all right markind !!!! make sure you brace the nose first . also did you add flap servos? some spects on mine aileron 1/4 up and down elevator 1.1/4 up and down I know to much. rudder 1/2 left and right. flaps 1 inch down max for take off I land without flaps 8 pounds total 4oz weight on the tail for cog 7 inches back above the rear wheels 10x6x2 prop fly it like a jet ! if possible give your self room take off let her climb then turn tor the first couple of flights I need to fine tune my plane Im have to much Fun flying it I have not test and tune anything . also my son 14 soloed 2 weeks ago this week he flew the typhoon 2 [ I seen the lipo batt is that for a f 27c striker ? waiting for lights to come in [&o] would like to have about 20 lights on it .the nextar I night fly with now has 12 needs at least 3 more mininum looks scale though had 9 people up at once flying very close .glad to hear about the progress the 3 blade prop I do not use it may be to small the ajust for the engine I ajusted once that was it took the baffle out of the muffler A little loud . the Vibration may be normal IF you have the cd that comes with the f22 look at the throws on there f22 alot more than I have . sorry 4 delay falcongt