Empennage
Definition
The structural assembly of aerodynamic stabilizing surfaces usually located at the rear section of an aircraft fuselage or body, consisting of the horizontal empennage (stabilizer and elevator) and the vertical empennage (fin and rudder). This design layout has the core function of ensuring directional stability, longitudinal stability, and flight control maneuvers during path tracking.
Bilingual Equivalents
- Empennage
- Tail unit
Grammatical & Source Details
| Inflection Type | Neuter noun, taking regular structural variations across aerospace and engineering technical reports. |
| Formation | Technical suffix adaptation derived from French 'empennage', tracking structural configurations of tail flight controls. |
| Spelling / Pronunciation | [am.pe.ˈnaʒ] |
| Source | FAA Pilot's Handbook of Aeronautical Knowledge and Aircraft Design Lexicons |
Contextual Usage Examples
RO: Inginerul de zbor a inspectat structura de ampenaj vertical pentru a verifica dacă există fisuri în zona derivei.
EN: The flight engineer inspected the vertical empennage structure to check for any cracks in the fin area.
RO: Un avion cu ampenaj în formă de T este mai eficient la viteze mari, dar poate fi predispus la fenomenul de angajare profundă.
EN: An aircraft with a T-tail empennage configuration is more efficient at high speeds, but can be prone to deep stall phenomena.
RO: Forțele aerodinamice exercitate asupra unui ampatament și ampenaj au fost simulate pe calculator în tunelul de vânt virtual.
EN: The aerodynamic forces exerted on a wheelbase and empennage were computer-simulated inside the virtual wind tunnel.
Idioms & Phrases
Ampenaj vertical / Vertical tail / Vertical stabilizer
RO: Plan aerodinamic fix perpendicular pe fuselaj care împiedică mișcările nedorite de girație și susține cârma de direcție.
EN: A fixed aerodynamic surface perpendicular to the fuselage that prevents unwanted yaw movements and supports the rudder.
Ampenaj orizontal / Horizontal tail / Horizontal stabilizer
RO: Structură plană orizontală responsabilă de controlul mișcării de tangaj (urcare și coborâre) a aeronavei.
EN: A flat horizontal structure responsible for controlling the pitch movement (climb and descent) of the aircraft.
Ampenaj în T / T-tail configuration
RO: Arhitectură specifică unde ampenajul orizontal este montat direct în partea superioară a derivei verticale, ferit de turbulențele aripilor.
EN: A specific layout where the horizontal stabilizer is mounted directly on top of the vertical fin, clear of wing wake turbulence.
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