drop a size.