3I 40cc B2 2-cylinder air-cooled UAV engine

PARAMETERS
Model: 3I 40CC B2
Displacement: 40cc (2.44 cu in)
Performance:4.6HP
Speed Range: 1800-7300 RPM (Test Propeller-20*8)
Bore: 32 mm (1.26 in)
Stroke: 27mm (1.06 in)
Static Thrust: 10.5 kg 100 m ALT (23.2 Ib @ 328 ft ALT)
Static Thrust: 8.8 kg @ 1800 m ALT (19.4 Ib @ 5900 ft ALT)
Compression ratio: 9:1
Lubrication ratio: 30:1 (Fuel: 2-Stroke Motor Oil)
Ignition Voltage: 6-14 V
Spark Plug Type: CM6 Iridium Spark Plug
Recommended Propeller:20x 8; 20×10; 19×8;19×10
Weight of Main Engine: 1150g
Weight of Muffler Set:136g(L&R Mufflers;Screws)
Weight of AluminumStandoffsSet:84g
Weight of Spark Plug: 13.5g*2 (CM6*2)
Weight of CDI (Ignition): 173g
Total Weight: 1570g (3.46 Ib)

New Engine,More Power
Smooth operator Give your sport aircraft the low-vibration smoothness and unique sound of a horizontally opposed twin!
the gasoline engine is designed for large scale aircraft.
it combines with excellent quality and reasonable price.