Definitions
Bleed air
Bleed air refers to compressed air taken from the compressor stage of a gas turbine engine
What are the three wing attachment/placement options
High, middle, or low wing
Which flight control is responsible for producting movement along the lateral axis
Elevator
What does fly-by-wire do?
Pilot inputs are converted to electrical signals
via computers
These computers interpret the commands
from the pilot and ensure stability through
actuation of the flight controls
What color is hydraulic fluid?
Red
Tuss Structure
In this construction method, joined tubing (typically steel or aluminum) produces a series of triangular shapes called trusses, which provide the structure with strength and rigidity.
Ailerons, Elevator, and Rudder
What is the CG
The point at which the aircraft would balance if hung from a string (normally between the firewall and the CP)
What is a benefit of fly-by-light systems?
They reduce maintenance and improve efficiency.
What systems use hydraulics?
Wheel brakes, nose wheel steering, landing gear, flaps/slats, thrust reversers, propeller governor, etc.
Monocoque Structure
Monocoque (French for "single shell") construction uses stressed skin to support almost all loads, much like an aluminum beverage can.
What are your secondary control surfaces
Flaps, trim, etc.
How do sweepback wings help with directional stability?
They cause sway flow as well as induced flow to produce lift. As the plane yaws left, the right wing swings forward, now allowing the relative wing to meet the camber directly (90-degree angle). This causes this wing to create more lift and therefore more induced drag, which pulls it back to its original position.
What is the name for a combined horizontal stabilizer and elevator?
Stabilator
What types of hydraulic pumps are there?
Manual, engine-driven, electric, pneumatic, hydraulic
Ailerons (French for "little wing") are control surfaces on each wing that move the aircraft about its longitudinal axis, allowing it to "roll" or "bank.
What are the benefits of tapered wings
What are flaps and slats
High-lift devices
What is the name for combined ailerons and spoilers
Spoilerons
What is a hydraulic actuator
It's basically a cylinder with a piston inside of it that is pushed one way or another by pressurized hydraulic fluid.
Thrust Vectoring
Alters engine exhaust direction
Assists control through pitch / roll / yaw
Enhances maneuverability and short takeoff capability
What wing shape is typically used in training aircraft
Rectangular wing
How does an aft CG affect aircraft control?
It makes your rudder less effective because the arm between the control surface and the CP is shorter (less mechanical advantage).
What do winglets do?
Decrease drag by redirecting and "shrinking" wingtip vortices.
What are some threats of the hydraulic system?
System overheating, loss of pressure, leaks, fluid contamination