2.5HP/9000rpm -Idle Speed: 1750 rpm/min. -Static Thrust 6Kg / 100 meters Altitude -Static Thrust 5.3Kg / 1800 meters Altitude 14 X10; 15 X 8; 16 X 6; 16 X 8; 17 X 6 -The specification of the aircraft propeller:14 X10;15 X 8;16 X 6;16 X 8;17 X 6 -the type of the sparking plug：NGK CM6 […]