Essential Radio Settings Every Pilot Needs

In a recent outing at the flying field, I witnessed a fellow giant-scale enthusiast fly a large aerobatic aircraft in a rather inconsistent manner. Mainly flying 3D-type aerobatics at slow speeds, he would occasionally attempt a hesitation roll, stall turn, or some other traditional maneuver in which precision was needed. Immediately following the flight, I found out that he only used one rate, at all times, where upward of 40 degrees of deflection was used...