Hi,I have the apm2.5 on an gaui 300x frame and it wors great. Now I want to add extra cool sensors on it :) 1) I was thinking bout the sonar, will the sonar be much beter for alt hold? 2) Is the airspeed kit any good? and does it help the apm2.5 to fly any better on a quad? 3) what about seperate magnoto meter or presure senosor? are they beter then what is inside the board? I was thinking to get the Absolute Pressure and Temperature Sensor - BMP085 so I can mount it seperatly in an small box…See More

Hi, I fly helies for many years now, This is my first quad and I have setup and got everything flying, but I have some questions and hoop you know the anwsers :) 1. Is it possible to use trim on cyclic for elev and aileron? would that have any bad effect when swichting to other modes? or I just should disable trims and dont use it like in flybarless helis. 2. When I hover inside it always drift to front and right, only when I use ch7 its perfecly stabale. once I swich ch 7 back off it start…See More