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2. Two-stroke oil - Wikipedia

   en.wikipedia.org/wiki/Two-stroke_oil

   The oil is ultimately burned along with the fuel as a total-loss oiling system. That results in increased exhaust emissions , sometimes with excess smoke and/or a distinctive odor. The oil-base stock can be petroleum , castor oil , semi-synthetic or synthetic oil , and is mixed (or metered by injection) with petrol/gasoline at a volumetric fuel ...

3. Partially premixed combustion - Wikipedia

   en.wikipedia.org/wiki/Partially_premixed_combustion

   This premixed charge is too lean to ignite during the compression stroke – the charge will ignite after the last fuel injection ends near TDC. The fuel efficiency and working principle of a PPC engine resemble those of Diesel engine, but the PPC engine can be run with a variety of fuels. Also, the partially premixed charge burns clean. [6]

4. Rotax 277 - Wikipedia

   en.wikipedia.org/wiki/Rotax_277

   Data from ROTAX 277 UL Data Sheet General characteristics Type: two-stroke air-cooled aeroengine Bore: 72 mm (2.83 in) Stroke: 66 mm (2.60 in) Displacement: 268.7 cc (16.40 cu in) Dry weight: 29.5 kg (65 lb) (complete including reduction drive and exhaust system) Components Valvetrain: piston ports Fuel system: pneumatic pump pressurized Fuel type: premium unleaded autofuel Oil system ...

5. 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]

6. Two- and four-stroke engines - Wikipedia

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

   The four-stroke engine is more efficient when running at full throttle, while the opposite is the case for the two-stroke engine. When a small car under heavy load runs at half speed, the engine automatically switches to the two-cycle mode, which is then more efficient. The research on this showed a 27% reduction in fuel consumption. [8] [9]

7. 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.