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Former Italian pilot: The sound of the engines of the Su-57 fighter is more like a siren

Former Italian pilot: The sound of the engines of the Su-57 fighter is more like a siren
The foreign press pays attention to the sound of engines of the fifth generation Su-57 fighters of the Russian Aerospace Forces. So, on the pages of The Aviationist, Italian journalist and former pilot David Cenchetti draws attention to the fact, that the engines of Russian combat aircraft make a “howling sound”, which is not typical for other new generation fighters.

Author notes, that at the moment Russian Su-57s use AL-41F1 bypass turbojet engines from NPO Saturn.

David Cenchiotti, being a former pilot and the author of several books on aviation topics, offers to listen to the sound of operating engines during a group flight of Russian fighters.

Posted by The Aviationist:

Filming took place several months ago, but it's still interesting, because it allows you to hear the very peculiar sound of the Su-57 engines.
Video from 2020 of the year:

The Italian author notes, that such a sound is unlikely to be heard on new versions of Russian fighters, since AL-41F1 will be replaced with second stage engines (second stage). It's about engines, work on which is being carried out in our country within the framework of the “Product 30” program. At least, this is how the second stage engines for the Su-57 are designated in open sources.

David Cenchiotti:

The sound of the Su-57 fighter engine is now more like a siren. For many aviation enthusiasts, this sound is still pleasant to hear..
The Western press notes, that the design of the air intakes partly gives this sound, used by Russian aircraft designers.

It should be noted, that interest abroad in the Russian Su-57 fighter continues to grow. Added so much interest, in particular, recent tests of the Su-57 with an intra-fuselage hypersonic missile, deemed successful.

A source

                          
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