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GYRO STEERING [2 records]
Record 1 - internal organization data 2002-07-16
Record 1, English
Record 1, Subject field(s)
- Astrophysics and Cosmography
- Navigation Instruments
- Aircraft Piloting and Navigation
Record 1, Main entry term, English
- Earth convergency
1, record 1, English, Earth%20convergency
correct
Record 1, Abbreviations, English
- EC 2, record 1, English, EC
correct
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
From 1954-56 Greenaway served with the USAF Strategic Air Command on many arctic Flights aboard B47 and B52 aircraft. At this time he worked on gyro steering techniques and developing the Earth Convergency Grid which was put to civil use by Scandinavian Airline System on their trans polar flights. 3, record 1, English, - Earth%20convergency
Record number: 1, Textual support number: 2 CONT
RTW [residual transport wander] is the difference between Earth convergency (EC) and map convergency (MC), however it is expressed as a rate since the error depends also upon the vehicle velocity. Therefore the average RTW rate is a function of earth convergency, map convergency and elapsed time. 2, record 1, English, - Earth%20convergency
Record 1, French
Record 1, Domaine(s)
- Astrophysique et cosmographie
- Instruments de navigation
- Pilotage et navigation aérienne
Record 1, Main entry term, French
- convergence terrestre
1, record 1, French, convergence%20terrestre
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- convergence de la Terre 2, record 1, French, convergence%20de%20la%20Terre
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La déviation apparente résiduelle (R.T.W.) est la différence entre la convergence de la Terre et la convergence sur la carte; cependant elle est exprimée en taux, puisque cette erreur dépend aussi de la vitesse du véhicule. Alors le taux moyen de la déviation apparente résiduelle dépend de la convergence de la Terre, la convergence sur la carte et aussi du temps écoulé. 2, record 1, French, - convergence%20terrestre
Record number: 1, Textual support number: 2 CONT
Sur une carte, on a relevé au point A une inclinaison grille de 22,5° et au point B une inclinaison grille de 5,5°. Entre ces deux points la convergence terrestre est de 19°. 1, record 1, French, - convergence%20terrestre
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2001-06-22
Record 2, English
Record 2, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 2, Main entry term, English
- gyroscopic characteristic
1, record 2, English, gyroscopic%20characteristic
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Any spinning object posesses gyroscopic characteristics. The central mechanism of the gyroscope is a wheel similar to a bicycle wheel. It’s outer rim has a heavy mass. It rotates at high speed on very low friction bearings. When it is rotating normally, it resists changes in direction. The gyroscope exhibits two predominant characteristics. Rigidity in space. Precession. 2, record 2, English, - gyroscopic%20characteristic
Record number: 2, Textual support number: 2 CONT
The gyro has been applied as a controller in the steering systems of ships, planes, and torpedos. In these applications, the important gyroscopic characteristic being used is rigidity in space, i. e. the spinning gyroscope maintains it orientation in space. 3, record 2, English, - gyroscopic%20characteristic
Record 2, Key term(s)
- gyroscopic characteristics
Record 2, French
Record 2, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 2, Main entry term, French
- propriété gyroscopique
1, record 2, French, propri%C3%A9t%C3%A9%20gyroscopique
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
De façon générale, les gyrovibrants sont des systèmes mécaniques dont certains modes de vibration présentent des propriétés de type gyroscopique. Dans le travail en cours, on s'intéresse plus particulièrement aux gyrovibrants dont le système mécanique sous-jacent est constitué par une coque mince. [...] Plus spécifiquement, les objectifs sont de 1.Mieux comprendre les phénomènes mécaniques qui sont à la base des propriétés gyroscopiques des gyrovibrants en général, et des coques résonnantes en particulier; [...] 2, record 2, French, - propri%C3%A9t%C3%A9%20gyroscopique
Record 2, Key term(s)
- propriétés gyroscopiques
Record 2, Spanish
Record 2, Textual support, Spanish
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