3I 123cc B2 2-Cylinder air-cooled UAV engine Electronic Ignition

3I 123cc B2 2-Cylinder engines Electronic Ignition

UAV size engine

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Displacement: 123cc (7.5 cu in)
Performance: 12.2 HP
Speed Range: 1500-6650 RPM (Test Propeller-27*10)
Bore: 47 mm (1.85 in)
Stroke: 35 mm (1.38 in)
Static Thrust: 26.8 kg @ 100 m ALT (59 lb @ 328 ft ALT)
Static Thrust: 23.8 kg @ 1800 m ALT (52.5 lb @ 5900 ft ALT)
Compression ratio: 8:1
Lubrication ratio: 30:1 (Fuel: 2-Stroke Motor Oil)
Ignition Voltage: 6-14 V
Spark Plug Type: CM6 Iridium Spark Plug
Recommended Propeller: 26×10; 26×12; 27×10; 28×10
Weight of Main Engine: 2677g
Weight of Muffler Set: 228g (L&R Mufflers; Screws)
Weight of Aluminum Standoffs Set: 130g (Including Screws)
Weight of Spark Plug: 13.5g*2 (CM6*2)
Weight of Starter: 253g
Weight of ESC: 36g
Weight of CDI (Ignition): 173g
Total Weight: 3524g (7.77 lb)