first heli never flown anything before -(race 1/10 cars for 20 years) Blade CX2 got it used with one spare top balde 2 spare bottom blades & the top hub has been replaced (aluminum) - ....i trimmed it to where it was ALMOST stable in med. throttle (not enough to lift off) - i got it to fly about 20ft off the ground for about 10 seconds - landed it - took it home to tweak it to get it REALLY stable.......trimmed & gain adjusted on the 3 n 1 (not 4 n 1) reset all trims 95% max left on the rudder 95% max right on the aliron 95% max forward on the elevator......now all it wants to do is hover in reversed left hand circles cant trim it out.....what should i do?