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USA tested the most powerful hypersonic fighter engine

The United States Air Force at the Arnold Airbase (Tennessee) experienced the most powerful hypersonic ramjet engine in its history, created by Northrop Grumman, an American company, reports The Drive.

The publication notes that during the tests the power unit, having worked for a total of 30 minutes, developed a maximum thrust of 58 kilonewtons, which would correspond to a speed of Mach 4. In length, the tested engine reaches 5.5 meters, which corresponds to the standard size of the power unit for the fighter. The exact dates of the tests are not disclosed.

The Drive recalls that the power unit F110-GE-129 of the fourth-generation American fighter F-16 Fighting Falcon is capable of developing thrust of 131 kilonewtons, while the SJY61 engine tested by the Air Force in 2003-2013 from the promising X-51A Waverider hypersonic missile – from 1.8 up to 4.4 kilonewtons.

In June, the American military-industrial company Raytheon, on the eve of the opening of the Paris Air Show 2019 aerospace show (France), announced a promising hypersonic missile that will receive a scramjet.

In March last year, The National Interest, an American magazine, wrote that the Russian dagger of low radar visibility and high maneuverability, “Dagger”, due to the lack of a scramjet, cannot be considered a full-fledged hypersonic weapon.

In January 2018, the designer of rocket and space technology Herbert Efremov said that Russian developers of hypersonic weapons have to solve the problem of ensuring long-term movement with the hypersonic speed of an object in the atmosphere.


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