blade tip
51Propfan — NASA / GE Unducted Fan A propfan was first defined as a small diameter, highly loaded multiple bladed variable pitch propulsor having swept blades with thin advanced airfoil sections, integrated with a nacelle contoured to retard the airflow… …
52Jet engine performance — This article describes how jet engine performance is estimated during the design phase. Similar techniques are used once the engine has been built and is being tested, except the performance of individual components, rather than being assumed, is …
53Navaja — This article is about the Andalusian folding knife; for the bivalve mollusc, see Ensis macha A contemporary navaja of traditional design, with a 5.5 inch (140 mm) blade The navaja is a traditional Spanish folding blade fighting and utility… …
54Sliding knife — An OTF knife, showing the blade being extended from the handle. An OTF Knife, also known as an out the front knife, sliding knife, or telescoping knife, is a pocketknife with a blade that opens and closes through a hole in one end of the handle.… …
55Powered hang glider — A foot launched powered hang glider (FLPHG), also called powered harness, nanolight or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration. An ordinary hang glider is used for its wing and control frame …
56gas-turbine engine — Introduction any internal combustion engine employing a gas as the working fluid used to turn a turbine. The term also is conventionally used to describe a complete internal combustion engine consisting of at least a compressor, a… …
57Fairey Jet Gyrodyne — Infobox Aircraft name=Fairey Jet Gyrodyne type=Gyrodyne manufacturer=Fairey Aviation caption= designer= first flight=January 1954 (free flight) 1 March 1955 (transition flight) introduced= retired=1961 status= primary user= more users= produced=… …
582010 eruptions of Mount Merapi — Mount Merapi Gunung Merapi Merapi, July 2005 Elevation …
59Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… …
60Bell 533 — For an overview of the whole Huey family of aircraft see Bell Huey infobox Aircraft name = Bell 533 type = Research helicopter manufacturer = Bell Helicopter caption = Bell 533 with engines and wings added designer = first flight = 10 August 1962 …
