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单词 adjustable pitch
释义

> as lemmas

adjustable pitch
adjustable pitch n. a pitch of a propeller or screw which can be adjusted when it is at rest; frequently attributive.
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society > travel > travel by water > vessel, ship, or boat > equipment of vessel > propulsion machinery > [noun] > propeller > specific attributes of propellers
pitch1853
adjustable pitch1858
slip ratio1878
society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > means of propulsion > [noun] > aircraft engine > propeller > pitch
pitch angle1902
adjustable pitch1909
pitch control1930
pitch1944
society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > means of propulsion > [adjective] > types of propeller
feathering1909
reversible-pitch1919
adjustable pitch1934
coaxial1934
1858 Abridgements Specif. Marine Propulsion Index 322/1 Blades with adjustable pitch.
1909 Car 5 May 451/1 Look to your propeller which..has an adjustable pitch.
1934 Flight 15 Feb. 156/1 The airscrews are of the three-bladed adjustable-pitch type.
1961 M. G. Say Electr. Engineer's Ref. Bk. (ed. 10) ii. 61 A particular type of this propeller turbine is known as the Kaplan, and here the blades have an adjustable pitch enabling them to accommodate themselves to a wide range of operating conditions.
2009 V. Nelson Wind Energy vi. 116 The three methods of regulating output are passive stall, where the wind turbine operates at fixed rotational speed with fixed-pitch blades; active stall, where the wind turbine operates at fixed rotational speed with adjustable pitch; and variable pitch, where the wind turbine operates at variable rotation speed with adjustable pitch blades.
extracted from adjustableadj.
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