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1 propel
[prə'pel]past tense, past participle - propelled; verb(to drive forward, especially mechanically: The boat is propelled by a diesel engine.) drive frem- propulsion
- propelling-pencil* * *[prə'pel]past tense, past participle - propelled; verb(to drive forward, especially mechanically: The boat is propelled by a diesel engine.) drive frem- propulsion
- propelling-pencil
См. также в других словарях:
Propeller walk — is the term for a propeller s tendency to rotate a boat as well as accelerating it forwards or backwards.A right handed propeller (which rotates clockwise [as viewed from the stern] when in forward gear) will tend to push the aft of the boat to… … Wikipedia
Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… … Wikipedia
propeller — /preuh pel euhr/, n. 1. a device having a revolving hub with radiating blades, for propelling an airplane, ship, etc. 2. a person or thing that propels. 3. the bladed rotor of a pump that drives the fluid axially. 4. a wind driven, usually three… … Universalium
propeller governor — A device that keeps the propeller speed constant irrespective of the forward speed and power. The governor is usually centrifugal and keeps the shuttle valve oscillating about the null position feeding oil to change the propeller pitch and thus… … Aviation dictionary
Constant speed propeller — Cutaway constant speed propeller hub … Wikipedia
Supercavitation propeller — The supercavitation propeller is a variant of a propeller for propulsion in water, where cavitation (formation of water vapour) is actively employed to gain increased speed by reduced friction. This article distinguishes a supercavitation… … Wikipedia
Ducted propeller — Kort nozzle A ducted propeller is a propeller fitted with a non rotating nozzle. It is used to improve the efficiency of the propeller and are especially used on heavily loaded propellers or propellers with limited diameter. It was developed by… … Wikipedia
Scimitar propeller — A scimitar propeller is shaped like a scimitar sword, with increasing sweep along the leading edge. Typically scimitar propellers are constructed of lightweight or composite materials. The combination of light weight and efficient aerodynamics… … Wikipedia
constant-speed propeller — A propeller in which the pitch is adjusted automatically, so that the propeller revolves at a given rate dictated by the pilot and remains at that rate irrespective of maneuvers or throttle position. The pitch of the propeller is altered suitably … Aviation dictionary
pusher propeller — An arrangement in which the propeller or the airscrew is behind the engine, and it pushes the airplane rather than pulling it. The advantage of this arrangement is that the absence of an engine nacelle forward of the wing permits unrestricted… … Aviation dictionary
tractor propeller — noun : a propeller of an airplane that is placed at the forward end of its shaft and pulls on the thrust bearing instead of pushing compare pusher * * * tractor propeller, = tractor (def. 3b). (Cf. ↑tractor) … Useful english dictionary