bought this heli a couple of weeks ago.
Was not able to tame it down in any fashion. It is all over the place....cannot even get it to hover without it going crazy.
My buddy, an experienced heli flyer was baffled also, and could not trim out the heli to make it flyable.
I flew his trex and man was that easy to fly.
He also offered to sell me his titan tt350. I flew that one also and again had no problems hovering at all.

I bought this cpv3 and spent a lot of money fixing it and upgrading like getting a HH gyro...but this thing is very unstable.
For anyone that is interested in starting out with a axe cpv3...i would recommend against it.
Go for a TREX or the thunder tiger.