I would like the opinion of experienced flyers about using standard heavy duty servos (or ball bearing) with a 6 volt battery pack in a .90 size Funtana with a 69.5 inch wingspan. I want to point out that I do not fly 3-D. I fly circles, loops and rolls, etc. sport flying. I just purchased the Funtana and I like the way 3-D planes, such as the .40 size Twist that I fly, handles. I have all my planes set up with a lot of exponential.