blade pitch angle
- The angle between the chord of the blade and the reference line on the rotor hub.
Aviation dictionary. 2014.
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Blade pitch — or simply pitch refers to turning the angle of attack of the blades of a propeller into or out of the wind to control the production or absorption of power. Wind turbines use this to adjust the rotation speed and the generated power. A propeller… … Wikipedia
pitch angle — i. The angle between the chord line of a propeller blade and the plane of rotation. ii. The angle between the rotor plane and the chord line. iii. The angle between the chord line and a line that is horizontal or parallel to the surface of the… … Aviation dictionary
propeller blade pitch — The distance a propeller will advance if there is no slip. See blade pitch angle … Aviation dictionary
Pitch — may refer to:In music: * Pitch (music), the property of a sound or musical tone measured by its perceived frequency ** Range (music), the distance from the lowest to the highest pitch a musical instrument can play ** Vocal range, the distance… … Wikipedia
blade twist — i. The undesirable variation in pitch from root to tip caused by aerodynamic loading. ii. The twist built into a propeller or rotor blade. In the case of a propeller, it is to ensure that the pitch angle at the root is greater than the tip. In… … 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 — 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 setting — The propeller blade setting as determined by the blade angle measured in a manner, and at a radius, specified by the instruction manual of the propeller … Aviation dictionary
high pitch — The pitch of a propeller blade set at a high angle other than the feathering angle. A propeller blade at a high pitch angle takes a greater bite of air than one at a low pitch. Consequently, a high pitch produces more thrust at a given RPM than a … 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