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Outdated annual Mazda Wankel "rotary" engine sales without RX-8 and without industry engines (data source: Ward's AutoNews) Mazda was fully committed to the Wankel engine just as the energy crisis of the 1970s struck. The company had all but eliminated piston engines from its products in 1974, a decision that nearly led to the company's collapse.
Wankel engines in auto racing are operated at speeds up to 10,000 rpm, but so are four-stroke reciprocating piston engines with relatively small displacement per cylinder. In aircraft, they are used conservatively, up to 6500 or 7500 rpm.
The final design General Motors Rotary Combustion Engine (GMRCE) was fixed when responsibility for the power plant's manufacture was turned over to General Motors Hydra Matic Division in August 1972 – two rotors displacing 206 cubic inches (3.38 L), twin distributors and coils, and a switch to aluminum housing construction.
The Mazda RX-8 utilizes a rotary Wankel engine, and the non-reciprocating piston engine uses a triangular rotor inside a near oval housing, producing from 141 kW (189 hp) and 164 lb⋅ft (222 N⋅m) of torque, to 177 kW (237 hp) and 159 lb⋅ft (216 N⋅m) of torque from launch.
Wankel engines (sometimes called 'rotary engines') can be classified based on the number of rotors present. Most production Wankel engines have two rotors, however engines with one, three and four rotors have also been produced. [4] [5] Wankel engines can also be classified based on whether they are naturally aspirated or turbocharged.
The Wankel engine is a type of internal combustion engine using an eccentric rotary design to convert pressure into rotating motion. All parts rotate consistently in one direction, as opposed to the common reciprocating piston engine, which has pistons violently changing direction. It is also known as a rotary engine.
Wankel aircraft engine. The company's aircraft engine line consists of the single rotor Wankel AG LCR - 407 SGti four-stroke, 407 cc (24.8 cu in) displacement, liquid-cooled, fuel injected, petrol, Wankel engine that produces 37 hp (28 kW) at 6000 rpm and the dual rotor Wankel AG LCR - 814 TGti 814 cc (49.7 cu in) displacement, liquid-cooled, fuel injected, petrol, Wankel engine design, that ...
ARV Super2 with AE110. Very closely based upon the Norton engine, the MidWest engine developed the design further. The lubrication system became a semi-total-loss system whereby Silkolene 2-stroke oil was directly injected into the inlet tracts and onto the main roller bearings, but the oil that fed the bearings became an oil-mist within the rotor-cooling air, with about 30% [4] of the oil ...