- Gears or screw threads which have wide gaps between each tooth or thread.
Dictionary of automotive terms. 2015.
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coarse pitch — Making a large angle between the blade chord and the plane of the propeller disc, thus producing a high forward speed for a given rotational speed. Unlike at takeoff and landing, when forward air speeds are low and the propeller pitch is fine,… … Aviation dictionary
coarse-pitch stop — A mechanical stop to prevent an overcoarse setting of the propeller pitch, as this is inefficient. The stop is removed when feathering … Aviation dictionary
pitch —  The back and forth rocking motion of a vehicle which compresses the front springs and extends the rear springs so that the nose of the vehicle is down while the tail is up. Then the action reverses so that the nose is up and the tail is down… … Dictionary of automotive terms
pitch apple — noun a common tropical American clusia having solitary white or rose flowers • Syn: ↑strangler fig, ↑Clusia rosea, ↑Clusia major • Hypernyms: ↑strangler, ↑strangler tree • Member Holonyms: ↑ … Useful english 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
two-pitch propeller — A propeller that has two pitches: fine pitch for takeoff and landing and coarse pitch for flight in the air. The pitch control is exercised from the cockpit … Aviation dictionary
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
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
Screw thread — Internal and external threads illustrated using a common nut and bolt. The screw and nut pair can be used to convert torque into linear force. As the screw (or bolt) is rotated, the screw moves along its axis through the fixed nut, or the non… … Wikipedia
ISO metric screw thread — The ISO metric screw threads are the world wide most commonly used type of general purpose screw thread. They were one of the first international standards agreed when the International Organization for Standardization was set up in… … Wikipedia