EPP-SU31-Plane  SU31 EPP3D Features  Material produced by the EPP, very Naishuai.  Adopted BOX box-shaped structure, the carbon fiber reinforced composite materials, the body maintain enough strength to achieve lightweight.  Wing of the use of thick 3 D airfoil, flying slow, stunt moves smoothly.  Very suitable for entry to practice the use of 3 D, also apply to senior players  Performance Data:  Wing length: 840 mm  Fuselage length: 860 mm  Wing area: 21.5 bm  Remote control equipment: 4-channel 3 steering gear  Fly weight: 280 g-380g  The proposed allocation of 1: (indoor air flight or small outdoor slow flight)  Motor: KV1000-1400, the weight of 30 to 50 grams of rotor brushless motor  Propeller: 9047-1047-1060  Battery: 7.4 V800MA-7.4V2000MA or 11.1 V800MA-11.1V1200MA  RC equipment: Four-channel remote control three of five grams micro-steering gear  15A brushless governor ultra-small electronic receiver  The proposed allocation of 2: (General indoor or outdoor flying crane)  Motor: KV1000-1400, the weight of 40 to 60 grams of rotor brushless motor  Propeller: 8043-8060-1047  Battery: 7.4 V800MA-7.4V2000MA or 11.1 V800MA-11.1V1200MA  RC equipment: Four-channel remote control of three 8-9 grams of micro-steering gear  18-25A brushless electronic governor, the ultra-small receiver.  Brothermodel offer serious of EPP model planes such as: EPP-YAK54, EPP-lansin, EPP-GeeBee, EPP-Extra330 and so on.  And other model airplanes: A10, FW190, P47, F4U, J3CUB, ME-109, MIGRAGE2000, CATALINA, T-109 and so on.