New DL-30 30cc gasoline engine

New DLE-30 30cc gasoline engine Performance 3.7HP/8500rpm Idle Speed: 1600rpm/min. 8.5KG Pulling Force/ 100 meters Altitude 7.5KG Pulling Force/1800 meters Altitude The specification of the aircraft propeller: 18*8 18*10 19*8 20*8 The type of the sparking plug: NGK CM6 Parameter: Exhaust Amount: 30.5cm3 Diameterx stroke:36mm*30mm Ratio of compression: 7.6:1 Ratio of lubricating capacity: 30:1 Weight: Main engine-910g. Exhaust Pipe-60g Ignition equipment-120g