Technical Specifications Displacement: 30.5cc Output Power: 3.7 HP / 8500 rpm Idle Speed: 1600 rpm Static Thrust: 8.5 KG (at 100m altitude); 7.5 KG (at 1800m altitude) Recommended Propellers: 18x10, 18x8, 19x8, 20x8 Spark Plug: NGK CM6 or equivalent (Gap: 0.018" to 0.020") Ignition Battery: 4.8V - 6.0V (max), >= 1200mAh Fuel: Regular Gasoline mixed 30:1 (Use mineral-based for break-in, synthetic thereafter) Compression Ratio: 7.6:1 Bore x Stroke: 30.5mm x 30mm Installation Torque: 7 to 8 ft-lbs Package Includes 1 x DLE 30cc Gas Engine 1 x Auto Advancing Electronic Ignition 1 x Muffler, Gasket, and Bolts 1 x Set of Aluminum Standoffs and Bolts 1 x DLE Engines English Instruction Manual.
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