DL-50 50cc Petrol Engine for Radio Control Aeroplane

Specifications: Output Power: 5.2HP at 7500rpm Idle Speed: 1350 rpm Maximum Speed: 9000rpm Static Thrust: 30lbs at 100 meters altitude; 25lbs at 1800 meters Displacement: 50.8cc Bore and Stroke: 43mm×35mm Compression Ratio: 7.5:1 Weight: Engine - 1350g Exhaust - 100g Ignition - 120g Configuration 2Cycle air cooled Walbro membrane pump carburetor with manual choke Automatic advancing electronic ignition Includes/Requires: Requirements Fuel: 2C Regular Gas mixed 30:1 - 45:1 (petroleum based for break in, synthetic thereafter) Propeller: 22×8; 22×10; 23×8 Ignition Battery:4.8 to 6.0 Volts >=1200Mah Replacement Spark plug: NGK CM6 or equivalent Gap: 0.018" to 0.020" Installation torque:7 to 8 ft-lbs.