User Manual
88
effect and is not a critical mix for most helicopters.)
Ruddervator
Ruddervators are on a v-tail. Both of the ruddervators move up and down for pitch control and both move
left or right for yaw control.
Rx
Abbreviation for receiver.
SMT = Surface Mount Technology
Ultralight, solid-state components which offer greater vibration resistance and reliability.
Seaplane
Servo
The electro-mechanical device which moves the control surfaces or throttle of the aircraft according to
commands from the receiver. The radio device which does the physical work inside the aircraft.
Servo Reversing
Servo Output Arm
The removable arm or wheel which bolts to the output shaft of a servo and connects to the pushrod.
Slats
open and close automatically, depending upon airspeed and angle of attack.
Slip
of descent without picking up a lot of speed.
Slop
Unwanted, excessive free movement in a control system. Often caused by a hole in a servo arm or control
horn that is too big for the pushrod wire or clevis pin. This condition allows the control surface to move
Slot