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2. Two- and four-stroke engines - Wikipedia

   en.wikipedia.org/wiki/Two-_and_four-stroke_engines

   The research on this showed a 27% reduction in fuel consumption. [8] [9] The M4+2 engine has a four-stroke piston and a two-stroke piston. The shaft of the four-stroke piston rotates twice as fast as the shaft of the two-stroke piston, and the two-stroke part always runs at half speed.

3. Two-stroke engine - Wikipedia

   en.wikipedia.org/wiki/Two-stroke_engine

   A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes of the piston (one up and one down movement) in one revolution of the crankshaft.

4. Four-stroking - Wikipedia

   en.wikipedia.org/wiki/Four-stroking

   Four-stroking is a condition of two-stroke engines where combustion occurs every four strokes or more, rather than every two. Though normal in some instances at idle, extremely high engine speeds, and when letting off the throttle, such firing is uneven, noisy and may, in cases of malfunction, damage the engine if allowed to continue unabated.

5. Premixed flame - Wikipedia

   en.wikipedia.org/wiki/Premixed_flame

   A premixed flame is a flame formed under certain conditions during the combustion of a premixed charge (also called pre-mixture) of fuel and oxidiser. Since the fuel and oxidiser—the key chemical reactants of combustion—are available throughout a homogeneous stoichiometric premixed charge, the combustion process once initiated sustains ...

6. Rotax 447 - Wikipedia

   en.wikipedia.org/wiki/Rotax_447

   Data from OPERATORS MANUAL FOR ENGINE TYPES 447, 503 & 582 General characteristics Type: two-stroke air-cooled aeroengine Bore: 67.5 mm (2.66 in) Stroke: 61 mm (2.4 in) Displacement: 426.5 cc (26.64 cu in) Dry weight: 26.8 kg (59 lb) (dry, no exhaust system) Components Valvetrain: piston ports Fuel system: pneumatic pump pressurized Fuel type: regular autofuel Oil system: premixed in the fuel ...

7. Two-stroke diesel engine - Wikipedia

   en.wikipedia.org/wiki/Two-stroke_diesel_engine

   A two-stroke diesel engine is a diesel engine that uses compression ignition in a two-stroke combustion cycle. It was invented by Hugo Güldner in 1899. [1] In compression ignition, air is first compressed and heated; fuel is then injected into the cylinder, causing it to self-ignite.

8. Rotax 532 - Wikipedia

   en.wikipedia.org/wiki/Rotax_532

   The 582 increased the cylinder bore from the 532's 72 mm to 76 mm. This increased the displacement from 521.2 cc to 580.7 cc, an increase of 11%. The increased displacement had the effect of flattening out the 532's torque curve and allowed the 582 to produce useful power over a wider rpm range. Reliability over the 532 was also improved. [1] [2]

9. Rotax 582 - Wikipedia

   en.wikipedia.org/wiki/Rotax_582

   [4] [5] The 582 increased the bore from the 532 engine's 72 to 76 mm (2.8 to 3.0 in). This increased the displacement from 521.2 cc (31.81 cu in) to 580.7 cc (35.44 cu in), an increase of 11%. The increased displacement had the effect of flattening out the 532's torque curve and allowed the 582 to produce useful power over a wider rpm range.