Question:
Thats rotary for the uninitiated of you.
Answers:
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http://auto.howstuffworks.com/rotary-eng... This should contain all the info you need. One dispute about this engine is that it's praised for being virtually vibration-free. I worked in a salvage yard, 4 of our tractors had the rotary engine, and they all vibrated something fierce. Anyway, I hope this helps.What are the best Mods for a 1994 Mustang?
How it worksThe Wankel cycle. The "A" marks one of the three apexes of the rotor. The "B" marks the eccentric shaft and the white portion is the lobe of the eccentric shaft. The shaft turns three times for each rotation of the rotor around the lobe and once for each orbital revolution around the eccentric shaft.In the Wankel engine, the four strokes of a typical Otto cycle occur in the space between a somewhat triangular shaped rotor and the inside of a housing. In the basic single rotor Wankel engine, the oval like epitrochoid shaped housing surrounds a three-sided rotor (similar to a Reuleaux triangle, but with the middle of each side a bit more flattened). The center drive shaft, also called an eccentric shaft or E-shaft, passes through the center of the rotor and is supported by bearing. The rotor both rotates around an offset lobe (crank) on the E-shaft and makes orbital revolutions around the center shaft. Seals at the corners of the rotor seal against the periphery of the housing, dividing it into three moving combustion chambers.
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Fixed gears mounted on each side of the the housing engage with ring gears attached to the rotor to ensure the proper orientation as the rotor moves.
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As the rotor rotates and orbitally revolves, each side of the rotor gets closer and farther from the wall of the housing, compressing and expanding the combustion chamber similarly to the "strokes" in a reciprocating engine. The power vector of the the combustion stage goes through the center of the offset lobe.
While a normal four stroke cycle engine produces one combustion stroke per cylinder for every two rotations of the crank shaft (that is, one half power stroke per crankshaft rotation per cylinder,) each combustion chamber in the Wankel generates one combustion 'stroke' per drive shaft rotation, i.e. one power stroke per rotor orbital revolution and three power strokes per rotor rotation. 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. 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 which must use connecting rods and a crankshaft to convert reciprocating motion into rotary motion.
National agencies which tax automobiles according to displacement and regulatory bodies in automobile racing variously consider the Wankel engine to be equivalent to a four-stroke engine of 1.5 to 2 times the displacement; some racing regulatory agencies view it as offering so pronounced an advantage that they ban it altogether. [citation needed] After Mazda won the 24 hours of Le Mans in 1991 with their 787B car powered by a 4-rotor Wankel engine, the FIA (Federation Internationale de l'Automobile) decided to ban rotary engined powered cars from racing in that league again. [citation needed]
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