This is the very latest specification RCGF engine. CM6 Spark Plugs, New Cylinder design and a Genuine WALBRO Carb. This 50cc Twin cylinder is a smooth runner that is very happy at home in any plane in the 40 to 50cc size range. Of course, being a horizontal twin, it does fit into a wider cowl than the single but with the latest cylinder design, it is amongst the narrowest engines in it’s class. These are made to the very exact specifications of one of the worlds largest OEM Manufacturers for RC plane engines. Each engine is fully inspected by us as soon as it is received from the manufacturer. These engines are fully QC inspected so that you, the customer, are assured that you receive the very best value for money. These engines are well powered, reliable and are backed by a full 1 year factory warranty. They are supplied as a full “Ready to go” package and include the exhaust shown, electronic auto advance ignition and basic tools to keep you in the air. | Specifications | | Size | 51.8 cc | | Bore x Stroke | 34mm x 28.6mm | | Useful RPM Range | 1500 – 7500 RPM | | Carburetor | Genuine Walbro Diaphragm Pump | | Ignition | RCExcel Electronic Auto Advance | | Power Supply | 4.8 – 6volts | | Maximum Output | 3.2KW (4.7 BHP) | | Gas/Oil Mix | 25 – 40:1 Mineral Oil | | Benchmark Prop | 22 x 8 @ 7100 rpm | | Weight (with Muffler & Ignition) | 1.75 kg (62 Oz) | |