X-38cc-R PRO
Displacement: 38cc (2.33 cu in)
Performance: 4.2HP
Speed Range: 1800-7300 RPM (Test Propeller-20x8)
Bore: 39mm (1.54 in)
Stroke: 32.5mm (1.28 in)
Static Thrust: 9.9 kg @ 100 m ALT (21.8 lb @ 328 ft ALT)
Static Thrust: 8.2 kg @ 1800 m ALT (18.1 lb @ 5900 ft ALT)
Compression ratio: 9:1
Lubrication ratio: 40:1 (Fuel: 2-Stroke Motor Oil)
Ignition Voltage: 6-14 V
Spark Plug Type: CM6 Iridium Spark Plug
Recommended Propeller: 19x8; 19x10; 20x8; 20x10
Weight of Main Engine: 1216g
Weight of Starter: 109g
Total Weight: 1542.5g (3.4 lb)
Please note the warranty starts from the day you purchase the engine, not the day you first run it.