Steve,

I wish that was a pic of one of my planes. Its my buddies Carden 40% Edge.

The reason the moment on the pull pull arm is so large is because that is the same distance as the horns are on the rudder. Distance at the arm and at the surface have to be the same to keep the geometry correct. What you cant really see too well in the pic is that there are actually two servo's driving that pull pull arm.

As far as the heli goes,,,,,I never pulled the trigger. I wound up getting an Aeroworks 29% Edge kit. I am going to put my BME 44 in it.