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Hirobo Evo 50.....  SAB620BBT main blades, brass removed from paddles, OS50 Hyper engine, Hatori SB-50HP muffler, JR500t gyro running a 2700G servo, Futaba GV1 Governor, 2 cell LiPo 1500ma battery regulated to 5.1 volts, Airtronics Stylus PCM receiver and 4 Airtronics 731 analog servos.  Carbon Extreme fins, base plate, and dampeners.  7LBs 12oz without blades.  Lots of power and flies very nice to Fly..