Having a slight problem with the stability and the consistency.Running APM2.5 on a 600tricopter.The first couple of flights the system works flawlessly, But at times becomes really unpredictable. I'm fairly new to this system. I guess my question is…

I"m really in a bind here, and not getting mush out of the for forums.I have a x900 Tricopter and had a kk2 board.Had loads of power to carry my camera,but now with the APM 2.5 system it barly gets off the ground.it looks to me that the APM is…