Two-stroke engine ????How it works, or a completely true story⚙️
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A two-stroke engine (English: two-stroke engine) is a piston internal combustion engine in which the work process in each of the cylinders takes place in one revolution of the crankshaft, that is, in two strokes of the piston. Compression and stroke strokes in a two-stroke engine occur in the same way as in a four-stroke engine, but the processes of cleaning and filling the cylinder are combined and are not carried out in separate strokes, but in a short time when the piston is near the bottom dead center. Due to the fact that in a two-stroke engine, with the same number of cylinders and crankshaft rotation frequency, working strokes occur twice as often, the liter capacity of two-stroke engines is higher than that of four-stroke engines - by 1.6-1.8 times, since part the useful stroke of the piston is taken up by blowing - the "cycle" of gas exchange, which combines intake and exhaust, and the gas exchange itself is less perfect than in four-stroke engines. Unlike four-stroke engines, where the displacement of exhaust gases and the suction of fresh mixture is carried out by the piston itself, in two-stroke engines gas exchange occurs due to the supply of a working mixture or air (in diesel engines) into the cylinder under pressure created by a special blowing pump - a blower, and the gas exchange process itself received the name — blowing. In the process of blowing, the fuel-air mixture displaces combustion products from the cylinder into the exhaust channels, taking their place. At the same time, part of the fresh charge also enters the exhaust channels and is lost, which worsens the efficiency of the carburetor two-stroke engine. Official pages: https://www.facebook.com/profile.php?.... / romaniv_2809 / mechanics_ukr
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