Radial engine. How it works, or a completely true story.

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Механіка по-українськи

Published on Premiered Apr 9, 2021
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The main difference between a star-shaped engine and piston engines of other types is the design of the crank mechanism. The presence of one connecting rod is the main feature (it is similar to the connecting rod of a conventional engine with in-line arrangement of cylinders), the other connecting rods are attached and attached to the main connecting rod along its periphery (the same principle is used in V-shaped engines). The disadvantage of the design of the star-shaped engine is the possibility of oil flowing into the lower cylinders when the engine is stopped, therefore it is necessary to make sure that there is no oil in the lower cylinders before starting it. Starting the engine in the presence of oil in the lower cylinders leads to hydraulic shock and damage to the crank-connecting mechanism. Depending on the size and power, star-shaped engines can form several stars - compartments due to the lengthening of the crankshaft. Four-stroke radial engines usually have an odd number of cylinders in the compartment - this allows the spark to be supplied to the cylinders "one at a time". It is possible to work with an even number of cylinders (most often — when the cylinders are arranged in several rows), but to ensure the smoothness of the stroke, their number cannot be a power of 2. Video about the four-stroke Otto engine: • Four-stroke Otto engine. How it works... Official pages: https://www.facebook.com/profile.php?.... / romaniv_2809​​ / mechanics_ukr​​ Original source: https://www.mozaweb.com/uk/index .php​

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