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  • 1 year ago
Structure of Jet Airliner
1. Fuselage
Description: The main body of the aircraft that houses the passengers, cargo, and crew.
Components:
Cockpit: Where pilots control the aircraft and manage its systems.
Cabin: Passenger area, including seating, storage, and amenities.
Cargo Hold: Space for luggage and cargo, usually located beneath the passenger cabin.
2. Wings
Description: Extend from either side of the fuselage and provide lift.
Components:
Wingbox: The main structural component of the wing that supports its load and houses fuel tanks.
Ailerons: Control surfaces at the trailing edge of the wings that manage roll.
Flaps: Located near the wing roots, these increase lift and drag during takeoff and landing.
Slats: Positioned on the leading edge of the wings, they improve airflow and lift at lower speeds.
3. Empennage (Tail Section)
Description: The tail of the aircraft, providing stability and control.
Components:
Vertical Stabilizer: The upright part of the tail, housing the rudder for controlling yaw.
Horizontal Stabilizer: The horizontal part of the tail, housing the elevators for controlling pitch.
4. Engines
Description: Provide thrust to propel the aircraft forward.
Components:
Nacelle: The housing that contains the engine and its components.
Fan: The front part of the engine that pulls in air.
Compressor: Compresses the incoming air.
Combustion Chamber: Where fuel is mixed with compressed air and ignited.
Turbine: Extracts energy from the hot gases to drive the compressor and fan.
Nozzle: Expels the exhaust gases to generate thrust.
5. Landing Gear
Description: Supports the aircraft on the ground and during takeoff and landing.
Components:
Main Gear: Located under the wings or fuselage, providing the primary support.
Nose Gear: Located at the front of the aircraft, aiding in steering and support.
Brakes: Installed on the main gear wheels to slow the aircraft after landing.
Shock Absorbers: Reduce the impact forces during landing.
6. Control Surfaces
Description: Allow pilots to control the aircraft’s attitude and direction.
Components:
Ailerons: Control roll by adjusting the lift on each wing.
Elevators: Control pitch by adjusting the angle of the horizontal stabilizer.
Rudder: Controls yaw by adjusting the angle of the vertical stabilizer.
7. Avionics
Description: Electronic systems used for navigation, communication, and flight control.
Components:
Flight Management System (FMS): Automates flight planning and navigation.
Autopilot: Assists in maintaining the aircraft's flight path.
Radar: Detects other aircraft, weather conditions, and terrain.
8. Fuel System
Description: Manages the storage and distribution of fuel.
Components:
Fuel Tanks: Usually located in the wings and fuselage.
Pumps and Valves: Control the flow of fuel to the engines.
9. Hydraulic System
Description: Provides power for various systems such as landing gear, flaps, and control surfaces.
Components:
Pumps: Generate hydraulic pressure.
Actuators: Move parts like landi