Su-35 (Su-27M) is a single-seat attack fighter that first flew in 1988. The Su-27M (Su-35) never entered service, and should not be confused with the entirely distinct (Bolshaya Modernizatsiya - Big Modernization) which emerged nearly two decades later. The original Su-35 was produced in response to the requirements of the Soviet Air Force, with a preliminary series units being manufactured. Sukhoi assigned the designation Su-35 to the export version of the Su-27M (T-10M) in 1992. This fighter was fitted with canards and the N011 radar. The financial crisis in Russia after the collapse of the Soviet Union precluded the Russian Air Force from buying this model in significant numbers. Production of the Su-27M had started in Komsomolsk during the last days of the Soviet Union, and a total of 15 aircraft (including the prototypes) were ultimately manufactured.
The Su-35 had long been a brand name in the aviation world. Since 1992, an export version of the Su-27 fighter (created under the order of the Russian Air Force) has been demonstrated at international air shows. At the turn of the millennium, Su-35 fighters participated in the tenders of Korean and Brazilian air forces. By the mid-decade of the new century, a general concept emerged of a considerably modified Su-27 fighter, which retained the name of Su-35.
As Defense Industry Daily noted in November 2015, "articles from 2005-2007 seem to describe 2 different SU-35s. One was a mid-life modernized SU-27 Flanker, but there’s also a much more re-engineered “SU-35” variant with canards, thrust vectoring, etc. which has been confused with (and possibly redesignated between) the SU-37.... The current “SU-35”, which has been definitively described by Sukhoi, appears to be something of a compromise between the upgrade and full redesign visions."
The Su-35 and Su-37 were made in Komomolsk-na-Amure. The Su-35 is equipped with 14 guided air-to-air missiles of very long, medium and increased range with active, semi-active and passive radar and infrared seekers. The aircraft can carry out a strike against ground and surface targets with missiles with television and remote command guidance, guided or unguided aerial bombs, cluster bomb units and rockets. There also is a built-in 30-mm aerial cannon at his disposal.
Like the Su-33 it features small wings near the cabin to enhance manoeuvrability. The AL-31F engine in the Su27 was upgraded to the AL-35F. The AL-35F is more fuel efficent giving more time on station or a greater range. It is also lighter and provides more thrust. Combined with the larger amount of composites and redesigned fueselarge, the Su-35 is a lighter aircraft with a higher amount of thrust, and thus an improved thrust to weight ratio. It also has new digital pilot control and digital engine control systems, replacing the analog computers in the original Su-27.
The radar, allows the detection of aerial targets at a range up to 400 kilometers, and ground targets at a distance up to 200 kilometers, the simultaneous tracking of up to 15 aerial targets and attacking not fewer than 6 simultaneously with missiles. The improved "Zuk" ("Scarab") radar features a mobile (+/- 130 degree) antenna which can follow position of 24 targets with ability to fire to 8 of them. The rear "sting" has a radiolocation system, which moved back the center of gravity, and which along with other innovations improve its tactical ability. Armaments includee: R-77, R-73, KS-172, R-27EM/AE, R-27E, R-27, H-31, H-29L/T, KAB-500L/KR, KAB-1500, H-15, H-65, H-59M, S-25LD, 500kg and 250 kg bombs.
On the world fighter market Russia’s Sukhoi is pinning its hopes, in the near future, on a substantially modernized Su-35 multi-role fighter. The model must be an interim type between today’s Su-30MK in various configurations and a prospective fifth-generation fighter, whose deliveries may start in the second half of the next decade. The Su-35 is a 4++ generation aircraft employing technologies of the fifth generation. They make it superior to all other 4th generation fighters now under development worldwide. In 2009-2015, thanks to these technologies, the Su-35 will dominate the world market, outperforming other proposed multi-role fighters.
Russia’s state technologies corporation Rostec head Sergey Chemezov said 09 November 2015 that the United Arab Emirates, Indonesia and Brazil were interested in the purchase of Sukhoi Su-35 jet fighters. "There is high interest for the jet, but no strict contracts have been [signed] yet. In addition to the United Arab Emirates, Indonesia and Brazil are interested in it," Chemezov told reporters.
All of the Sukhoi-35S jet fighters Russia is to supply to China will be delivered in fully assembled form, a military-diplomatic source has told TASS on the sidelines of the MAKS air show on 25 August 2015. Earlier reports mentioned the possibility some planes might be assembled in China. By now all details have been cleared up and the whole batch of the jet fighters will be delivered to the customer fully assembled. "There are no plans for production in China under license. All planes will be delivered from Russia," the source said.
The agreement reportedly includes not only the supply of 24 jets to the People's Liberation Army Air Force (PLAAF) for a total of $2 billion ($83 million per unit) but also the delivery of ground support equipment and reserve aircraft engines. The first batch of the planes, with the NATO reporting name Flanker-E, is expected to be delivered in 2016.
The 24 Russian Su-35 sold to the Chinese complete with the latest Russian AL-41F1 engines, also known as the "Article 117". China does not need the plane, however the engines are essential for the continuation of the R&D of the fifth generation jets.
The problem for Moscow is that Beijing only buys a small amount of a weapons system and then copies it. The one area they can't do this is engines but they are spending huge amounts to catch up.
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