Breakthrough in aviation: 80 years ago, the designer Arkhip Lyulka patented a two-circuit engine
80 years ago, Soviet engineer Arkhip Lyulka patented his invention – a bypass turbojet engine for aircraft. This invention became the prototype of the current schemes. Many Russian fighters fly with engines, the basis of which was invented by Arkhip Lyulka, the correspondent of MIR 24 TV channel Igor Naymushin reports.
Every day dozens of Su fighters take to the skies to perform training and combat missions. “Dryers” perform in the sky what their foreign counterparts are not capable of. What is the aerial acrobatics of the renowned pilots of the Russian Knights air group, who have recently moved to the new Su-30SM and Su-35S.
Not many people know, but the basis for the by-pass turbojet engines that are on modern Russian heavy fighters was laid back in the 1940s. The idea of a fundamentally new engine for an aircraft that significantly saves fuel was proposed by the Soviet scientist Arkhip Lyulka.
The idea that Arkhip Lyulka patented in April 1941 was realized only in the 1970s. For the first time, a bypass jet engine was installed on the Soviet heavy fighter Su-27. This machine made its first flight only in 1981.
Pilots and aircraft engineers know that AL (this is the name of the engine and stands for Arkhip Lyulka) means great power and reliability. The engine is the heart of the aircraft, 70% success. For fighters that fly at exorbitant modes and speeds, and even more.
“This is the highest level of technology, the highest level of parameters, the highest temperatures in the engine, the highest tension of all structural elements. Therefore, the entire team, led by Arkhip Mikhailovich, was required to constantly comply with the most advanced level, ”said Alexei Agulnik, head of the department of air-jet engines at the Moscow Aviation Institute, Doctor of Technical Sciences.
Breakthrough in aviation: 80 years ago, the designer Arkhip Lyulka patented a two-circuit engine
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FOLLOWING
The first turbojet engine, which was developed by Arkhip Lyulka, was single-circuit, which means it was less economical. But in any case, it was a big breakthrough for the country. It was tested in 1947. In terms of its characteristics, it was superior to its German counterparts.
“The first engine of Arkhip Mikhailovich TR-1 with a thrust of 1300 kilograms was installed on a Su-11 aircraft,” explained Vladimir Proklov, director of the Sukhoi Design Bureau Museum.
Although the Su-11 did not last long due to design flaws, the fruits of the engineering solutions implemented in it are still used today in the creation of modern turbojet engines.
