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Topic: Aircraft engine

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	RAM Aircraft, Limited Partnership - Index
		RAM Aircraft, LP is an aircraft engine overhaul facility and general aviation support center located at Waco Regional Airport in Waco, Texas.
		RAM was founded in 1976 with a focus on engineering airframe and engine improvements that provide many of general aviation’s most popular airplanes with enhanced performance and reliability.
		Whether you are looking for a specific part, need information about RAM OHE engine set-up or warranty, or just have a question about your airplane in general, give us a call at (254) 752-8381.
	www.ramaircraft.com (304 words)

	aircraft engine development
		Aircraft of the World War II era powered by large radial engines generally left a trail of fl smoke when the engine was running at take-off power, a certain indication that some of the fuel was not completely burned.
		This somewhat unusual engine had cast iron air-cooled cylinders with camshaft-operated exhaust valves and “atmospheric” intake valves that were kept closed by light springs and opened in reaction to the differential between atmospheric pressure and lowered pressure in the cylinder as the piston moved down on the intake stroke.
		By the mid 1930s, as the need for small engines to power inexpensive light aircraft in the U.S. increased, opposed twins such as the L-head Aeronca E-107 and the overhead valve E-113, the four cylinder Continental A-40 and its Lycoming counterpart, the 0-145, appeared and a new generation of opposed air-cooled engines was born.
	www.pilotfriend.com /aero_engines/aero_aircooled.htm (5791 words)

	Aircraft - Wikipedia, the free encyclopedia
		Fixed-wing aircraft generally use an internal-combustion engine in the form of a piston engine (with a propeller) or a turbine engine (jet or turboprop), to provide thrust that moves the craft forward through the air.
		With engine lift, the aircraft defeats gravity by use of vertical Examples of engine lift aircraft are rockets, and VTOL aircraft such as the Hawker-Siddeley Harrier.
		The major distinction in aircraft usage is between military aviation, which includes all uses of aircraft for military purposes (such as combat, patrolling, search and rescue, reconnaissance, transport, and training), and civil aviation, which includes all uses of aircraft for non-military purposes.
	en.wikipedia.org /wiki/Aircraft (1758 words)

	Facts about topic: (Aircraft engine) (Site not responding. Last check: 2007-10-30)
		Aircraft engines tend to be somewhere between 50% and 100% larger than a similarly powered modern car engine for a given power output.
		Whereas modern car engines require no maintenance at all (other than adding fuel (A substance that can be consumed to produce energy) and oil) for over 100,000 km (A metric unit of length equal to 1000 meters (or 0.621371 miles)), aircraft engines are now, in comparison and paradoxically, rather heavy, dirty and unreliable.
		Several attempts to produce diesel aircraft engines were made in the 1930s (The decade from 1930 to 1939) but, at the time, the alloys were not up to the task of handling the much higher compression ratio (additional info and facts about compression ratio) s used in these designs.
	www.absoluteastronomy.com /encyclopedia/a/ai/aircraft_engine.htm (1597 words)

	Aircraft engine - Wikipedia, the free encyclopedia
		Aircraft engines also tend to use the simplest parts and include two sets of anything needed for reliability, including ignition system (spark plugs and magnetos) and fuel pumps.
		Modern car engines require no maintenance at all (other than adding fuel and oil) for over 100,000 km, aircraft engines are now, in comparison and paradoxically, rather heavy, dirty and unreliable.
		Several attempts to produce diesel aircraft engines were made in the 1930s but, at the time, the alloys were not up to the task of handling the much higher compression ratios used in these designs.
	en.wikipedia.org /wiki/Aircraft_engine (1633 words)

	Encyclopedia article on Aircraft engine [EncycloZine] (Site not responding. Last check: 2007-10-30)
		The term aircraft engine, for the purposes of this article, refers to aircraft reciprocating, or rotary, internal combustion engines as opposed to jet engines or turboprops.
		This allows aircraft engines to be air cooled, as opposed to requiring a radiator, which can lead to lower weight and complexity.
		Whereas modern car engines require no maintenance at all (other than adding fuel and oil) for over 100,000 km, aircraft engines are now, in comparison and paradoxically, rather heavy, dirty and unreliable.
	encyclozine.com /Aircraft_engine (1422 words)

	jet aircraft engine
		Because the flow is turned perpendicular to the axis, an engine with a centrifugal compressor tends to be wider (greater cross-sectional area) than a corresponding axial.
		This type of combustion chamber is used on centrifugal compressor engines and the earlier types of axial flow compressor engines.
		The desire to produce a high engine efficiency demands a high turbine inlet temperature, but this causes problems as the turbine blades would be required to perform and survive long operating periods at temperatures above their melting point.
	www.pilotfriend.com /training/flight_training/tech/jet_engine_components.htm (1898 words)

	Aircraft Engine Emissions
		Aircraft engines produce emissions that are similar to other emissions resulting from fossil fuel combustion.
		that aircraft are estimated to contribute about 3.5 per cent of the total radiative forcing (a measure of change in climate) by all human activities and that this percentage, which excludes the effects of possible changes in cirrus clouds, was projected to grow.
		The Report recognized that the effects of some types of aircraft emissions are well understood, revealed that the effects of others are not, and identified a number of key areas of scientific uncertainty that limit the ability to project aviation impacts on climate and ozone.
	www.icao.int /icao/en/env/aee.htm (1244 words)

	Aircraft at AllExperts
		Fixed-wing aircraft generally use an internal-combustion engine in the form of a piston engine (with a propeller) or a turbine engine (jet or turboprop), to provide thrust that moves the craft forward through the air.
		Heliplanes are combination aircraft with both a rotor and wings; they can take off and land vertically, and hover, like a helicopter, but use their wings for high speed flight.
		The major distinction in aircraft usage is between military aviation, which includes all uses of aircraft for military purposes (such as combat, patrolling, search and rescue, reconnaissance, transport, and training), and civil aviation, which includes all uses of aircraft for non-military purposes.
	en.allexperts.com /e/a/ai/aircraft.htm (1952 words)

	Thirty Thousand Feet - Aircraft Engines and Nacelles
		GE Honda Aero Engines LLC This joint venture between General Electric Co. and Honda Motor Co., Ltd. is pursuing the launch of Honda's HF118 turbofan engine in the light business jet market.
		Thielert Aircraft Engines GmbH (TAE) This German company is the designer and manufacturer of Centurion jet fuel piston aircraft engines for general aviation and UAV applications.
		Ultra-Efficient Engine Technology (UEET) This NASA project is focued on promoting environmentally friendly, clean burning engines by developing innovative technologies to enable intelligent turbine engines that significantly reduce harmful emissions while maintaining high performance and increasing reliability.
	www.thirtythousandfeet.com /engoems.htm (1109 words)

	Encyclopedia: List of aircraft engine manufacture... (Site not responding. Last check: 2007-10-30)
		Aachen Flugzeugbau was a German aircraft manufacturer of the early 20th century, established around the time of World War I. With the end of the war, and the prohibition on powered flight in Germany, the firm began to specialise in sailplane construction, and in 1921 became known as Aachener Segelflugzeugbau...
		Aero Boero S.A. is an Argentine aircraft manufacturer, established in 1952 by the brothers Hector and Caesar Boero in Córdoba.
		The Beech Aircraft Corporation, purchased by Raytheon Aircraft on February 8, 1980, and often called Beechcraft after the name they give their aircraft, is a manufacturer of general aviation and military aircraft, ranging from light single engine aircraft to business jets and light military transports.
	www.nationmaster.com /encyclopedia/List-of-aircraft-engine-manufacture... (276 words)

	AEHS Home
		The Aircraft Engine Historical Society is a non-profit educational and historical society, open to the public, which fosters an appreciation of the people, art, and science associated with aircraft engine development, manufacture, and use.
		All that is required is the mark and serial number of the engine, be it airworthy, on display, in a museum aircraft or in private ownership.
		Engines must be complete or substantially complete - no wrecks.
	www.enginehistory.org (716 words)

	About Engine Mounts and Mounting a Model Aircraft Engine
		Some engine mounts and all beam mounts have beams that are parallel (top and bottom of beam) so that a bolt and locknut can be used to hold the engine in place.
		Many engine mounts have beams that are not parallel and are designed to be tapped for the engine bolts.
		If the engine has right thrust, then the engine should be moved toward the left side of the firewall (looking from the cockpit) to put the back of the propeller on the centerline of the aircraft.
	www.airfieldmodels.com /information_source/model_aircraft_engines/mounting.htm (2020 words)

	Aircraft Turbine Engine Cost Model (Site not responding. Last check: 2007-10-30)
		The engine characteristics that best explain development cost through MQT and production cost are maximum thrust of the engine at sea-level-static conditions, an indicator of engine size; Mach number, a measure of performance; and turbine inlet temperature, the dominant technical parameter in the engine cycle.
		The parameters include engine thrust to weight ratio, turbine inlet temperature, and specific fuel consumption, which are the three most important technical characteristics in the turbine engine development process.
		If an engine is developed that is not in the mainstream trend, such as a variable cycle or lift engine, the estimating relationship described may not apply.
	www1.jsc.nasa.gov /bu2/ATECM.html (632 words)

	Wright 1903 Aircraft Engine
		To generate thrust for their aircraft, the brothers used twin, counter-rotating propellers at the rear of the aircraft.
		The four cylinders on the side of the engine are actually the combustion chambers in which the fuel/air mixture is ignited.
		It was returned to Dayton, Ohio, with the airframe and taken apart as the brothers built a new engine for the 1904 aircraft.
	wright.nasa.gov /airplane/eng03.html (732 words)

	Model Aircraft Engine Types
		There are a variety of engine types available to us and every few years a type we never had before becomes available.
		These engines are capable of turning very high RPM and are the engine of choice for propeller driven speed aircraft.
		Because a comparably sized 4-stroke engine is less powerful than a 2-stroke, the rule of thumb is to use a 2-stroke of about 2/3 to 3/4 the size of a 4-stroke.
	airfieldmodels.com /information_source/model_aircraft_engines/engine_types.htm (1335 words)

	GE - Aviation
		The new GEnx engine took flight for the first time on board GE's 747-100 flying test bed in Victorville, CA.
		GE - Aviation opens new site to build and ship the next "Marine One" helicopter to be used by the President of the United States.
		Spain Chooses GE Engines for its NH90 Helicopters
	www.geae.com (70 words)

	Model Aircraft Engine Types
		There are a variety of engine types available to us and every few years a type we never had before becomes available.
		These engines are capable of turning very high RPM and are the engine of choice for propeller driven speed aircraft.
		Because a comparably sized 4-stroke engine is less powerful than a 2-stroke, the rule of thumb is to use a 2-stroke of about 2/3 to 3/4 the size of a 4-stroke.
	www.airfieldmodels.com /information_source/model_aircraft_engines/engine_types.htm (1335 words)

	Anzani Aircraft Engine (Site not responding. Last check: 2007-10-30)
		Even with its shortcomings, these Anzani aircraft engines were used by a number of aviation pioneers, most notably, Igor Sikorski, the father of the modern helicopter.
		A true 3-cylinder radial engine, such as the one on display, was the result.
		Engines of this weight and power served the needs of builders of light aircraft in the late 1920's and early 1930's, and many engines were exported to England, Russia, Germany and the USA.
	www.bcam.net /engines/anzani.htm (271 words)

	Rotax service, Rotax engine service, Rotax aircraft engine service bulletin.
		The mechanic takes the engine apart, reports to the owner that the engine is badly worn in the crankcase bearing retaining area, and that several of the crankshaft bearings are badly worn, as is the crankcase.
		In the first example the engine seizure was originally caused by a worn crankshaft seal, causing a lean mixture, had the mechanic completely disassembled the engine rather than just doing the top end he would have found the real cause of the seizure and fixed it.
		Most of the engines currently used on snowmobiles are equipped with CDI ignition, and even that is totally different to the CDIs that were are using.
	www.ultralightnews.com /safety_bulletins/rotax_service.htm (1773 words)

	Aircraft Engine Encyclopedia Article, Description, History and Biography @ LocalColorArt.Encyclopedia.com (Site not responding. Last check: 2007-10-30)
		Looking For aircraft engine - Find aircraft engine and more at Lycos Search.
		Aircraft Engine - We've done the research for you.
		The power to weight ratio is one of the most important characteristics for an aircraft engine.
	encyclopedia.localcolorart.com /encyclopedia/Aircraft_engine (1719 words)

	General Electric : Products & Solutions : Aviation (Site not responding. Last check: 2007-10-30)
		GE is bringing its more efficient GEnx engines to Korean Air and flowing new technology into Southwest Airlines existing fleet of aircraft to improve its environmental performance.
		A series of recent aircraft engines wins for the GE90 and GEnx engine platforms are proof that ecomagination is paying off in the marketplace.
		GE was proud to be a member of the team, powering the airliner with two GE90-115Bs, the most powerful aircraft engine in our fleet.
	www.ge.com /en/product/business/aviation.htm (387 words)

	Wright 1903 Aircraft Engine
		To generate thrust for their aircraft, the brothers used twin, counter-rotating propellers at the rear of the aircraft.
		The four cylinders on the side of the engine are actually the combustion chambers in which the fuel/air mixture is ignited.
		It was returned to Dayton, Ohio, with the airframe and taken apart as the brothers built a new engine for the 1904 aircraft.
	www.grc.nasa.gov /WWW/Wright/airplane/eng03.html (732 words)

	Early Aircraft Engines
		The most advanced aircraft engine early in the century was the 50-horsepower (37-kilowatt) engine designed by Charles Manley for use on Samuel Langley's aerodromes.
		The engine designed and built by Charlie Taylor and the Wright brothers for their Flyer, although much lower powered, had a greater place in history because it propelled the first successful powered flight in 1903.
		Wright's engine had four inline cylinders, was water-cooled, generated 12 horsepower (9 kilowatts) (as compared to Manley's 50 horsepower), and had weighed about 179 pounds (81 kilograms) without the fuel.
	www.centennialofflight.gov /essay/Aerospace/earlyengines/Aero4.htm (1550 words)

	G&N Aircraft - Engine Warranty
		For engine warranty after twelve (12) months from the date of delivery to customer and prior to the expiration of the manufacturers recommended time between overhaul ("TBO"), the cost of repair or replacement (including the cost of parts and labor), at GandN Aircraft's option, shall be prorated in the following manner.
		The customer shall pay a prorated amount based upon the engine's TBO and the engine hours (which shall be deemed the greater of logbook hours, recorded tachometer hours, or a minimum of forty (40) hours per month from date of delivery).
		This written warranty shall not apply to any engine which has been subject to misuse, neglect, accident or damage from the elements, or which has been installed, repaired or maintained or altered in any manner which, in the judgment of GandN Aircraft, Inc. has had an adverse effect on the engine or its parts.
	www.gnaircraft.com /warranty.htm (723 words)

	AIRCRAFT ENGINE
		A turbine type engine that is operated by gas rather than one operated, for instance, by steam or water.
		Da Vinci described the chimney jack, as the hot air from the fire rose, it was made to pass through a series of fan blades and through a series of gears, turn a roasting.
		The Whittle and the von Ohain engines led to successful jet-powered fighter aircraft by the end of World War II, the Messerschmitt Me262 that was used by German Air Force.
	www.thaitechnics.com /engine/engine_intro.html (491 words)

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