Apprentice
®
S 2 1.2m
EN
25
Glossary of Important Terms
Aileron:
Control surface found on the trailing edge of each wing. Giving right
aileron control causes the right aileron to deflect up and the left aileron to
deflect down, making the aircraft roll to the right. Giving left aileron control
causes the left aileron to deflect up and the right aileron to deflect down,
making the aircraft roll left.
AS3X:
Active Stabilization, 3-Axis. An electronic stability system that counters
outside forces such as wind, turbulence, torque, tip-stall, control sensitivity
issues due to CG position, to make the aircraft fly more smoothly, and
provide a better flying experience.
Binding:
The process of electronically linking the transmitter to the receiver.
The aircraft will then recognize only a particular transmitter.
Center of Gravity (CG):
Point at which the aircraft balances, most notably from
front to back.
Clevis:
The U-shaped connector at the end of the aircraft pushrod which
allows adjustment of the pushrod length.
Control Throw:
The distance a control surface deflects, normally measured
from the widest point of the control surface.
Dual Rate:
Setting found in the transmitter which allows two different control
throw distances when the control stick is deflected fully. Using a low rate
gives less control throw at full deflection and thus a less sensitive feel to the
aircraft. Using high rate gives greater control throw at full deflection and thus
a more sensitive feel to the aircraft.
Elevator:
Control surface found on the trailing edge of the horizontal stabilizer.
Up elevator causes the aircraft to pitch up. Down elevator causes the aircraft
to pitch down.
Electronic Speed Control (ESC):
an electronic device that controls and
regulates the speed of the motor. It has connections from the battery, to the
motor, and to the Receiver.
Exponential:
A setting programmed in the transmitter which allows the
pilot to tailor the sensitivity of the controls around neutral. Increasing the
exponential value creates a softer control feel around neutral, thus making
the aircraft less sensitive to control inputs. Exponential only affects the
controls around neutral.
Low Voltage Cutoff (LVC):
A safety feature built into the electronic speed
control which activates when the battery voltage drops below a determined
level, cutting power to the motor, but still providing power to the receiver
and servos, allowing the aircraft to be landed safely.
Pitch:
The rotation of the aircraft nose up or down, controlled by the elevator.
Range Test:
Test to check the transmitter and receiver are functioning
properly. The test is done by setting the transmitter to a low-power mode
and testing the control function from a set distance.
Receiver:
an electronic device installed in the aircraft which decodes the
control inputs sent from the transmitter and sends the inputs to the servos.
Roll:
Left and right rotation of the aircraft around the longitudinal axis.
Rudder:
Control surface found on the trailing edge of the vertical stabilizer.
Right rudder control causes the nose of the aircraft to turn to the right. Left
rudder causes the nose of the aircraft to turn left.
Sensor-Assisted Flight Envelope (SAFE) Technology:
Offers smoother
flight capability that battles windy conditions for you and multiple modes so
you can fly with the level of protection and assistance that suits any given
moment of the flight.
Servo:
Electronic component which translates the control signals from the
receiver into movement of a control surface. The servo is connected to the
control surface with a pushrod.
Throttle:
Control input which regulates the speed of the motor. A higher
throttle setting makes the motor rotate faster, thus increasing forward thrust.
A lower throttle setting makes the motor rotate slower, thus decreasing
forward thrust.
Transmitter:
Control unit held by the pilot which sends signals to the aircraft.
Yaw:
Left or right rotation of the aircraft nose, controlled by the rudder.
Important Federal Aviation Administration (FAA) Information
Use the QR code below to learn more about the Recreational UAS Safety Test
(TRUST), as was introduced by the 2018 FAA Reauthorization Bill. This free
test is required by the FAA for all recreational flyers in the United States. The
completed certificate must be presented upon request by any FAA or law
enforcement official.
If your model aircraft weighs more than .55lbs or 250 grams, you are required
by the FAA to register as a recreational flyer and apply your registration number
to the outside of your aircraft. To learn more about registering with the FAA, use
the QR code below.
Recreational UAS Safety Test
FAA DroneZone
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