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Topic: Wankel rotary engine

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	Wankel engine
		In 2003, Mazda relaunched the rotary with the new RX-8.
		Often the Wankel engine is also called a rotary engine, although the term rotary engine formerly referred to a type of aircraft engine which has a static crankshaft and rotating cylinders which looks as if the whole engine is rotating.
		Calling the Wankel engine a rotary engine seems to be some kind of historically grown error, because before the Wankel engine was invented and even before Wankel was born, the term rotary engine referred solely to the engine with the static crankshaft and rotating cylinders.
	www.nebulasearch.com /encyclopedia/article/Wankel_engine.html (782 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.
		Thus, power output of a Wankel engine is generally higher than that of a four-stroke piston engine of similar engine displacement in a similar state of tune, and higher than that of a four-stroke piston engine of similar physical dimensions and weight.
		The design of the Wankel engine requires numerous sliding seals and a housing that is typically built as a sandwich of cast iron and aluminum pieces that expand and contract by different degrees when exposed to heating and cooling cycles in use.
	en.wikipedia.org /wiki/Wankel_engine (3030 words)

	Mazda Wankel engine - Wikipedia, the free encyclopedia
		All Mazda Wankel "rotary" engines are essentially a single family - they all derive from the first Wankel experiments in the early 1960s.
		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.
	en.wikipedia.org /wiki/Mazda_Wankel_engine (2203 words)

	Howstuffworks "How Rotary Engines Work"
		A rotary engine is an internal combustion engine, like the engine in your car, but it works in a completely different way than the conventional piston engine.
		In a rotary engine, the pressure of combustion is contained in a chamber formed by part of the housing and sealed in by one face of the triangular rotor, which is what the engine uses instead of pistons.
		A rotary engine has an ignition system and a fuel-delivery system that are similar to the ones on piston engines.
	www.howstuffworks.com /rotary-engine.htm (924 words)

	Learn more about Automobile in the online encyclopedia. (Site not responding. Last check: 2007-11-01)
		The first vehicles were steam engine powered, then electric vehicles were produced by a small number of manufacturers.
		This effectively killed road auto development in the UK for most of the rest of the 19th century, as inventors and engineers shifted their efforts to improvements in railway locomotives.
		It is generally claimed that the first automobiles with gasoline powered internal combustion engines were completed almost simultaneously in 1886 by German inventors working independently, Gottlieb Daimler on 3 July 1886 in Mannheim and later Karl Benz and Wilhelm Maybach in Stuttgart.
	www.onlineencyclopedia.org /a/au/automobile.html (1251 words)

	Animated Engines, Wankel (Site not responding. Last check: 2007-11-01)
		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.
		The piston engine has a crankshaft connected to pistons that move up and down in cylinders, at the top of each stroke the piston is forced by an explosion back down the cylinder.
		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 (981 words)

	The Wankel Rotary Engine (Site not responding. Last check: 2007-11-01)
		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.
		The rotary recently returned to America in the RX-8, using a redesigned 13B dubbed the "Renesis." Gas mileage for the manual transmission is rated at 18 mpg city/24 mpg hwy, horsepower is 238 at 8500 rpm, torque is 159 ft-lbs at 5500 rpm, and the engine boasts a 9000 rpm redline.
	www.colinbeske.com /wankel/corprnd.html (2726 words)

	Wankel rotary - Wankelrotary
		Wankel first conceived his rotary engine in 1924 and finally received a patent for it in 1929.
		In 2003, Mazda re-launched the rotary with the new RX-8.
		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.
	www.kopete.org /Wankel-rotary.html (2618 words)

	Reference.com/Encyclopedia/Wankel engine
		A rotary engine, it is said, cannot be compared to a piston engine of the same displacement.
		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.reference.com /browse/wiki/Wankel_engine (2976 words)

	04.02.2001 - UC Berkeley researchers create world's smallest rotary internal combustion engine
		Like the engine in your car, the mini engine produces motion from controlled combustion, which takes place when a fuel such as gasoline is combined with oxygen and a spark in a chamber.
		Called a rotary engine or Wankel engine after its inventor, this engine design has not been as widely used as the piston-style engine found in most automobiles today, although the rotary did appear in the Mazda RX-7 and is reappearing in the concept cars of tomorrow.
		This truly tiny engine will have similar proportions as are used in the steel mini engine, but would use about one-thousandth of an ounce of fuel for two hours of operating time.
	www.berkeley.edu /news/media/releases/2001/04/02_engin.html (693 words)

	the Wankel rotary engine (Site not responding. Last check: 2007-11-01)
		The piston engine, with its many expensive parts, its noise and vibration, its inefficiency and fuel-gulping, and, most of all, its dirty exhaust, seems at last about to be supplanted by a radically different design.
		Dark reviews explorations for alternatives to the piston engine during the last century—steam, electricity, gas turbine, and others—and notes that when the fuel shortage first began to be felt the first practical big-selling Wankel engine was already on the road, in the Mazda.
		He then describes the Wankel engine in detail on layman’s language, with illustrations, and provides a handy owners guide to engine maintenance that is applicable regardless of brand.
	members.cox.net /wankel_dreams/library/the_Wankel_rotary_engine.html (276 words)

	WANKEL ROTARY ENGINES: (Site not responding. Last check: 2007-11-01)
		Rotary Engine Technologies Inc. will also be selling the engines on a product of their own.
		We see the engines being an integral part of a hybrid-engine system, for instance, combining our rotary engines with an electric motor drive package, which will be very efficient for driving all sorts of vehicles.
		These engines are fuel efficient as well as small and powerful”; he said, “making them a very viable alternative to the old 2-stroke, and the more efficient but heavier and more expensive 4-stroke piston engines.
	www.aflyer.com /atlantic_flyer.year/atlantic_flyer.march/wankel.html (837 words)

	Wankel engine
		In rotary engines the emphasis of the rotor (turning piston) rests or it describes a circular course.
		Many engineers tried in vain to solve these problems and it didn't seem possible that once an efficient rotary engine will be developped.
		The rotary engines can be constructed, in contrast to the lifting piston engines, which are bound to a more or less fixed form, in enormous variety.
	library.thinkquest.org /C006011/english/sites/wankel.php3?v=2 (676 words)

	BMEP of Wankel Rotary Engine? (Site not responding. Last check: 2007-11-01)
		A Wankel Rotary engine uses 33% of its displacement for combustion for one revolution output from the motor.
		: A Wankel Rotary engine uses 33% of its displacement for combustion for one revolution output from the motor.
		Since the displacement formula equals to the formula how to calculate the power of that engine, that is how it follow for calculating the power of an rotary engine...
	www.engineersedge.com /wwwboard/posts/798.html (1144 words)

	Wankel Rotary Engines - Dr. Felix Wankel (Site not responding. Last check: 2007-11-01)
		Wankel left school at the age of 19, but he gained academic recognition within his own time when he was awarded an honorary doctorate degree from Technische Universität München in 1969.
		Wankel's first attempt to receive a patent was in 1926 for a "grease turbine", but it was predated by an Enke design from 1886.
		The first truly functional Wankel rotary engine was a DKM type that ran in February 1957.
	www.millville.org /Workshops_f/kess_mech/tools/1tools/dr-wankel.html (377 words)

	Wankel Rotary Engine: A History
		It clearly explains the working of the engine and the technical challenges it presented—the difficulty of designing effective and durable seals, early emissions troubles, high fuel consumption, and others.
		The Wankel Rotary Engine - The history of the Wankel Rotary Engine.
		Wankel Rotary Engines - Theory and Design - Theory and design of wankel rotary combustion...
	www.rollingfelony.com /car-books-reviewed/0786411775.html (534 words)

	The Wankel Rotary Engine
		The Wankel Rotary Engine is a wonderfully logical redesign of the conventional internal combustion engine.
		The Rotary engine is an ingenious device, one that eliminates many of those pesky moving parts that can cause ordinary internal combustion engines to fail.
		The only disadvantages of the Wankel Engine are the higher emissions and low compression ratios that come from the long combustion chamber and the ineffective seals of the rotor points to the housing surfaces.
	www.e-scoot.com /2001/dea/WankelRotaryEngine.html (768 words)

	Wankel rotary aircraft engine
		The Wankel was just been introduced and by the "story told" it was the "better mousetrap." Well some months have gone by since then and some manufacturers have had an opportunity to see whether the "better mousetrap" was all it was cracked up to be.
		My observation and conclusion is that the engine does NOT have the power of a 912 - which it is being used by the factory to compare to.
		Another neat thing that came out of the trip to the Wankel booth was the fact that they are now building and supplying DIESEL rotary engines for drone aircraft for military application.
	www.ultralightnews.com /airventure99/wankel_rotary.htm (597 words)

	Engine & fuel engineering - BMEP of Wankel Rotary Engine?
		Displacement for a rotary engine is the displacement of one chamber (654cc for a Mazda) times the number of rotors, times 2 to make rotary displacement equivalent to reciprocating displacement.
		This is the range for reciprocating engines, but I think a rotary engine will fall toward the low side because of port limitations and less efficient cooling.
		I have been absolutely fascinated with rotary engines ever since my cousin took me for a ride in his 310 hp RX-7, which you can imagine what that was like.
	www.eng-tips.com /viewthread.cfm?qid=36873 (824 words)

	Wankel rotary engine, rotary kiln, 20b rotary (Site not responding. Last check: 2007-11-01)
		The Wankel engine was developed by German inventor Felix Wankel, beginning withdrawings wankel rotary engine.
		The Bricklin-Turner rotary engine is different from other engines of its kindlike the Wankel wankel rotary engine.
		Felix Wankel conceived the idea of a rotary engine in 1924 and received his firstof many patents in 1929 wankel rotary engine.
	www.beerssite.org /rotary/wankel_rotary_engine.html (336 words)

	Wankel Rotary Engine's?
		Biggest con is also engine in that they are not very reliable for the long term.
		Engine mounts do not line up, will not bolt to existing transmission so would need adapter or custom trans, wire harness and computers not the same, etc, etc. Not trying to scare you away from the RX7 because it is an awesome car to drive.
		The rotary engine is a mystery to most and anything we don't know we tend to mistrust.
	www.mazdaforum.com /fb.asp?m=3716&go=last (942 words)

	Wankel rotary engine (Site not responding. Last check: 2007-11-01)
		The Wankel "rotary" engines outperformed their piston-based competitors by a large wankel rotary engine.
		Wankel engines and gas turbines are rotary engines wankel rotary engine.Both piston engines and rotary engines have a fuel system,.
		The operation of a Wankel rotary engine is tough to describe without a model todemonstrate with, but basically, it consists of a triangular "piston" which.
	www.beerssite.org /wankel+rotary+engine.html (327 words)

	WatchesElite - Rotary: wankel rotary engine (Site not responding. Last check: 2007-11-01)
		The Wankel rotary engine seemed to suggest that a more elegant solution was possible, but its advantages are not obvious : one problems is that the shape of the combustion chamber does not allow
		A successful example is known as the "Wankel Rotary Engine" built by the German engineer Felix Wankel in 1954.
		A rotary Wankel type steam engine is an ideal power producer for automotive applications.
	www.watcheselite.com /rotary/wankelrotaryengine (647 words)

	Rotary Engine Technologies Wankel Rotary Engines, Aircraft Engines, Racing Kart Engines
		The company has begun to manufacture and market rotary combustion engines from 40 to 360 HP in 400 cc and 650 cc displacements.
		Global Rotary Power is convinced that this type of engine could replace a number of applications for existing piston engines, world-wide.
		Over the past twenty years many millions of dollars have been spent on research by Wankel engineers and other manufacturers to develop the new technology that has significantly improved the performance, durability and efficiency of rotary engines.
	www.rotaryengines.ca /main/about.htm (203 words)

	wankel
		It's not similar to a Wankel rotary engine as I...
		between this and a Wankel engine from the...
		of water to move a wankel engine however it...
	www.halfbakery.com /search.html?searchexpression=wankel&ok=+OK (219 words)

	Atkins Rotary Specialties
		Atkins Rotary specializes in rebuilding Mazda Rx7 rotary engines, specifically 12A, 13B, and 20B Mazda Rx7 rotary engines, and have been in business since 1982.
		We also limit the use of used parts in our rebuilt engines, in order to provide our customers with the best Mazda rotary engine on the market at the best price.
		Although we have always static balanced our engines in the past, we were forced to send our rotating assemblies out to be dynamically balanced.
	www.atkinsrotary.com (456 words)

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