adeline73

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Engine "twist" Wankel engine is a very high performance with compact size, but only very limited application. So the reason for this limitation and the future of this engine will be like?

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Rotor Wankel engine - Engine turns (Rotary Engine)
Wankel engine is a type of circular piston is named for inventor Felix Wankel, or with a motor called simply "turned" by the rotation of its characteristics. In a Wankel engine, piston triangular shape, with rounded corners turned in an oval box with the device. Each side of the triangle corresponds to a piston, are carved on the concave side forming the combustion chamber. When filming was a ring piston, the crankshaft turns 3 rounds. Therefore always turns in one direction only should this engine works very smoothly.
Triangular piston geometry compact and do not need to use the controls valves. The principle of this engine corresponds to the Otto engine, 4-stroke also loaded - compression - explosion - discharge. However, all 4-stroke instead of operating in a time up and down motion of the piston (in other conventional engine), it happened during a "spin" of the piston. Triangular rotating piston delivers power for a particularly eccentric system to provide a crankshaft.
History and structure
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Felix Wankel is a German engineer, obsessed with the idea of developing an internal combustion engine block, but as compact electric motor, especially the system eliminates the variable "linear motion" of the piston into the rotation of the crankshaft.
In 1957, after nearly 30 years of extensive research, Wankel finally succeeded in making this engine. Engine block including aluminum, working capacity of about 125cm3, weighing 11kg, with a capacity of 45 kW, the spindle reaches the angular velocity of 17,000 v / p.
Since the award was a problem "locus" complex, Wankel had built a curved cylinder unusual form of 8, on a cylinder body can create the flap (air conditioning) and discharge outlet (exhaust). It opens the door to load and store this waste by the rotor body in charge instead of the system valves (valves). The ignition is solved by Wankel two "candles" Ignition.

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Cycle 4 period: load, compression, power, exhaust (from left) of the rotor Wankel engine (or rotary engine)
As in the above diagram we see rotor Wankel engine operation 4-stroke cycle. The most noticeable characteristic is the transmission of driving force from the rotor shaft due out gear system inside and outside the rotor shaft is responsible. Thus the motion of the rotor will be moving planets (oval). Transmission ratio depends on the ratio of the rotor teeth than the crankshaft.
Since the advent of the internal combustion engine, the developers are always a headache because of the problem of engine volume collapse. Although in many different designs as cylinder-shaped V, X, I, so far, of the rotor Wankel engine is still the perfect solution to this problem.

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Rotary engine is an optimal solution to the problem of today's most compact engine volume of engineers combustion engine
However, since its inception, the rotary engine is not welcomed at all, partly because of the peculiar shape cylinder and rotor, the other part by the car manufacturers this time went into production lines stable technology, and the development of a new technology complexity and high cost this poses many problems that not everyone can be interpreted and implemented.
So until 1967, when the Japanese invented hinted this acquisition, the Germans immediately agreed. The result is the Mazda Sport are now storming through lightweight characteristics of the engine and its extremely high speeds. Currently Mazda is still at the forefront of manufacturing technology rotor Wankel engine used on your car.
After three rotor engine side, many engineers make design and manufacture rotor engine with the pentacle, seven wings, ?? however, the Wankel design is still the most optimal for this type of engine.

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