pitch thrust

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• Thrust reversal — Thrust reversal, also called reverse thrust, is the temporary diversion of an aircraft engine s exhaust or changing of propeller pitch so that the thrust produced is directed forward, rather than aft. This acts against the forward travel of the… …   Wikipedia

• Thrust — is a reaction force described quantitatively by Newton s Second and Third Laws. When a system expels or accelerates mass in one direction the accelerated mass will cause a proportional but opposite force on that system.ExamplesA fixed wing… …   Wikipedia

• Pitch — Pitch, v. t. [OE. picchen; akin to E. pick, pike.] 1. To throw, generally with a definite aim or purpose; to cast; to hurl; to toss; as, to pitch quoits; to pitch hay; to pitch a ball. [1913 Webster] 2. To thrust or plant in the ground, as stakes …   The Collaborative International Dictionary of English

• thrust — [n1] point of communication burden, core, effect, gist, meaning, meat*, pith*, purport, sense, short, substance, upshot; concept 682 thrust [n2] forward movement advance, blitz, boost, drive, impetus, impulsion, jump, lunge, momentum, onset,… …   New thesaurus

• pitch|fork — «PIHCH FRK», noun, verb. –n. a large fork with a long wooden handle, used in lifting and throwing hay or straw; hayfork. A pitchfork has from two to six long, slightly curved steel prongs or tines. –v.t. 1. to lift and throw with or as if with a… …   Useful english dictionary

• Thrust vectoring — Infobox Aviation name = Thrust vectoring caption = The F 18 HARV, X 31, and F 16 MATV in flightThrust vectoring is the ability of an aircraft or other vehicle to direct the thrust from its main engine(s) in a direction other than parallel to the… …   Wikipedia

• pitch of a propeller — The distance a propeller would advance in one rotation if it were not creating thrust. Also called experimental mean pitch or zero thrust pitch. See pitch (ii) or experimental mean pitch …   Aviation dictionary

• pitch — pitch1 pitchable, adj. /pich/, v.t. 1. to erect or set up (a tent, camp, or the like). 2. to put, set, or plant in a fixed or definite place or position. 3. to throw, fling, hurl, or toss. 4. Baseball. a. to deliver or serve (the ball) to the… …   Universalium

• thrust reversal — The method and means of reducing the landing run of an aircraft without excessive use of wheel brakes or any use of braking or tail parachutes. On piston and turboprop engines, it can be done by reversing the propeller pitch. In turbojet engines …   Aviation dictionary

• pitch — I. /pɪtʃ / (say pich) verb (t) 1. to set up or erect (a tent, camp, etc.). 2. to put, set, or plant in a fixed or definite place or position (as cricket stumps, etc.). 3. to set or aim at a certain point, degree, level, etc.: he pitched his hopes …  

• pitch — I. noun Etymology: Middle English pich, from Old English pic, from Latin pic , pix; akin to Greek pissa pitch, Old Church Slavic pĭcĭlŭ Date: before 12th century 1. a black or dark viscous substance obtained as a residue in the distillation of… …   New Collegiate Dictionary