tail wag

hey guys just spent $50 on a new ga 250 gyro and align digital tail servo and the frigging thing is still wagging uncontrollably!! i took my training gear off and that almost fixed it, but then right before take off the wagging came back. when ever i adjust the gyro sensitivity on my tx it seems...

hi i have an e-razor 450 with a gy-192 hh gyro. when ever i fly it and put to much rudder input the tail starts violently waging so much i have to set it down. ive tryied adjusting my gyro sensativity but tht seems to make it worse i have it above 50 now. but what would be the problem and how...