WattAge F-22 Raptor EP, Instruction Manual, Page: 23 / 28

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Peak Charger: A type of battery charger that uses a mi-
croprocessor to sense when the flight battery is fully
charged. Once peak charged, the charger shuts off so
that the battery does not overcharge.
Pushrods: They connect between the control surface and
the servo, transferring the movement of the servo directly
to the control surface.
Receiver: The part of the radio system that receives the
signals from the transmitter.
Servo: The part of the radio system that produces the
movement necessary to move the control surfaces. The
servo includes a small motor, gears and a circuit board.
Servo Reversing: An option on almost all new radios.
Servo reversing allows you to change the direction a
servo rotates by just flipping a switch on the transmitter.
Stabilators: The stabilators deflect symmetrically to pro-
duce pitch motion and asymmetrically to produce roll
motion. The stabilators are located on either side of the
tail of the aircraft.
Stall Speed: The speed at which air stops moving fast
enough over the surface of a wing to keep the airplane
flying.
Tailerons: Stabilators that are coupled to produce both
pitch and roll control.
Transmitter: The part of the radio system that you con-
trol. It transmits the control inputs to the receiver, which
transfers that information to the servos.
Trim Lever: A sliding lever on the transmitter that al-
lows you to make small adjustments to the control surfaces
from the transmitter.
Vertical Stabilizer: Mounted on the rear of the airplane,
it works with the rudder to turn the airplane. It also gives
the airplane vertical stability.
Z-Bend: This is a special bend made in the pushrod wire.
While it cannot improve your ability to make adjustments,
the Z-Bend is the most secure way to attach the pushrod
wire to the servo horn.