| slovo | definícia |
Tractor propeller
(gcide) | 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 with a powerful engine and large wheels,
used to pull farm equipment such as plows, harvesting
machinery, etc., over farm land. Smaller forms of farm
tractor are completely open, with only a seat for the
driver.
[PJC]
4. a motor vehicle with a driver's cab and a powerful engine,
fitted with a coupling at the rear, and designed to pull a
large trailer or semi-trailer on the open highway; --
called also truck tractor. The combination of such a
tractor with its trailer is called a tractor-trailer, and
is a common form of truck used for commercial shipping of
freight.
[PJC]
5. (Aviation) A propeller screw placed in front of the
supporting planes of an aeroplane instead of behind them,
so that it exerts a pull instead of a push; -- called also
Tractor screw and Tractor propeller.
[Webster 1913 Suppl.]
6. (Aviation) An airplane having one or more tractor
propellers; -- called also tractor airplane.
[Webster 1913 Suppl.] |
Tractor propeller
(gcide) | 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.] |
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