Helicopter Flashcards
What is the French term for ‘Angle of attack’?
Angle d’incidence
Refers to the angle between the chord line of the blade and the oncoming airflow.
What does ‘Faible incidence’ mean?
Shallow angle
Indicates a low angle of attack.
What is the term for ‘Steep angle’ in French?
Forte incidence
Refers to a high angle of attack.
What is the French term for ‘Blade’?
Pale d’hélice
The component of a propeller that generates lift.
What does ‘Corde de pale’ translate to in English?
Blade chord
The width of the blade at its widest point.
What is the meaning of ‘Pied de pale d’hélice’?
Blade root
The part of the blade that connects to the hub.
What is the term for ‘Blade tip’ in French?
Extrémité ou pointe de la lame
The outermost part of the blade.
What does ‘Hélice vrillée’ refer to?
Twisted blade
A blade design that helps in improving efficiency.
Fill in the blank: To convert is _______.
Transformer
What is the French term for ‘Edge’?
Bord
Refers to the edge of the blade.
What does ‘Bord d’attaque’ mean?
Leading edge
The front edge of the blade.
What is the term for ‘Trailing edge’ in French?
Bord de fuite
The rear edge of the blade.
What does ‘Moyeu d’hélice’ refer to?
Hub
The central part of the propeller where the blades attach.
What is the French term for ‘Pitch’?
Pas d’hélice
Refers to the angle of the blades and how much thrust they generate.
What does ‘Pas large’ mean?
Coarse pitch
Indicates a blade angle that generates more thrust.
What is the term for ‘Fine pitch’ in French?
Pas fin
Indicates a blade angle that generates less thrust.
What does ‘Hélice à pas fixe’ mean?
Fixed pitch propeller
A propeller with a constant blade angle.
What is the French term for ‘Ground adjustable pitch propeller’?
Hélice à pas réglable (manuel)
A propeller whose pitch can be adjusted from the ground.
What does ‘Hélice à pas variable’ refer to?
Variable pitch propeller
A propeller that allows for pitch changes during flight.
What is the meaning of ‘Mouvement de rotation’?
Rotation motion
Refers to the circular movement of the rotor.
What does ‘T/mn’ stand for?
Rpm (revolutions per minute)
A measure of rotational speed.
What is the term for ‘Screw’ in French?
Vis
A fastener used in various components.
What does ‘Envergure’ mean?
Span
The distance from one tip of the rotor blade to the other.
Fill in the blank: To spin is _______.
Vriller
What is the French term for ‘Stall’?
Décrochage
A condition where lift is lost.
What does ‘(être à l’) Arrêt’ mean?
(To be at a) Standstill
Refers to the state of not moving.
What is the term for ‘Stationary’ in French?
Immobile, stationnaire
Indicates that something is not in motion.
What is the translation of ‘Accélérateur’?
Throttle
A control used to manage engine power.
What does ‘Palonnier’ mean?
Anti-torque pedals (control)
Controls used to counteract torque effects.
What is the French term for ‘Bearing’?
Roulement
A component that allows for smooth rotation.
What does ‘Engrenage conique’ refer to?
Bevel gear
A gear system that allows for angle changes in motion.
What is the term for ‘Canopy’ in French?
Coque
The protective cover of the cockpit.
What does ‘Cockpit’ refer to?
Cockpit/ Flight deck
The area where the pilot controls the aircraft.
What is the French term for ‘Collective (pitch control)’?
Pas collectif ou Pas général
A control that adjusts the pitch of all rotor blades simultaneously.
What does ‘Chambre de combustion’ mean?
Combustion chamber
The area where fuel combustion occurs in the engine.
What is the term for ‘Control rods (pitch change links)’ in French?
Biellette de pas
Mechanisms that connect controls to the rotor blades.
What does ‘Cyclic (pitch control)’ refer to?
Cyclic
A control that adjusts the pitch of rotor blades individually.
What is the French term for ‘Fin’?
Dérive
The vertical stabilizer of the aircraft.
What does ‘Boite de transmission’ mean?
Gearbox
A component that transfers power from the engine to the rotor.
What is the term for ‘Gyroscopic precession’ in French?
Précession gyroscopique
A phenomenon that affects rotor behavior during flight.
What does ‘Être en vol stationnaire’ mean?
To hover
The ability to maintain a position in the air.
What is the French term for ‘Landing skids’?
Patins atterrisseurs
Structures that support the aircraft during landing.
What does ‘Rotor principal’ refer to?
Main rotor
The primary rotor that provides lift and thrust.
What is the meaning of ‘Moteur’?
Powerplant / Engine
The component that provides power to the aircraft.
What does ‘Pales de rotor’ mean?
Rotor blades
The blades that rotate to create lift.
What is the term for ‘Rotor shaft / rotor mast’ in French?
Mât de rotor / arbre de rotor
The structure that supports the rotor and allows it to spin.
What does ‘Plateau cyclique’ refer to?
Swashplate
A component that translates control inputs into rotor blade pitch changes.
What is the French term for ‘Tail boom’?
Poutre de queue
The structure that extends from the main body of the aircraft to the tail.
What does ‘Rotor anti-couple’ mean?
Tail rotor
A rotor that counteracts the torque from the main rotor.
What is the term for ‘Throttle (control) / Twist grip’ in French?
Commande/ Manette de gaz
The control used to regulate engine power.
Fill in the blank: To tilt is _______.
Incliner
What does ‘Torsion’ mean?
Torque
A measure of rotational force.
What is the French term for ‘Transmission’?
Transmission
Refers to the system that transfers power from the engine to the rotor.
What does ‘Turbomoteur’ refer to?
Turboshaft
A type of engine that drives a rotor or propeller using a shaft.
