ROTOR SPEED

SCALE TAIL ROTORS & THROTTLE SERVO SETUP This CH-53 demonstrates several design features not used in our models. Note the flapping head and flexible rotor blades producing a notable coning angle. The 4-blade tail rotor is tilted off vertical to add lift to the tail. In the September issue of our sister publication, Electric Flight, Heli Talk columnist Jim Ryan had a very interesting article on motorized tails for scale helicopters. Many scale helis have...