II noticed you mentioned mounting a co-pilot under the fuselage. I wouldn't recommend putting it under there, The heat from your exhaust can confuse the sensor. I had one on a cloud dancer mounted under the wing, the co-pilot kept rolling the plane away from the exhaust. I fought to hold on, but to no avail. Definitely set it up so you can turn it on or off during flight, or better yet, set it up on a proportional channel so you can adjust the sensitivity while in flight. Good Luck.