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constant pitch

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  • Constant speed propeller — Cutaway constant speed propeller hub …   Wikipedia

  • Pitch surfaces — are the imaginary planes, cylinders, or cones that roll together without slipping. For a constant velocity ratio, the pitch cylinders and pitch cones are circular.1 Notes 1. ANSI/AGMA 1012 G05 , Gear Nomenclature, Definition of Terms with Symbols …   Wikipedia

  • Constant-force spring — A constant force spring is a spring for which the force it exerts over its range of motion is a constant. That is, it does not obey Hooke s law. Generally constant force springs are constructed as a rolled ribbon of spring steel such that the… …   Wikipedia

  • Constant Speed Drive — Mechanism CSDs are mainly used on airliner and military aircraft jet engines to drive the alternating current (AC) electrical generator. In order to produce the proper voltage at a constant AC frequency, usually 3 phase 115 VAC at 400 Hz, a… …   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

  • constant-speed unit — An engine driven unit used for variable pitch propellers. A CSU automatically permits adjustment of the pitch for varying the speed and power. This allows the propeller to operate more efficiently at any selected combination of RPM, manifold… …   Aviation dictionary

  • constant-speed propeller — A propeller in which the pitch is adjusted automatically, so that the propeller revolves at a given rate dictated by the pilot and remains at that rate irrespective of maneuvers or throttle position. The pitch of the propeller is altered suitably …   Aviation dictionary

  • Pitch-Propeller — Ein Verstellpropeller Verstellpropeller sind Propeller, bei denen der Einstellwinkel der Propellerblätter variabel ist, wodurch der Anstellwinkel der Blätter an verschiedene Betriebssituationen angepasst werden kann. Verstellpropeller kommen als… …   Deutsch Wikipedia

  • pitch pointing — An advanced flight control system that gives an ability to vary the pitch and thus the angle of attack at a constant flight path angle …   Aviation dictionary

  • Controllable pitch propeller — A controllable pitch propeller (CPP) or variable pitch propeller is a type of propeller with blades that can be rotated around their long axis to change their pitch. If the pitch can be set to negative values, the reversible propeller can also… …   Wikipedia

  • Concert pitch — refers to the pitch reference to which a group of musical instruments are tuned for a performance. Concert pitch may vary from ensemble to ensemble, and has varied widely over musical history. This is also referred to as the reference frequency… …   Wikipedia

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