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Topic: Mazda Wankel engine

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	Animated Engines, Wankel
		The Wankel radial engine is a fascinating beast that features a very clever rearrangment of the four elements of the Otto cycle.
		In the Wankel a triangular rotor incorporating a central ring gear is driven around a fixed pinion within an oblong chamber.
		The fuel/air mixture is drawn in the intake port during this phase of the rotation.
	www.keveney.com /Wankel.html (156 words)

	Wankel, Wankel Rotary engine, Wankel rotary aircraft engine.
		While the Mazda rotary engine, uses the same principles as the Wankel engine it is a totally different design.
		A Wankel engine has a disk,shaped like a triangle, that rotates in a circle, thus there is no top and bottom of the stroke, which practically eliminates vibration.
		The Wankel is a four stroke engine, and it is liquid cooled, the aircraft Wankel engines are unique in that they use both a charged oil lubrication system and that charged water cooled system.
	www.ultralightnews.com /sunfun99/wankel.html (978 words)

	Wankel Engine - BikersUnite (Site not responding. Last check: )
		In the Wankel engine, the four strokes of a typical Otto cycle engine are arranged sequentially around an oval, unlike the reciprocating motion of a piston engine.
		Wankel engines also generally have a much higher redline than a similarly sized reciprocating engine since the strokes are completed with a rotary motion as opposed to a reciprocating engine with must use connecting rods and a crankshaft to convert reciprocating motion into rotary motion.
		Unfortunately for Mazda, their switch to this solution was immediately followed by a sharp rise in the cost of gasoline worldwide, so that not only the added fuel cost of their 'thermal reactor' design, but even the basically lower fuel economy of the Wankel engine caused sales to drop alarmingly.
	bikersunite.com /wiki/index.php?title=Wankel_Engine (1341 words)

	Mazda Wankel engine - Wikipedia, the free encyclopedia
		Wankel engines can be classified by their rotor size in terms of width (diameter) and depth (thickness).
		The most prominent 4-rotor engine from Mazda was used exclusively for various Mazda-built GT cars (including the 767 and 787B) in replacement of the older 13J.
		Mazda was fully committed to the Wankel engine just as the energy crisis of the 1970s struck.
	en.wikipedia.org /wiki/Mazda_Wankel_engine (2203 words)

	Wankel engine - Wikipedia, the free encyclopedia
		In the Wankel engine, the four strokes of a typical Otto cycle engine are arranged sequentially around an oval, unlike the reciprocating motion of a piston engine.
		Unfortunately for Mazda, their switch to this solution was immediately followed by a sharp rise in the cost of gasoline worldwide, so that not only the added fuel cost of their 'thermal reactor' design, but even the basically lower fuel economy of the Wankel engine caused sales to drop alarmingly.
		Mazda is the only team from outside Western Europe or the United States to have won Le Mans outright and the only non-piston engine ever to win Le Mans, which the company accomplished in 1991 with their four-rotor 787B (2622 cc actual displacement, rated by FIA formula at 4708 cc).
	en.wikipedia.org /wiki/Wankel_engine (3030 words)

	Reference.com/Encyclopedia/Mazda Wankel engine
		This engine is starting to become popular with kit car builders, hot rodders and in light aircraft because of its light weight, compact size and tuning potential stemming from is inherent high power to weight ratio.
		The most prominent 4-rotor engine from Mazda was used exclusively for various Mazda-built GT cars (including the 767 and 787B) in replacement of the older 13J.
		Mazda was fully committed to the Wankel engine just as the energy crisis of the 1970s struck.
	www.reference.com /browse/wiki/Mazda_Wankel_engine (2639 words)

	Wankel Engine - Search Results - MSN Encarta
		Wankel Engine, internal-combustion engine, powered by gasoline, that uses a triangular-shaped rotor, or rotating part, to produce mechanical energy....
		The Wankel rotary engine is a type of internal combustion engine, invented by German engineer Felix Wankel, which uses a rotor instead of reciprocating pistons.
		Wankel Engine: The Wankel radial engine is a fascinating beast that features a very clever...
	encarta.msn.com /Wankel_Engine.html (255 words)

	cars - Mazda Wankel engine (Site not responding. Last check: )
		The only engine to diverge from this formula was the rare 13A, which used a 120 mm (4.7 in) diameter and 17.5 mm (0.7 in) offset.
		This early engine had a rotor diameter of 90 mm (3.5 in), an offset of 14 mm (0.6 in), and a depth of 59 mm (2.3 in).
		Mazda was fully committed to the Wankel engine just as the energy crisis of the 1970s struck.
	www.carluvers.com /cars/Mazda_Wankel_engine (2189 words)

	My Mazda
		Mazda CX-7 testing would be thought to be done on the family front rather on the performance track, as of course this is exactly what a crossover SUV is engineered to satisfy for its customer.
		Mazda cars have always focused on exhilarating performance, as it is in fact the hallmark of their brand.
		Mazda was actually the first to put the performance benefits of Wankel’s rotary engine to work in consumer production vehicles; now today the Renesis rotary engine which is found in the amazing new Mazda RX-8 has the title of International engine of the year.
	www.my-mazda.com (1344 words)

	The Wankel Engine History
		Wankel thoroughly investigated shapes for both the rotor and the housing of the engine to bear his name, discovering over 800 possible shapes.
		Intake and exhaust are by ports on the housing, similar in principle to a two-stroke piston engine.
		It was thought that no Wankel could meet current California emissions requirements, but Mazda engineers persevered and met those stringent regulations, primarily by reconfiguring the design so that the intake and exhaust ports are on the sides of the RX-8's chamber instead on the periphery.
	www.theautochannel.com /news/2004/07/04/202357.html (1278 words)

	Online Encyclopedia and Dictionary - Mazda Capella (Site not responding. Last check: )
		It featured the 1.6 L (1586 cc) engine, which was also used in the 1200 that year.
		The Mazda Cronos and Efini MS-6 had taken the GE platform that the Capella might have used.
		The Mazda Cronos name was retired and the Capella, 626, and Telstar once again shared a common platform.
	fact-archive.com /encyclopedia/Mazda_Capella (610 words)

	Sore4x4: 4x4 Trails & Offroad for SW Washington & Oregon
		Further engineering work by Mazda brought these problems under control, but the company was then confronted with a sudden global concern over both hydrocarbon emission and a rise in the cost of gasoline, the two most serious drawbacks of the Wankel engine.
		Mazda is the only team from outside Western Europe or the United States to have won Le Mans outright and the only non-piston engine ever to win Le Mans, which the company accomplished in 1991 with their four-rotor 787B (2622 cc actual displacement, rated by FIA formula at 4708 cc).
		The largest Wankel engine was built by Ingersoll-Rand; available in 550 horsepower (410 kW) one rotor and 1100 horsepower (820 kW) two rotor versions, displacing 41 liters per rotor with a rotor approximately one meter in diameter, it was available between 1975 and 1985.
	sore4x4.com /home/db/Wankel_engine (2662 words)

	The Wankel Rotary Engine (Site not responding. Last check: )
		Wankel eventually convinced Heydekamph that Borsig, a German compressor company, was interested in his design as a compressor and eventually an engine.
		Wankel knew that the epitrochoidal chamber and triangular rotor invented for the Quickly were compatible for with the principal of a four-stroke combustion engine.
		Mazda also mixed oil in with the fuel to lubricate the apex seals and rotor tips; like Curtiss-Wright and NSU, however, they later used a metering pump with a linkage to the throttle that directly injected oil into the housings.
	www.colinbeske.com /wankel/corprnd.html (2726 words)

	Mazda Wankel engine - Definition, explanation
		All Mazda Wankel "rotary" engines are essentially a single family - they all derive from the first Wankel experiments in the early 1960s.
		In auto racing and for Japanese tax purposes, the displacement of Wankel engines is defined as the equivalent of 1.5 times the nominal displacement.
		The ultimate 12A engine was the turbocharged and fuel injected engine used in the Japan-spec Cosmo, Luce, and RX-7.
	www.calsky.com /lexikon/en/txt/m/ma/mazda_wankel_engine.php (2221 words)

	irishcar.com - Mazda and the Wankel Engine
		Wankel was fascinated throughout his entire life with machines, even though he did not possess a technical education.
		In total Mazda has produced 18 rotary engined cars since the Cosmo Sport 110 S in 1967, the Mazda RX-8 is the 19 th and uses the most advance generation of rotary engines.
		Mazda took 8 th place in the British RAC Tourist Trophy race and 4 th in the German Touring Car Grand Prix and finished in a dead heat in 1 st with the BMW team at Spa Francorchamps.
	irishcar.com /wankelge.htm (1893 words)

	Mazda Engine: Technologically-Advanced Engines for Boosted Performance
		This engine was used in Mazda automobiles from 1960 to 1963.
		However, the oddest of all engines is the Wankel Mazda engine.
		The Wankel engine is an internal combustion engine invented by the German engineer, Felix Wankel.
	www.automotivemazparts.com /mazda-engine (444 words)

	Why QT is not a Wankel engine (Site not responding. Last check: )
		The Wankel engine is based on the principle of volume variation between a curve and a moving cord (a sliding single piston-object on the curve).
		In a piston engine, the "cylinder head" is fix and does not move during the piston stroke, so that the residual minimum chamber volume at TDC (this exclude the chamber cut inside the rotor surface) is part of the relaxation volume during the complete stroke, and do not vary.
		The Wankel engine is a "rotating piston engine" that is subject to a constant circular vibration.
	quasiturbine.promci.qc.ca /QTpasWankel.html (4104 words)

	Wankel engine Summary
		Mazda is the only team from outside Western Europe or the United States to have won Le Mans outright and the only non-piston engine ever to win Le Mans, which the company accomplished in 1991 with their four-rotor 787B (2622 cc actual displacement, rated by FIA formula at 4708 cc).
		The largest Wankel engine was built by Ingersoll-Rand; available in 550 hp (410 kW) one rotor and 1100 hp (820 kW) two rotor versions, displacing 41 liters per rotor with a rotor approximately one meter in diameter, it was available between 1975 and 1985.
		This problem was solved by limiting the engine speed to only 1200 rpm and use of natural gas as fuel; this was particularly well chosen, as one of the major uses of the engine was to drive pumps on natural gas pipelines.
	www.bookrags.com /Wankel_engine (3510 words)

	Mazda B 13 rotary engine - 4wings.com (956) 943-5150
		The Mazda Wankel 13B engine is unique in that it employs two rotors with 3 faces on each rotor which are similar in function to a reciprocating engines pistons.
		The Wankel engine is inherently smoother than a reciprocating engine in that there are no linear to rotational translations as exists in a reciprocating engine.
		However, even in the case of lubrication subsystem failure the failure mode is gradually, with the engine actually slowing down to a stop as the friction increases rather than suddenly sizing as piston engines are inclined to do.
	4wings.com.phtemp.com /crafts/a2con/ppb13.html (1410 words)

	Mazda Page
		For many years, rotary engine was regarded as a dying breed of engines, blame to its heavy fuel consumption and poor emission which failed to comply with the latest regulations.
		At the rear, Mazda deleted the spare wheel and install the fuel tank under the rear seats so that now both the engine and the fuel tank are located within the wheelbase.
		Mazda also offers a cheaper version RX-8 (around 10% cheaper), whose engine has just a fixed intake manifold which is tuned for low-down torque rather than high-end power.
	www.autozine.org /html/Mazda/RX8.html (1814 words)

	Mazda Club - for all year Mazda cars and trucks
		First, the Wankel engine itself is simple—gases move into and out of the combustion chambers through ports; no moving valve train parts mean no pushrods to bend, no rocker arms to snap, no valves to bounce off the tops of pistons.
		Wankels also have a reputation for longevity — a well-maintained engine can be raced for three or four seasons without a rebuild.
		And heck, with the Wankel’s being the winningest engine in IMSA history and a 4-rotor version’s having won at Le Mans in 1991, the rotary has the sort of competition pedigree that evokes warm images of Moet-soaked podium finishes and waving checkered flags.
	www.mazdaclub.com /mctech.htm (4122 words)

	Mazda RX-7 and RX-8 (Site not responding. Last check: )
		With newly imposed emissions controls strangling engine output and new bumper regulations mandating massive bricks of metal hanging fore and aft, many cars of the mid- to late-1970s were some of the least desirable in the history of the automobile.
		The 12A engine was gone, and all RX-7s were now powered by a revised version of the fuel-injected 13B twin-rotor Wankel engine producing 146 hp at 6,500 rpm and 138 lb-ft of torque at 3,500 rpm.
		Mazda is sticking its corporate neck out here, coming to market with a more specialized, higher-priced car at a time when two-seater sales — not to mention automotive sales in general — are feeble.
	www.edmunds.com /insideline/do/Features/articleId=103416 (4536 words)

	[No title]
		This is the same as a one cylinder two cycle piston engine of the same displacement or a two cylinder four cycle piston engine of twice the displacement.
		This three chamber simultaneous action is the reason the Wankel engine is so light and compact for the power it is able to generate.
		Although the Wankel has similarities with a two cycle engine, particularly in regard with the way the porting mechanism works, it is in no way a two cycle engine.
	www.rotaryeng.net /How-wankel-works3.txt (1145 words)

	MAZDA - Automobile.com
		Mazdas big debut for the upcoming year will be the brand new midsize 6 sedan, which will be unveiled at Frankfurt.
		If you were questioning whether Mazda would keep its Ford Escapebased Tribute in its everexpanding lineup now that itrsquos launched the sporty new CX7 and 7occupant CX9 crossovers, the answer isclear now that the Japanese brand has released photos of the upcoming 2008 Tribute, once again based on the Escape.
		OverviewThe 2008 Mazda Tribute has been redesigned on the outside and inside, although the engines and chassis are the same.
	www.automobile.com /mazda (340 words)

	Green Car Congress: Hybrids and Plug-ins: New Opportunities for Rotaries?
		The Wankel replaces the piston and cylinder of a conventional engine with a three-cornered rotor turning in a roughly oval chamber.
		Wankel conceived of his idea in 1924, received his first patent in 1929, received his patent for what would become the prototype in 1936, was interrupted by World War II, created a company, and finally had a running prototype of what became the Wankel engine in 1958.
		Roadtested in 1960, the engine was used in the Wankel Spider in 1964.
	www.greencarcongress.com /2005/05/hybrids_and_plu.html (1579 words)

	Mazda 618 - Mazda618
		The 616 was a major component of Mazda's United States expansion in 1971, having been preceded by its rotary brother, the RX-2, the previous year.
		The Mazda Cronos and Efini MS-6 had taken the GE platform that the Capella might have used.
		The Mazda Cronos name was retired and the Capella, 626, and Telstar once again shared a common platform.
	www.kopete.org /Mazda-618.html (630 words)

	Engines: Wankel engine (Site not responding. Last check: )
		In Britain, Norton Motorcycles developed a Wankel rotary engine for motorcycles, which was included in their Commander; Suzuki also produced a production motorcycle with a Wankel engine, the RE-5.
		This new engine relocated the ports for exhaust and intake from the periphery of the rotary housing to the sides, allowing for larger overall ports, better airflow, and further power gains.
		The largest Wankel engine was built by Ingersoll-Rand; available in 550 horsepower (410 kW) one rotor and 1100 horsepower (820 kW) two rotor versions, displacing 41 liters per rotor with a rotor approximately one meter in diameter, it was available between 1975 and 1985.
	452-engines.blogspot.com /2006/02/wankel-engine.html (2589 words)

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