propeller pitch

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• propeller pitch — The acute angle between the chord of a propeller and a plane perpendicular to the axis of rotation. The three main pitch angles are coarse, fine, and feathered …   Aviation dictionary

• Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …   Wikipedia

• pitch control — i. That giving manual control of the propeller pitch as is done in a constant speed unit where datum is moved manually. In a variable pitch propeller, the act of changing the pitch of the propeller. The pitch changes are done through pitch… …   Aviation dictionary

• pitch — I n. high pressure sales talk (colloq.) 1) to deliver a pitch 2) a sales pitch blade angle 3) a propeller pitch 4) reverse pitch intensity 5) a fever; high; low pitch (to reach a fever pitch) throw of a baseball (esp. AE) …   Combinatory dictionary

• pitch — i. The rotation of an aircraft about its lateral axis. ii. The distance a propeller will advance in one revolution if there is no slip. Also called a propeller pitch. iii. The angular setting of a helicopter main or tail rotor blade relative to… …   Aviation dictionary

• propeller governor — A device that keeps the propeller speed constant irrespective of the forward speed and power. The governor is usually centrifugal and keeps the shuttle valve oscillating about the null position feeding oil to change the propeller pitch and thus… …   Aviation dictionary

• pitch — pitch1 [pich] n. [ME pich < OE pic < L pix (gen. picis) < IE base * pi , to be fat > FAT] 1. a black, sticky substance formed in the distillation of coal tar, wood tar, petroleum, etc. and used for waterproofing, roofing, pavements,… …   English World dictionary

• Pitch — Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with (anything)}, to… …   The Collaborative International Dictionary of English

• Pitch and toss — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… …   The Collaborative International Dictionary of English

• Pitch chain — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… …   The Collaborative International Dictionary of English

• Pitch circle — Pitch Pitch, n. 1. A throw; a toss; a cast, as of something from the hand; as, a good pitch in quoits. [1913 Webster] {Pitch and toss}, a game played by tossing up a coin, and calling Heads or tails; hence: {To play pitch and toss with… …   The Collaborative International Dictionary of English