RCGF 31cc Twin Air Cooled Double-cylinder 2-stroke Piston Valve Gasoline Engine for RC Fixed Wing Airplane

RCGF 31cc Twin Air Cooled Double-cylinder 2-stroke Piston Valve Gasoline Engine for RC Fixed Wing AirplaneFeatures:.The engine is specially designed for large fixed-wing aircraft models,with excellent quality and reasonable price..With smooth operation and strong power,you can get a smoother flight experience,bringing low-vibration stability and unique sound effects of horizontally opposed twins to your aircraft..We provide you with the best quality products and services,for the products have any questions,please consult us,we will provide you with the best quality after-sales service and protection.Pattern Suit: Suitable for people over 14 years old. Perfect gifts for DIY modified ,teaching,collection and moreSpecifications:.Brand: RCGF .Material: Metal .Model Type: 2-stroke piston valve type gasoline engine for airplane .Cooling System: Air cooling .Performance: 3.7HP/7800rpm .Idle Speed: 2000rpm .Static Thrust: 17.2 lb (15kg) @328 ft (100m) height, 15.3 lb (13kg) @5900 ft (1800m) height .Displacement: 31cc (1.89cu in) .Bore Diameter x Stroke (mm): 1.26in(32mm) x 0.77in(19.6mm) .Compression Ratio: 8:1 .Lubrication Ratio: 30:1 .Carburetor: Walbro .Ignition Method: DC-CDI .Power Supply: 6-14V .Spark Plug: NGK-CM6 .Requirements: Gasoline, 2-stroke oil, ignition battery and propeller .Gasoline: Pre-mixed fuel, 25-40 gasoline: 1 engine oil (recommended 30:1) .Lubricant: 2-stroke oil .Recommended Propeller: 18 x 8, 18 x 10, 19 x 8, 20 x 8 .Exhaust Pipe Weight: 2.7oz (76g) x 2 .Igniter Weight: 6.2oz (175g) .Host Weight: 2.04 lb (927g) .Product Weight: 927g .Package Dimensions: 25 x 10 x 15cm .Package Weight: 1300g .Packing: BoxPackage Content:.1 x Engine .1 x Exhaust Pipe .1 x CDI Igniter .1 x Spark Plug .1Set x Screw .1Set x Gasket .1Set x Bracket .1 x User Manual