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Sailplane
Глоссарий авиационных терминов |
- An unpowered, soaring aircraft capable of maintaining level flight for long periods of time after release from tow and of gaining altitude using wind currents, as opposed to a glider.
- A rotatable, horizontal control surface, located on a submarine’s sail and used to help it rise or dive.
- An unpowered fixed-wing heavier-than-air craft. (also glider)
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Horizontal, английский
- Горизонталь; горизонтальный
- Горизонталь; горизонтальный 287
- At right angles to the direction of gravity; on the level; parallel to the horizon; neither vertical nor inclined.
- A direction parallel to the horizon, or what is commonly termed lying flat. one of the greatest inconveniences navigators have to struggle with is the frequent want of a distinct sight of the horizon. to obviate this a horizontal spinning speculum was adopted by mr. lerson, who was lost in the victory man-of-war, in which ship he was sent out to make trial of his instrument. this was afterwards improved by smeaton, and consists of a well-polished metal speculum about 3-1/2 inches in diameter, inclosed within a circular rim of brass, so fitted that the centre of gravity of the whole shall fall near the point on which it spins. this is the end of a steel axis running through the centre of the speculum, above which it finishes in a square for the convenience of fitting a
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Scramjet, английский
Acronym for supersonic combustion ramjet, in which combustion occurs at supersonic air velocities through the engine.
Rotorcraft, английский
- A heavier-than-air aircraft that depends principally for its support in flight on the lift generated by one or more rotors. includes helicopters and gyroplanes.
- Винтокрылый ла; вертолет
- An aircraft that derives its lift from rotating lifting surfaces (usually called blades)
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