Tractor screw
Tractor screw Tractor screw or Tractor propeller Tractor propeller (Aviation) A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence,

{Tractor monoplane},

{Tractor biplane}, etc. This is the most common arrangement for propellers on modern airplanes. [Webster 1913 Suppl.]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Tractor screw — Tractor Tract or, n. [NL., from L. trahere, tractum, to draw.] 1. That which draws, or is used for drawing. [1913 Webster] 2. pl. (Med.) Two small, pointed rods of metal, formerly used in the treatment called Perkinism. [1913 Webster] 3. a motor… …   The Collaborative International Dictionary of English

  • Tractor biplane — Tractor screw Tractor screw or Tractor propeller Tractor propeller (Aviation) A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence, {Tractor monoplane} …   The Collaborative International Dictionary of English

  • Tractor monoplane — Tractor screw Tractor screw or Tractor propeller Tractor propeller (Aviation) A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence, {Tractor monoplane} …   The Collaborative International Dictionary of English

  • Tractor propeller — Tractor screw Tractor screw or Tractor propeller Tractor propeller (Aviation) A propeller screw placed in front of the supporting planes of an airplane instead of behind them, so that it exerts a pull instead of a push. Hence, {Tractor monoplane} …   The Collaborative International Dictionary of English

  • Tractor — Tract or, n. [NL., from L. trahere, tractum, to draw.] 1. That which draws, or is used for drawing. [1913 Webster] 2. pl. (Med.) Two small, pointed rods of metal, formerly used in the treatment called Perkinism. [1913 Webster] 3. a motor vehicle… …   The Collaborative International Dictionary of English

  • tractor airplane — Tractor Tract or, n. [NL., from L. trahere, tractum, to draw.] 1. That which draws, or is used for drawing. [1913 Webster] 2. pl. (Med.) Two small, pointed rods of metal, formerly used in the treatment called Perkinism. [1913 Webster] 3. a motor… …   The Collaborative International Dictionary of English

  • Tractor propeller — Tractor Tract or, n. [NL., from L. trahere, tractum, to draw.] 1. That which draws, or is used for drawing. [1913 Webster] 2. pl. (Med.) Two small, pointed rods of metal, formerly used in the treatment called Perkinism. [1913 Webster] 3. a motor… …   The Collaborative International Dictionary of English

  • truck tractor — Tractor Tract or, n. [NL., from L. trahere, tractum, to draw.] 1. That which draws, or is used for drawing. [1913 Webster] 2. pl. (Med.) Two small, pointed rods of metal, formerly used in the treatment called Perkinism. [1913 Webster] 3. a motor… …   The Collaborative International Dictionary of English

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  • Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… …   Wikipedia

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