lead angle

lead angle
i. The angle by which an allowance is made for the radius of turn to enable the aircraft to role out on the desired track. The aircraft must commence its turn to the track before reaching it; otherwise, the aircraft will overshoot the desired track. This lead angle depends on the true air speed (TAS), distance, wind velocity, and aircraft rate of turn. In a given time out, its value is constant irrespective of the TAS.
ii. The angular difference between the line of sight and an aiming line. Also called the angle of lead.

Aviation dictionary. 2014.

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  • Lead angle — Lead Lead, n. 1. The act of leading or conducting; guidance; direction; as, to take the lead; to be under the lead of another. [1913 Webster] At the time I speak of, and having a momentary lead, . . . I am sure I did my country important service …   The Collaborative International Dictionary of English

  • Lead angle — Lead angle. См. Ведущий угол. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

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  • lead angle — ˈlēd noun Etymology: lead (II) : the angle between the tangent to a helix or screw thread and the plane perpendicular to the helical axis …   Useful english dictionary

  • Lead — Lead, n. 1. The act of leading or conducting; guidance; direction; as, to take the lead; to be under the lead of another. [1913 Webster] At the time I speak of, and having a momentary lead, . . . I am sure I did my country important service.… …   The Collaborative International Dictionary of English

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  • Lead (engineering) — Lead is the axial advance of a helix for one complete turn, as in the threads of cylindrical worms and the teeth of helical gears.1Lead angle is the angle between any helix and a plane of rotation. It is the complement of the helix angle, and is… …   Wikipedia

  • angle d'avance — pasitikties kampas statusas T sritis radioelektronika atitikmenys: angl. advance angle; lead angle vok. Voreilungswinkel, m rus. угол опережения, m; угол упреждения, m pranc. angle d avance, m …   Radioelektronikos terminų žodynas

  • Lead(II) chloride — Lead(II) chloride …   Wikipedia

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