Specifications:

Performance: 3.8HP/8200rpm
Idle speed: 1700rpm/min.
8.8Kg Pulling Force/100meters Altitude
7.8Kg Pulling Force/1800meters Altitude
Propeller: 18*8, 18*10, 19*8, 20*8
Spark Plug: NGK CM6
Exhaust Amount: 32.23cm3
Bore x Stroke: 37mm x 30mm
Compression Ratio: 7.6:1
Lubrication Ratio: 30:1 (Break In), 40:1~50:1(Normal Flying)
Main Engine Weight: 910g
Muffler Weight: 65g
Ignition Weight: 100g

Performance and Parameter :
Power: 5.6HP/7600RPM
Idle Speed: 1400rpm/min
Pulling Force: 15kg/100M Alltitude, 13kg/1800M Altitude
Aircraft Propeller: 22×8,22×10, 23×8, 23×10
Spark Plug: Special Type
Exhaust Amount: 56cm3
Cylinder Bore×Stroke: 45mm×35mm
Compression Ratio: 7.6:1
Lubrication Ratio:30:1 (Trial Run), 40:1(Normal Flying)
Weight:Main Engine:1290g, Exhaust Pipe:115g, Ignition:120g

Performance and Parameter :
Power: 6.0HP/8500RPM
Idle Speed: 1300rpm/min
15.0Kg Pulling Force/100meters Altitude
13.2Kg Pulling Force/1800meters Altitude
Aircraft Propeller: 22×10,23×10,23×8, 24×8
Spark Plug: DLA CM6
Exhaust Amount: 58CC
Cylinder Bore×Stroke: 46mm×35mm
Compression Ratio: 7.8: 1
Lubrication Ratio:25:1~30: 1(Trial Run), 40: 1~50:1(Normal Flying)
Weight:
Main Engine:1310g
Exhaust Pipe: 110g
Ignition: 135g

Performance and Parameter
Power: 11.8HP/7500RPM
Idle Speed: 1300rpm/min
26.8Kg Pulling Force/100meters Altitude
23.8Kg Pulling Force/1800meters Altitude
Aircraft Propeller: 26*10,26*12,27*10,28*10
Spark Plug: DLA CM6
Exhaust Amount: 116CC
Cylinder Bore*Stroke: 46mm*35mm
Compression Ratio: 7.8: 1
Lubrication Ratio:25:1~30: 1(Trial Run), 40: 1~50:1(Normal Flying)
Weight:
Main Engine:2600g
Exhaust Pipe: 115g*2
Ignition: 180g