F2D
F2D is the most technologically developed class of combat, and is the only class recognised internationally (so there is a real World Championships of Control-line combat).
F2D Combat Introduction by Mark Rudner - Excellent!
A typical F2D Plane is dissected here.
An F2D plane can turn at 100g's by my calculations
YouTube videos of F2D combat (but remember, its more fun for the pilots than for a spectator):