Su-47 (S-37) Berkut Experimental Fighter Aircraft, Russia The Sukhoi Design Bureau of Moscow, Russia has developed the Su-47 (formerly known as the S-37 Berkut or Golden Eagle) fighter aircraft which first flew in September 1997. Su-47 is used in a forward swept wing configuration and a highly unstable triplane (with three wings) aerodynamic configuration. The Su-47 the first phase of flight testing in December 2001. In May 2002, Sukhoi was selected as prime contractorfor the next generation Russian PAK FA fighter program. The PAK FA is a development of the Su-47 are forward, but without the swept wings. MANOEUVRABILITY The Su-47 has extremely high agility at subsonic speeds enabling the aircraft and its angle of attack and change its flight path very quickly, and it also retains maneuverability in supersonic flight. To start Maximum turn rates and the upper and lower limits on air speed for the weapon are important criteria in terms of combat superiority. TheSu-47 aircraft has a very high maneuverability with maintained stability and controllability at all angles of attack. Maximum turn rates are important in close combat as well as medium and long range to participate if the mission can result Engaging targets in the different sectors of airspace. A high rotational speed of the Su-47 allows the pilot to turn the fighter aircraft quickly towards the next goal to take to start the weapon. The swept-forward wing, compared to a swept-wing...
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