TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

A small percussion instrument consisting of a tapered blade of flexible metal mounted in a wire frame which when the frame is shaken is struck alternately by two balls attached at the end of springy metal strips on either side of the sheet and whose pitch can be changed by thumb pressure on the blade.  2, record 1, English, - flexatone

Record 1,  Textual support,  French

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

A vertical-axis wind turbine that uses a wind vane to mechanically orient a blade pitch change mechanism.  7, record 2, English, - cycloturbine

Record number: 2, Textual support number: 1 CONT

Vertical Axis Turbines. Vertical-axis wind turbines come in a variety of shapes and sizes: the most common type are the Darrieus or egg beater, the Savonius or S-rotor, and the cyclo-turbine. Some machines incorporate features of more than one design.  8, record 2, English, - cycloturbine

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

Éolienne à axe vertical qui utilise une girouette afin d'effectuer mécaniquement une modification du réglage de l'angle des pales.  4, record 2, French, - cycloturbine

Record number: 2, Textual support number: 1 CONT

G.F.M. Darrieus [...] prit un brevet américain en décembre 1931 concernant ses machines. Il est remarquable de voir qu'il n'a pas seulement inventé le batteur à œufs éolien mais aussi la machine à pales verticales droites et orientables [...]. Cette dernière [...] est maintenant commercialisée sous le nom de «gyromill».  5, record 2, French, - cycloturbine

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

A propeller system that allows the pilot to adjust the pitch during flight by means of a hydraulic mechanism.  3, record 3, English, - variable%2Dpitch%20propeller

Record number: 3, Textual support number: 1 CONT

The blades of a variable-pitch propeller are attached to a mechanism in the hub that rotates the entire blade about an axis that runs along the length of the blade … This allows the blade pitch to be varied continuously by the pilot to maintain optimum efficiency at any airspeed.  4, record 3, English, - variable%2Dpitch%20propeller

Record number: 3, Textual support number: 1 OBS

Variable-pitch propellers include propellers whose pitch can be set up automatically and propellers whose pitch can be set up manually (i.e. by pilot’s operation). Although "controllable-pitch propeller" can be a synonym of "variable-pitch propeller," most authors consider that controllable-pitch propellers only include propellers whose pitch can be changed manually.  5, record 3, English, - variable%2Dpitch%20propeller

Record number: 3, Textual support number: 2 OBS

controllable-pitch propeller: term standardized by the British Standards Institution.  6, record 3, English, - variable%2Dpitch%20propeller

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 DEF

Hélice dont on peut régler le pas de façon à modifier le couple résistant.  3, record 3, French, - h%C3%A9lice%20%C3%A0%20pas%20variable

Record number: 3, Textual support number: 1 CONT

Au début, les hélices étaient à pales fixes, réglées pour la vitesse maximale, et ayant un très mauvais rendement au décollage, où une grande puissance est nécessaire. Aujourd'hui, on n'emploie plus que des hélices à pas variable. Dans ces hélices, les pales peuvent tourner autour de leur axe longitudinal (perpendiculaire à l'arbre moteur) pour prendre une inclinaison variable; elles sont actionnées par un moteur électrique ou un piston hydraulique par l'intermédiaire d'un système de leviers ou d'engrenages et de crémaillères, le tout situé dans le carter de l'hélice. L'inclinaison peut être commandée soit à la main, soit automatiquement en fonction de la vitesse du moteur et de la résistance de l'air sur les pales, de manière que le rendement soit toujours optimal.  4, record 3, French, - h%C3%A9lice%20%C3%A0%20pas%20variable

Record 3,  Textual support,  Spanish

Record number: 3, Textual support number: 1 CONT

Para obtener el mejor rendimiento del motor en condiciones de vuelo muy diferentes (despegue, crucero, vuelo bajo o estratosférico, etc.) se usan hélices de paso variable donde el ángulo de ataque es modificado en el curso del vuelo ya por el piloto, ya por un dispositivo automático.  2, record 3, Spanish, - h%C3%A9lice%20de%20paso%20variable

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 CONT

In other small machines the centrifugal force on the blades as the rotational speed rises, is made to change their pitch. The blade fixing at the hub may have a spiral socket so that the blades changes pitch as i is pulled radially outwards by this force or, alternatively, the blade spindle may be bent near the hub so that the centre of gravity of the blade lies off the axis of rotation. Pitch changing with a fly-ball governor is used in the small Winpower machines.  1, record 4, English, - pitch%20changing

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 CONT

Régulation. Principe (...) : variation du calage des pales commandée par des masselottes centrifuges comprimant des ressorts, ce qui a pour effet de faire basculer l'effort aérodynamique dont la composante dans le plan de rotation de l'hélice devient résistante.  1, record 4, French, - variation%20du%20calage

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 OBS

Figure :blade pitch.  1, record 5, English, - blade%20pitch

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 OBS

L'angle de pénétration [de la lame] dans le sol et la profondeur de cette pénétration sont choisis en fonction de la nature du sol. L'angle du coupe, ou d'incidence est plus petit pour les terrains humides que pour les secs.  1, record 5, French, - angle%20de%20p%C3%A9n%C3%A9tration

Record number: 5, Textual support number: 2 OBS

Le terme angle d'incidence de la lame est privilégié par des traducteurs techniques.  5, record 5, French, - angle%20de%20p%C3%A9n%C3%A9tration

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 DEF

The control for changing the pitch of each rotor blade individually as it rotates through one cycle to govern the tilt of the rotor disk and, consequently, the direction and velocity of horizontal movement.  2, record 6, English, - cyclic%20pitch%20control

Record number: 6, Textual support number: 1 OBS

cyclic pitch control: term officially approved by the Aeronautical Terminology Standardization Committee (ATSC) - Helicopters and by the International Civil Aviation Organization (ICAO).  3, record 6, English, - cyclic%20pitch%20control

Record 6,  Textual support,  French

Record number: 6, Textual support number: 1 OBS

commande de pas cyclique : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) – Hélicoptères et par l'Organisation de l'aviation civile internationale (OACI).  2, record 6, French, - commande%20de%20pas%20cyclique

Record 6,  Textual support,  Spanish

Record number: 6, Textual support number: 1 OBS

De un rotor.  1, record 6, Spanish, - mando%20de%20paso%20c%C3%ADclico

Record number: 6, Textual support number: 2 OBS

mando de paso cíclico : término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI).  2, record 6, Spanish, - mando%20de%20paso%20c%C3%ADclico

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 DEF

The time being necessary to move the blade from one defined pitch to another.  1, record 7, English, - time%20for%20pitch%20changing

Record number: 7, Textual support number: 1 OBS

time for pitch changing: term and definition standardized by ISO.  2, record 7, English, - time%20for%20pitch%20changing

Record 7,  Textual support,  French

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 DEF

The blade pitch angle applied to all the blades of a rotor irrespective of their relative position.  2, record 8, English, - collective%20pitch

Record number: 8, Textual support number: 1 CONT

... a fixed-shaft engine running at constant speed is ruined if it is stalled by excessive application of collective pitch.  3, record 8, English, - collective%20pitch

Record 8,  Textual support,  French

Record 8,  Textual support,  Spanish

Record number: 8, Textual support number: 1 DEF

Paso mecánico aplicado a todas las palas de un rotor independientemente de su posición angular (fase) en el disco rotor.  2, record 8, Spanish, - paso%20colectivo

Record 9,  Textual support,  English

Record number: 9, Textual support number: 1 DEF

The pitch of the tangent of the mean line at the trailing edge point.  1, record 9, English, - pitch%20of%20mean%20line%20at%20trailing%20point%20of%20blade%20section

Record number: 9, Textual support number: 1 OBS

pitch of mean line at trailing point of blade section : term and definition standardized by ISO.  2, record 9, English, - pitch%20of%20mean%20line%20at%20trailing%20point%20of%20blade%20section

Record 9,  Textual support,  French

Record 9,  Textual support,  Spanish

Record 10,  Textual support,  English

Record number: 10, Textual support number: 1 DEF

The pitch of the tangent of the mean line at the leading edge point.  1, record 10, English, - pitch%20of%20mean%20line%20at%20leading%20point%20of%20blade%20section

Record number: 10, Textual support number: 1 OBS

pitch of mean line at leading point of blade section : term and definition standardized by ISO.  2, record 10, English, - pitch%20of%20mean%20line%20at%20leading%20point%20of%20blade%20section

Record 10,  Textual support,  French

Record 10,  Textual support,  Spanish

Record 11,  Textual support,  English

Record number: 11, Textual support number: 1 DEF

The acute angle between the no-lift direction and the plane normal to the hub axis.  2, record 11, English, - blade%20angle

Record number: 11, Textual support number: 1 OBS

Pitch is not the same as blade angle, but, because pitch is largely determined by blade angle, the two terms are often used interchangeably. An increase or decrease in one is usually associated with an increase or decrease in the other.  3, record 11, English, - blade%20angle

Record number: 11, Textual support number: 2 OBS

The usual symbol for blade angle is the Greek letter beta.  4, record 11, English, - blade%20angle

Record 11,  Textual support,  French

Record number: 11, Textual support number: 1 DEF

Angle formé par la corde d'un profil [de pale] et le plan de rotation de l'hélice.  3, record 11, French, - angle%20de%20calage

Record 11,  Textual support,  Spanish

Record 12,  Textual support,  English

Record number: 12, Textual support number: 1 DEF

[A] wind turbine [whose] rotor revolutions are [kept] even by adjusting the blade angle.  11, record 12, English, - pitch%2Dregulated%20wind%20turbine

Record number: 12, Textual support number: 1 OBS

In the case of a system with blade-angle adjustment, the electronic controller constantly measures the system’s power output. If this is too high, a command is sent to the blade-adjusting system with the result that the rotor blades are moved slightly out of the wind. When the wind drops, the blades are turned into the wind. It must therefore be possible to turn the rotor blades around their own longitudinal axis.  11, record 12, English, - pitch%2Dregulated%20wind%20turbine

Record 12,  Textual support,  French

Record number: 12, Textual support number: 1 DEF

Éolienne à axe horizontal dont le rotor est muni de pales inclinables qui permettent leur ajustement en fonction de la direction du vent, selon le système de contrôle par calage variable de pale.  4, record 12, French, - %C3%A9olienne%20%C3%A0%20pas%20variable

Record number: 12, Textual support number: 1 CONT

Sur une éolienne contrôlée à calage variable (appelée aussi une éolienne à pas variable), le contrôleur électronique vérifie plusieurs fois par seconde la puissance de sortie de l'éolienne. En cas de puissance de sortie trop élevée, le contrôleur électronique de l'éolienne envoie une commande au dispositif de calage qui pivote immédiatement les pales légèrement sur le côté, hors du vent. Inversement, les pales seront pivotées de manière à pouvoir mieux capter de nouveau l'énergie du vent, dès que le vent aura baissé d'intensité.  3, record 12, French, - %C3%A9olienne%20%C3%A0%20pas%20variable

Record 12,  Textual support,  Spanish

Record 13,  Textual support,  English

Record number: 13, Textual support number: 1 CONT

Twist. The tips of a WT [wind turbine] blade move through the air faster than the roots in the direction of rotation, but the oncoming wind speed is similar at all points along the blade. Hence, to achieve the optimal angle of attack along its length, a WT blade is twisted so that the pitch of the blade reduces from the root to the tip.  2, record 13, English, - twist

Record 13,  Textual support,  French

Record number: 13, Textual support number: 1 DEF

Géométrie d'une pale d'éolienne dont la conformation hélicoïdale permet une réduction du pas, du pied à l'extrémité, permettant ainsi d'optimiser l'angle d'attaque.  2, record 13, French, - vrillage

Record 13,  Textual support,  Spanish

Record 14,  Textual support,  English

Record number: 14, Textual support number: 1 DEF

The angle between the blade chord and the plane of the blade’s rotation.  4, record 14, English, - setting%20angle

Record number: 14, Textual support number: 1 OBS

A blade carved with a twist has a different setting angle at the tip than at the root.  4, record 14, English, - setting%20angle

Record 14,  Textual support,  French

Record number: 14, Textual support number: 1 DEF

Angle formé par la corde d'une pale et le plan de rotation de cette dernière.  2, record 14, French, - angle%20de%20calage

Record number: 14, Textual support number: 1 OBS

Une pale vrillée possédera un angle de calage à son extrémité qui sera différent de celui du pied.  2, record 14, French, - angle%20de%20calage

Record 14,  Textual support,  Spanish

Record number: 14, Textual support number: 1 DEF

Ángulo agudo entre la cuerda de la pala de una hélice y su plano de rotación.  1, record 14, Spanish, - %C3%A1ngulo%20de%20pala

Record 15,  Textual support,  English

Record number: 15, Textual support number: 1 DEF

[A wind turbine system that] operates the blade pitch change mechanism and the parking brake.  3, record 15, English, - hydraulic%20power%20pack

Record 15,  Textual support,  French

Record number: 15, Textual support number: 1 DEF

Système qui commande le mécanisme de pas de pale et le frein de stationnement d'une éolienne.  2, record 15, French, - servocommande%20hydraulique

Record 15,  Textual support,  Spanish

Record 16,  Textual support,  English

Record number: 16, Textual support number: 1 CONT

Pitch control. Pitch-controlled wind turbines ensure that the rotor revolutions are even by adjusting the blade angle.  3, record 16, English, - pitch%20control

Record 16,  Textual support,  French

Record number: 16, Textual support number: 1 DEF

Dispositif équipant une éolienne à pas variable qui permet au rotor de tourner uniformément en réglant l'angle des pales.  3, record 16, French, - contr%C3%B4le%20%C3%A0%20calage%20variable%20de%20pale

Record number: 16, Textual support number: 1 CONT

Contrôle à calage variable de pale. Sur une éolienne contrôlée à calage variable (appelée aussi une éolienne à pas variable), le contrôleur électronique vérifie plusieurs fois par seconde la puissance de sortie de l'éolienne. En cas de puissance de sortie trop élevée, le contrôleur électronique de l'éolienne envoie une commande au dispositif de calage qui pivote immédiatement les pales légèrement sur le côté, hors du vent. Inversement, les pales seront pivotées de manière à pouvoir mieux capter de nouveau l'énergie du vent, dès que le vent aura baissé d'intensité.  4, record 16, French, - contr%C3%B4le%20%C3%A0%20calage%20variable%20de%20pale

Record 16,  Textual support,  Spanish

Record 17,  Textual support,  English

Record number: 17, Textual support number: 1 DEF

[A horizontal axis wind turbine] where the global pitch angle [of the blades] does not change dynamically ...  7, record 17, English, - fixed%2Dpitch%20wind%20turbine

Record number: 17, Textual support number: 1 CONT

Pitch Regulation. Once the rated wind speed has been reached, a WT [wind turbine] will be unable to make use of all of the wind energy incident on the rotor plane and must shed some. A pitch-regulated WT [wind turbine] will do this [namely] by pitching the blades to increase the angle of attack to cause sections of the blade to stall(in pitch-to-stall machines).  4, record 17, English, - fixed%2Dpitch%20wind%20turbine

Record 17,  Textual support,  French

Record number: 17, Textual support number: 1 DEF

Éolienne à axe horizontal dont le rotor est muni de pales fixées de manière rigide au moyeu et qui est régulée soit par effacement du rotor, soit par décrochage aérodynamique passif des pales.  4, record 17, French, - %C3%A9olienne%20%C3%A0%20pas%20fixe

Record 17,  Textual support,  Spanish

Record 18,  Textual support,  English

Record number: 18, Textual support number: 1 DEF

To change the blade pitch angle of each blade of a rotor to a zero or near zero lift condition.  2, record 18, English, - feather

Record number: 18, Textual support number: 1 OBS

Normally used as a method of shutdown.  2, record 18, English, - feather

Record 18,  Textual support,  French

Record number: 18, Textual support number: 1 DEF

[...] changer l'angle d'inclinaison de toutes les pales d'un rotor, en vue d'avoir un angle de portance nul ou presque nul.  2, record 18, French, - mettre%20en%20drapeau

Record number: 18, Textual support number: 1 OBS

Habituellement utilisé comme méthode d'arrêt d'exploitation.  2, record 18, French, - mettre%20en%20drapeau

Record 18,  Textual support,  Spanish

Record 19,  Textual support,  English

Record number: 19, Textual support number: 1 DEF

A mechanism designed to change the pitch angle of rotor blades.  2, record 19, English, - blade%20pitch%20control

Record number: 19, Textual support number: 1 OBS

This is often used to control the speed of the rotor.  2, record 19, English, - blade%20pitch%20control

Record 19,  Textual support,  French

Record number: 19, Textual support number: 1 DEF

Mécanisme qui modifie l'angle de calage des pales d'un rotor.  2, record 19, French, - m%C3%A9canisme%20de%20contr%C3%B4le%20de%20pas%20de%20pale

Record 19,  Textual support,  Spanish

Record 20,  Textual support,  English

Record number: 20, Textual support number: 1 DEF

The periodic change in blade pitch per rotor revolution of articulating, straight blades on vertical-axis wind turbines.  3, record 20, English, - cyclic%20pitch

Record 20,  Textual support,  French

Record number: 20, Textual support number: 1 DEF

Pour une éolienne à axe vertical, variation périodique du pas de pale par tour du rotor des pales droites articulées.  2, record 20, French, - pas%20cyclique

Record 20,  Textual support,  Spanish

Record 21,  Textual support,  English

Record number: 21, Textual support number: 1 DEF

The angle between the chord line of a wind turbine blade and its direction of travel.  2, record 21, English, - blade%20pitch

Record 21,  Textual support,  French

Record number: 21, Textual support number: 1 DEF

Angle formé entre la corde du profil d'une pale d'éolienne et l'orientation que prend cette dernière.  2, record 21, French, - pas%20de%20pale

Record 21,  Textual support,  Spanish

Record 22,  Textual support,  English

Record number: 22, Textual support number: 1 DEF

A wind turbine blade whose global pitch angle does not change dynamically.  4, record 22, English, - fixed%20pitch%20blade

Record 22,  Textual support,  French

Record number: 22, Textual support number: 1 DEF

Pale d'une éolienne fixée de manière rigide au moyeu et qui est régulée soit par effacement du rotor ou par décrochage aérodynamique passif des pales.  4, record 22, French, - pale%20%C3%A0%20calage%20constant

Record 22,  Textual support,  Spanish

Record 23,  Textual support,  English

Record number: 23, Textual support number: 1 DEF

[Wind turbine] blade ... adjusted to operate at as near a constant rotational speed as possible, for wind speeds that go above a minimum (e.g., a cut-in value) and for varying output loads.  3, record 23, English, - variable%20pitch%20blade

Record number: 23, Textual support number: 1 CONT

Variable-pitch [wind turbines] have a mechanism that adjusts the angle of the blades relative to the wind, to maximize and control performance. A variable-pitch blade allows turbines to operate over a wider range of wind speeds.  4, record 23, English, - variable%20pitch%20blade

Record 23,  Textual support,  French

Record number: 23, Textual support number: 1 DEF

Pale d'éolienne dotée d'un mécanisme réglant la vitesse de rotation de celle-ci à un régime quasi constant, de manière à accommoder des vents de force supérieure à la vitesse de démarrage et des charges variables.  3, record 23, French, - pale%20%C3%A0%20calage%20variable

Record number: 23, Textual support number: 1 OBS

Les pales sont fixées sur le moyeu par des roulements à contact obliques, permettant la rotation de la pale autour de son axe longitudinal (calage variable).  4, record 23, French, - pale%20%C3%A0%20calage%20variable

Record number: 23, Textual support number: 2 OBS

Le calage de l'ensemble des 3 pales est réalisé de façon continue avec une précision de 1/3 de degré, permettant un positionnement précis des pales dans n'importe quelle vitesse de vent. Ce calage variable, effectué par le système hydraulique, permet le contrôle de la puissance et de la vitesse de rotation.  4, record 23, French, - pale%20%C3%A0%20calage%20variable

Record 23,  Textual support,  Spanish

Record 24,  Textual support,  English

Record number: 24, Textual support number: 1 DEF

The power control of a wind turbine using stall.  3, record 24, English, - stall%20regulation

Record number: 24, Textual support number: 1 CONT

The two principal means of limiting rotor power in high operational wind speeds-stall regulation and pitch regulation... Stall regulated machines require speed regulation. As wind speed increases, providing the rotor speed is held constant, flow angles over the blade sections... The blades become increasingly stalled and this limits power to acceptable levels without any additional active control. For this to work, the speed of the WT [wind turbine] rotor must be held essentially constant and this is achieved through the connection of the electric generator to the grid.  4, record 24, English, - stall%20regulation

Record 24,  Textual support,  French

Record number: 24, Textual support number: 1 DEF

[...] régulation par variation de calage de pale qui consiste à diminuer l'angle de calage des pales du rotor éolien, de manière à atteindre l'angle d'incidence correspondant au décrochage aérodynamique des pales.  3, record 24, French, - r%C3%A9gulation%20par%20d%C3%A9crochage%20a%C3%A9rodynamique

Record number: 24, Textual support number: 1 OBS

Il existe deux types de régulation par décrochage aérodynamique : la régulation active, qui s'opère à l'aide de systèmes hydrauliques ou de moteurs électriques, et la régulation passive, qui s'effectue de manière graduelle grâce au vrillage des pales.  3, record 24, French, - r%C3%A9gulation%20par%20d%C3%A9crochage%20a%C3%A9rodynamique

Record 24,  Textual support,  Spanish

Record 25,  Textual support,  English

Record number: 25, Textual support number: 1 CONT

Due to the allowable rapid yaw rates of wind turbines with blade cyclic pitch variation, the two conventional separate control systems-yaw control for wind direction following and blade feathering control for regulating rotor speed and torque-can be replaced by a system with only a single control variable, the rotor yaw angle.  1, record 25, English, - blade%20feathering%20control

Record 25,  Textual support,  French

Record number: 25, Textual support number: 1 OBS

La régulation de puissance par mise en drapeau consiste à obliger les pales à pivoter autour de leur axe mécanique de façon à réduire l’angle d’attaque, donc le C_z et enfin le couple moteur. Cette réduction de l’angle d’attaque est obtenue par augmentation du calage (angle que fait la corde du profil avec le plan de rotation de l’hélice) moyen des pales.  2, record 25, French, - syst%C3%A8me%20de%20r%C3%A9gulation%20de%20puissance%20par%20mise%20en%20drapeau

Record 25,  Textual support,  Spanish

Record 26,  Textual support,  English

Record number: 26, Textual support number: 1 DEF

A wind turbine blade regulation system that, when the machine reaches its rated power, and the generator is about to be overloaded, pitches the blades in the opposite direction from what a pitch controlled machine does, hence increasing the angle of attack of the rotor blades in order to make the blades go into a deeper stall, thus wasting the excess energy in the wind.  3, record 26, English, - active%20stall%20regulation

Record 26,  Textual support,  French

Record number: 26, Textual support number: 1 DEF

Système de régulation des pales d'une éolienne qui, lorsque celle-ci atteint sa puissance nominale et que la génératrice est sur le point d'être surchargée, fait pivoter les pales dans la direction opposée à celle dans laquelle une éolienne à pas variable l'aurait fait, ce qui a pour conséquence d'augmenter l'angle d'attaque des pales du rotor pour faire décrocher les pales encore plus, supprimant ainsi l'excès d'énergie du vent.  3, record 26, French, - r%C3%A9gulation%20active%20par%20d%C3%A9crochage%20a%C3%A9rodynamique

Record 26,  Textual support,  Spanish

Record 27,  Textual support,  English

Record number: 27, Textual support number: 1 CONT

A propeller pitch control controls the propeller blade angle. The lower setting of the engine requires adjustment of both the throttle and propeller pitch control.  2, record 27, English, - propeller%20pitch%20control

Record 27,  Textual support,  French

Record number: 27, Textual support number: 1 CONT

Commande de pas d'hélice : le calage détermine la traînée de l'hélice, donc le couple résistant qu'elle oppose. Cette commande permet d'afficher un régime de rotation.  2, record 27, French, - commande%20de%20pas%20d%27h%C3%A9lice

Record 27,  Textual support,  Spanish

Record 28,  Textual support,  English

Record number: 28, Textual support number: 1 CONT

In the case of a twin-engine aircraft, a configuration featuring one single propeller driven by two engines mounted side-by-side will eliminate any risk of yaw should one engine fail, and improve the aircraft’s handling when reverse pitch is engaged on landing.  2, record 28, English, - reverse%20pitch

Record number: 28, Textual support number: 1 OBS

The pitch with a negative blade angle.  3, record 28, English, - reverse%20pitch

Record number: 28, Textual support number: 2 OBS

reverse pitch: term officially approved by the International Civil Aviation Organization (ICAO).  4, record 28, English, - reverse%20pitch

Record 28,  Textual support,  French

Record number: 28, Textual support number: 1 OBS

Dans le cas d'un modèle bimoteur, la réalisation d'une configuration avec une seule hélice entraînée par deux propulseurs disposés côte à côte éliminera tout risque de lacet incontrôlé lors de panne éventuelle d'un moteur, et améliorera le comportement de l'avion à l'atterrissage au moment de l'inversion de pas.  4, record 28, French, - pas%20inverse

Record number: 28, Textual support number: 2 OBS

pas inverse : terme uniformisé par l'Organisation de l'aviation civile internationale (OACI).  5, record 28, French, - pas%20inverse

Record 28,  Textual support,  Spanish

Record number: 28, Textual support number: 1 OBS

paso inverso: término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI).  3, record 28, Spanish, - paso%20inverso

Record 29,  Textual support,  English

Record number: 29, Textual support number: 1 OBS

Reverse pitch is the propeller pitch setting for any blade angle used beyond zero pitch(e. g. the negative angle used for reverse thrust).  3, record 29, English, - pitch%20reversing

Record number: 29, Textual support number: 2 OBS

pitch reversing: term officially approved by the International Civil Aviation Organization (ICAO).  4, record 29, English, - pitch%20reversing

Record 29,  Textual support,  French

Record number: 29, Textual support number: 1 DEF

Passage d'une hélice au pas négatif (pas inverse) en vue de freiner l'avion au sol.  2, record 29, French, - inversion%20de%20pas

Record number: 29, Textual support number: 1 OBS

inversion de pas : terme uniformisé par l'Organisation de l'aviation civile internationale (OACI).  3, record 29, French, - inversion%20de%20pas

Record number: 29, Textual support number: 2 OBS

inversion de pas : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes.  3, record 29, French, - inversion%20de%20pas

Record 29,  Textual support,  Spanish

Record number: 29, Textual support number: 1 OBS

De una hélice  1, record 29, Spanish, - inversi%C3%B3n%20del%20paso

Record number: 29, Textual support number: 2 OBS

inversión del paso: término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI).  2, record 29, Spanish, - inversi%C3%B3n%20del%20paso

Record 30,  Textual support,  English

Record number: 30, Textual support number: 1 DEF

A blade pitch-control mechanism designed for 1930's battery-charging wind turbines that uses centrifugal force to act on the blades instead of heavy weights as on classic Watt governors, to change the blade pitch.  2, record 30, English, - blade%2Dactivated%20governor

Record 30,  Textual support,  French

Record number: 30, Textual support number: 1 DEF

Mécanisme de régulation du pas de pale d'une éolienne pour la recharge de batteries qui fait appel à la force centrifuge pour actionner les pales elles-mêmes plutôt qu'à des contre-poids comme pour un régulateur de Watt classique.  1, record 30, French, - r%C3%A9gulateur%20centrifuge%20activ%C3%A9%20par%20les%20pales

Record 30,  Textual support,  Spanish

Record 31,  Textual support,  English

Record number: 31, Textual support number: 1 OBS

"Feathering" a propeller means rotating the propeller blades about 90 degrees so each blade is streamlined with the wind, which gives minimum drag.  2, record 31, English, - feather%20the%20propeller

Record number: 31, Textual support number: 2 OBS

A feathering propeller can alter the pitch of the blades up to almost 90 degrees. That is, the blade pitch is changed so that they have their leading edge pointing right into the direction of flight, offering minimum resistance to the airflow. This mode allows the propeller rotation to be stopped, without adding excessive drag to the aircraft. Feather may be used to improve the performance of the aircraft after the failure of an engine, but more usually in light aircraft it is used in motor glider applications.  3, record 31, English, - feather%20the%20propeller

Record 31,  Textual support,  French

Record number: 31, Textual support number: 1 CONT

Le calage des pales peut être augmenté ou diminué pour adapter l'incidence de la pale à la vitesse de vol, pour fournir plus de force à vitesse faible (en montée), ou moins de force à plus grande vitesse (en croisière). En cas de panne du moteur, les pales peuvent être orientées de manière à offrir la moindre résistance au vent et ne pas créer de traînée. On parle alors de mettre l'hélice en drapeau. Pour un pas donné, le calage angulaire du profil va en décroissant en s'éloignant du centre, car la vitesse locale augmente avec le rayon, d'où l'aspect vrillé de l'hélice.  2, record 31, French, - mettre%20l%27h%C3%A9lice%20en%20drapeau

Record number: 31, Textual support number: 1 OBS

mettre l'hélice en drapeau : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance.  3, record 31, French, - mettre%20l%27h%C3%A9lice%20en%20drapeau

Record 31,  Textual support,  Spanish

Record 32,  Textual support,  English

Record number: 32, Textual support number: 1 CONT

Position indicating means to indicate to the flight crew when the propeller blade angle is below the flight low pitch position, for each propeller.  2, record 32, English, - flight%20fine%20pitch

Record 32,  Textual support,  French

Record number: 32, Textual support number: 1 CONT

Un moyen d'indication de position pour indiquer à l'équipage de vol que l'angle de pale d'hélice est inférieur à la position petit pas de vol pour chaque hélice.  2, record 32, French, - petit%20pas%20de%20vol

Record 32,  Textual support,  Spanish

Record 33,  Textual support,  English

Record number: 33, Textual support number: 1 DEF

A variation of blade angle or pitch from root to tip.  1, record 33, English, - blade%20twist

Record number: 33, Textual support number: 1 OBS

The pitch is greatest at the root and smallest at the tip, where the blade is parallel, or nearly so, to its direction of travel.  1, record 33, English, - blade%20twist

Record 33,  Textual support,  French

Record number: 33, Textual support number: 1 DEF

Variation de l'angle ou du pas de pale, du pied à l'extrémité.  3, record 33, French, - vrillage%20de%20la%20pale

Record number: 33, Textual support number: 1 OBS

[...] il faut vriller les pales de façon à avoir un angle d'incidence des filets d'air optimal pour chacune des sections de la pale.  4, record 33, French, - vrillage%20de%20la%20pale

Record 33,  Textual support,  Spanish

Record 34,  Textual support,  English

Record number: 34, Textual support number: 1 DEF

A method of controlling rotor torque and power by changing blade pitch.  1, record 34, English, - variable%20pitch

Record 34,  Textual support,  French

Record number: 34, Textual support number: 1 DEF

Système de régulation d'une éolienne à pas variable qui consiste à faire varier l'angle d'inclinaison des pales afin de maintenir constante la fréquence de rotation du rotor.  2, record 34, French, - r%C3%A9gulation%20par%20variation%20de%20calage%20de%20pales

Record 34,  Textual support,  Spanish

Record 35,  Textual support,  English

Record number: 35, Textual support number: 1 DEF

A wind turbine rotor that varies blade pitch to regulate lift and, hence, torque and power.  1, record 35, English, - pitch%2Dregulated%20rotor

Record 35,  Textual support,  French

Record number: 35, Textual support number: 1 DEF

Rotor d'éolienne qui permet de varier le pas des pales afin de contrôler la portance et conséquemment, le couple et la puissance.  2, record 35, French, - rotor%20%C3%A0%20pas%20variable

Record 35,  Textual support,  Spanish

Record 36,  Textual support,  English

Record number: 36, Textual support number: 1 DEF

In contrast to a variable-pitch wind turbine, a rotor where the blades are fixed in pitch during operation. The blade pitch may be adjustable, but is not varied during operation.  1, record 36, English, - fixed%2Dpitch%20rotor

Record 36,  Textual support,  French

Record number: 36, Textual support number: 1 DEF

À l'opposé d'une éolienne à pas variable, rotor dont le pas est régulier. Le pas de pale peut être modifié mais il ne variera pas en cours de fonctionnement.  2, record 36, French, - rotor%20%C3%A0%20pas%20fixe

Record 36,  Textual support,  Spanish

Record 37,  Textual support,  English

Record number: 37, Textual support number: 1 DEF

In contrast to full-span pitch control, where the rotation of a wind turbine blade about its longitudinal axis acts along its entire length, [a system where] only the outboard sections of the blade are used.  2, record 37, English, - partial%2Dspan%20pitch%20control

Record number: 37, Textual support number: 1 OBS

The inboard sections remain fixed in pitch.  2, record 37, English, - partial%2Dspan%20pitch%20control

Record 37,  Textual support,  French

Record number: 37, Textual support number: 1 DEF

À l'opposé du pas variable à rotation complète, où toute la pale d'une éolienne est sollicitée autour de son axe longitudinal, système qui ne fait appel qu'aux parties extérieures (arrière) de la pale, les parties intérieures demeurant fixes.  1, record 37, French, - commande%20de%20pas%20variable%20%C3%A0%20rotation%20partielle

Record number: 37, Textual support number: 1 OBS

Équivalent formulé après consultation du groupe ATI - Éolien division de Audace Technologies Inc. de Rimouski.  1, record 37, French, - commande%20de%20pas%20variable%20%C3%A0%20rotation%20partielle

Record 37,  Textual support,  Spanish

Record 38,  Textual support,  English

Record number: 38, Textual support number: 1 OBS

stall regulation. The blades on a stall-regulated-WT [wind turbine] cannot be pitched. To achieve control of power captured above rated wind speed, the blades are carefully designed so that they progressively stall starting at the blade root and moving out towards the tip as the wind speed increases further. Stall-regulated WTs will respond much more quickly to gusts than pitch-regulated WTs(where mecanic pitch adjustments take finite amounts of time to effect), improving the power quality output by the WT above rated wind speed.  1, record 38, English, - stall%2Dregulated%20blade

Record 38,  Textual support,  French

Record number: 38, Textual support number: 1 OBS

régulation par décrochage aérodynamique : Type de régulation par variation de calage de pale qui consiste à diminuer l'angle de calage des pales du rotor éolien, de manière à atteindre l'angle d'incidence correspondant au décrochage aérodynamique des pales.  2, record 38, French, - pale%20%C3%A0%20r%C3%A9gulation%20par%20d%C3%A9crochage%20a%C3%A9rodynamique

Record 38,  Textual support,  Spanish

Record 39,  Textual support,  English

Record number: 39, Textual support number: 1 DEF

The mechanical axis formed by the wind turbine pitch articulation system(when it is supplied with the rotor blade).  2, record 39, English, - blade%20pitch%20axis

Record 39,  Textual support,  French

Record number: 39, Textual support number: 1 DEF

Axe mécanique du dispositif d'articulation de pas (si la pale [du rotor d'éolienne] en est munie).  1, record 39, French, - axe%20de%20pas

Record 39,  Textual support,  Spanish

Record 40,  Textual support,  English

Record number: 40, Textual support number: 1 CONT

The pitch shaft on which the blades are mounted is less stiff than the inboard sections of the blade, and most of the flap deflection occurs in this region.  1, record 40, English, - pitch%20shaft

Record 40,  Textual support,  French

Record number: 40, Textual support number: 1 DEF

[Dans une turbine éolienne] arbre [qui] relie le vérin au plateau de calage placé à l'intérieur du moyeu.  1, record 40, French, - arbre%20de%20calage

Record number: 40, Textual support number: 1 OBS

Cet arbre passe à travers l'arbre primaire [arbre creux] et le multiplicateur.  1, record 40, French, - arbre%20de%20calage

Record 40,  Textual support,  Spanish

Record 41,  Textual support,  English

Record 41,  Textual support,  French

Record number: 41, Textual support number: 1 DEF

Système de régulation d'une éolienne à pas variable selon lequel la variation du calage des pales est régulée par l'actionnement automatique d'un vérin à partir d'une certaine fréquence de rotation du rotor.  1, record 41, French, - r%C3%A9gulation%20par%20asservissement%20de%20calage

Record 41,  Textual support,  Spanish

Record 42,  Textual support,  English

Record number: 42, Textual support number: 1 CONT

The bolt which goes through the "pitch horn" also goes through a pitch change rod end... which has one of those spherical bearings in it. This allows the rod end to push and pull on the pitch horn, thereby changing the pitch of the blade.... The other end of the rod end... is attached to the pitch change yoke.... The pitch change rod is actually a shaft which goes through the hollow shaft [on which] the tail rotor is mounted on...  1, record 42, English, - pitch%20change%20rod

Record 42,  Textual support,  French

Record number: 42, Textual support number: 1 CONT

Pour ce qui est de la tête du rotor principal, désaccoupler les biellettes et amortisseurs de changement de pas, et vérifier que les articulations de battement, de traînée ainsi que les manchons de pale se déplacent librement, sans grippage ou sans rugosité.  1, record 42, French, - biellette%20de%20changement%20de%20pas

Record 42,  Textual support,  Spanish

Record 43,  Textual support,  English

Record number: 43, Textual support number: 1 CONT

The purpose of the pitch horn is to give the feathering pitch change mechanism(cyclic/swashplate) a place to attach to the blade. By sticking out from the blade, the pitch horn works as a lever, decreasing the force it takes to change the angle of the blade.  3, record 43, English, - pitch%20horn

Record number: 43, Textual support number: 1 OBS

pitch horn: term officialized by the Aeronautical Terms Standardization Committee (ATSC) - Helicopters.  4, record 43, English, - pitch%20horn

Record number: 43, Textual support number: 1 PHR

Blade, rotor blade pitch horn.  5, record 43, English, - pitch%20horn

Record 43,  Textual support,  French

Record number: 43, Textual support number: 1 OBS

guignol de pas : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Hélicoptères.  2, record 43, French, - guignol%20de%20pas

Record 43,  Textual support,  Spanish

Record 44,  Textual support,  English

Record number: 44, Textual support number: 1 CONT

For example, a one ounce imbalance 2 inches from the rotation axis causing a force of 21 lbs. But a Sensenich fixed pitch propeller on a small aircraft, such as the Piper Pacer, generates 13 tons of centrifugal stress per blade at its rated rpm of 2600.  1, record 44, English, - centrifugal%20stress

Record 44,  Textual support,  French

Record number: 44, Textual support number: 1 CONT

Hypothèse : On va tout d'abord simplifier la géométrie de l'hélice pour ramener son volume à un parallélépipède aux dimensions suivantes 4x300x2500. On peut ensuite évaluer les différentes contraintes s'appliquant à la pale. On distingue notamment la contrainte due à la force aérodynamique et la contrainte due à la force centrifuge.  1, record 44, French, - contrainte%20due%20%C3%A0%20la%20force%20centrifuge

Record 44,  Textual support,  Spanish

Record 45,  Textual support,  English

Record number: 45, Textual support number: 1 CONT

A blade out of pitch or for another reason generating more or less lift than the others on the rotor will cause an apparent "out of balance. "  1, record 45, English, - blade%20out%2Dof%2Dpitch

Record 45,  Textual support,  French

Record 45,  Textual support,  Spanish

Record 46,  Textual support,  English

Record number: 46, Textual support number: 1 DEF

The ability of a blade to turn on its longitudinal axis changing the pitch angle.  1, record 46, English, - feathering

Record 46,  Textual support,  French

Record number: 46, Textual support number: 1 DEF

Mouvement de rotation alterné d'une pale sur son axe longitudinal, par lequel le pas varie constamment.  1, record 46, French, - oscillation

Record 46,  Textual support,  Spanish

Record 47,  Textual support,  English

Record number: 47, Textual support number: 1 CONT

Connectigon and Symetrigon functions : These enable very rapid and editable construction of symmetrical shapes. A circular-saw blade for example, is made by selecting the number of teeth required, then one click for the centre, second click to position the tooth tip, and a third to position the tooth depth. Once made, the nodes can be swung about for long or short teeth, left or right pitch etc.  2, record 47, English, - symetrigon

Record 47,  Textual support,  French

Record number: 47, Textual support number: 1 DEF

Outil offert sur un logiciel graphique, qui permet le dessin automatique de formes symétriques.  2, record 47, French, - sym%C3%A9trigone

Record 47,  Textual support,  Spanish

Record 48,  Textual support,  English

Record number: 48, Textual support number: 1 CONT

... the same swash plate is moved up or down to change blade pitch in order to climb or descend.  2, record 48, English, - blade%20pitch

Record number: 48, Textual support number: 1 OBS

blade pitch : term officially approved by the Aeronautical. Term Standardization Committee(CUTA)-Helicopters.  3, record 48, English, - blade%20pitch

Record 48,  Textual support,  French

Record number: 48, Textual support number: 1 CONT

[...] cette commande agit sur le pas des pales, diminuant ce pas quand elles passent vers l'avant par rapport à l'axe du fuselage.  3, record 48, French, - pas%20de%20la%20pale

Record number: 48, Textual support number: 1 OBS

pas de la pale : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - hélicoptères.  4, record 48, French, - pas%20de%20la%20pale

Record 48,  Textual support,  Spanish

Record 49,  Textual support,  English

Record number: 49, Textual support number: 1 CONT

The propeller governor incorporates an adjustable stop, which limits the maximum speed at which the engine can run. As soon as the takeoff r. p. m. is reached, the propeller moves off the low-pitch stop. The larger propeller blade angle increases the load on the engine, thus maintaining the prescribed maximum engine speed.  3, record 49, English, - flight%20fine%20pitch%20stop

Record number: 49, Textual support number: 1 OBS

[The Allison A6441FN-606 and 606A turbopropeller has the two following features :] Mechanical Low-Pitch Stop(MLPS). The mechanical low-pitch stop is designed to prevent the inadvertent entry of the blades into the beta range during flight in the event of propeller-control-system malfunction. The MLPS with a setting of 18. 25 to 18. 5 ° "backs up" the normal hydraulic low-pitch stops. Hydraulic Low-Pitch Stop(HLPS). The hydraulic low-pitch stop is designed to prevent the propeller hydraulic governor from decreasing the blade angle into the beta range during governing operation. The HLPS has a setting of 20 ° blade angle from 30 to 68 ° coordinator. From 68 to 90 ° coordinator HLPS is scheduled from 20 to approximately 31. 5 ° blade angle. This scheduling is called beta follow-up and means that the propeller pitch cannot decrease below 20 or 30 ° during constant-speed operation controlled by the governor.  4, record 49, English, - flight%20fine%20pitch%20stop

Record 49,  Textual support,  French

Record number: 49, Textual support number: 1 CONT

Pour protéger l'avion et le moteur, il est nécessaire de prévoir une butée à l'intérieur du mécanisme [de changement de pas] qui interdit de descendre au-dessous d'une certaine valeur. La position de pas minimum pour le vol est dite : "butée petit pas vol".  3, record 49, French, - but%C3%A9e%20petit%20pas%20vol

Record number: 49, Textual support number: 2 CONT

Effacement de la butée Petit pas vol (P.P.V.) pour permettre le démarrage et la mise en puissance du moteur et pour obtenir un freinage aérodynamique à l'atterrissage (il faut amener l'hélice en petit pas sol (...) Mise en place de la butée PPV à l'affichage de la puissance de décollage (...)  4, record 49, French, - but%C3%A9e%20petit%20pas%20vol

Record number: 49, Textual support number: 3 CONT

L'hélice est à pas variable et commande hydraulique à double effet; elle est tractive à droite et possède trois butées mécaniques : les butées "Drapeau" [butée drapeau] et "Réversion" [butée pas nul] limitent la plage de débattement angulaire des pales; la troisième, escamotable, constitue un dispositif de sécurité vers la position en pas nul. L'hélice comporte deux sécurités : - l'une "Butée Petit Pas Vol" constituée par la butée mécanique escamotable citée ci-dessus; elle est à déverrouillage hydraulique, et l'hélice ne la franchit qu'après impact au sol (...)  5, record 49, French, - but%C3%A9e%20petit%20pas%20vol

Record 49,  Textual support,  Spanish

Record 50,  Textual support,  English

Record number: 50, Textual support number: 1 CONT

The X-wing has emerged from the circulation controlled rotor(CCR) in which a hollow blade of roughly oval aerofoil section, that is, without a real lifting profile at all, can be made to lift effectively by blowing a layer of air through a slot and across the curved Coanda surface which forms the trailing-edge. While this in itself produces lift, the air jet can be so modulated as the rotor turns that it has the same effect as the cyclic pitch changing of the normal rotor. Finally, a further jet can be blown through a second slot near the leading-edge of the blade so that it restores the lost lift of the retreating blade. This fore-and-aft blowing is the key to the stopped-rotor X-wing.  1, record 50, English, - circulation%20controlled%20rotor

Record 50,  Textual support,  French

Record 50,  Textual support,  Spanish

Record 51,  Textual support,  English

Record number: 51, Textual support number: 1 OBS

the pitch is so closely related to blade angle that the first word is often used for the second, especially when referring to propeller settings.  3, record 51, English, - low%20pitch

Record number: 51, Textual support number: 2 OBS

Term officialized by the ATSC - Helicopters.  4, record 51, English, - low%20pitch

Record 51,  Textual support,  French

Record number: 51, Textual support number: 1 OBS

Terme uniformisé par le CUTA - Hélicoptères.  2, record 51, French, - petit%20pas

Record 51,  Textual support,  Spanish

Record number: 51, Textual support number: 1 OBS

de una hélice.  1, record 51, Spanish, - paso%20corto

Record 52,  Textual support,  English

Record number: 52, Textual support number: 1 OBS

Graders terminology.  2, record 52, English, - blade%20pitch%20cylinder

Record number: 52, Textual support number: 2 OBS

Term standardized by ISO.  2, record 52, English, - blade%20pitch%20cylinder

Record 52,  Textual support,  French

Record number: 52, Textual support number: 1 OBS

Terminologie des niveleuses.  2, record 52, French, - v%C3%A9rin%20d%27inclinaison%20de%20la%20lame

Record number: 52, Textual support number: 2 OBS

Terme normalisé par l'ISO.  2, record 52, French, - v%C3%A9rin%20d%27inclinaison%20de%20la%20lame

Record 52,  Textual support,  Spanish

Record 53,  Textual support,  English

Record number: 53, Textual support number: 1 OBS

Graders terminology.  2, record 53, English, - blade%20pitch%20bracket

Record number: 53, Textual support number: 2 OBS

Term standardized by ISO.  2, record 53, English, - blade%20pitch%20bracket

Record 53,  Textual support,  French

Record number: 53, Textual support number: 1 OBS

Terminologie des niveleuses.  2, record 53, French, - tirant%20d%27inclinaison%20de%20la%20lame

Record number: 53, Textual support number: 2 OBS

Terme normalisé par l'ISO.  2, record 53, French, - tirant%20d%27inclinaison%20de%20la%20lame