high-efficiency propeller

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• 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

• Propulsive efficiency — In aircraft and rocket design, overall propulsive efficiency eta is the efficiency, in percent, with which the energy contained in a vehicle s propellant is converted into useful energy, to replace losses due to air drag, or gravity, or to… …   Wikipedia

• Constant speed propeller — Cutaway constant speed propeller hub …   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

• 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

• Parallax Propeller — chip The Parallax P8X32A Propeller chip, introduced in 2006, is a multi core architecture parallel microcontroller with eight 32 bit RISC CPU cores.[1] …   Wikipedia

• Shvetsov ASh-82 — ASh 82 Preserved Shvetsov ASh 82 at the Prague Aviation Museum, Kbely Type Radial engine Manu …   Wikipedia

• Jet engine — For a general overview of aircraft engines, see Aircraft engine. A Pratt Whitney F100 turbofan engine for the …   Wikipedia

• jet engine — an engine, as an aircraft engine, that produces forward motion by the rearward exhaust of a jet of fluid or heated air and gases. Also called jet, jet motor. [1940 45] * * * Any of a class of internal combustion engines that propel aircraft by… …   Universalium

• Turbofan — [ CFM56 3 turbofan, lower half, side view.] A turbofan is a type of jet engine, similar to a turbojet. It essentially consists of a ducted fan with a smaller diameter turbojet engine mounted behind it that powers the fan. Part of the airstream… …   Wikipedia

• ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …   Universalium