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Sukhoi Su-75 Checkmate - LTS - Light Tactical Aircraft - Design

The Sukhoi Checkmate LTS is a single-seat, single-engine configuration with a the cockpit a short nosecone, presumably shrouding an AESA radar unit. During the MAKS2021 presentation, a number of characteristics of the newest machine were announced. The aircraft can be equipped with five air-to-air missiles. Its speed will be Mach 1.8 and the combat radius is 3,000 km. It can be equipped with a full range of weapons of the range of aviation weapons, which is equipped with the fifth generation Su-57 fighter. The payload weight will exceed more than seven tons. The fighter will be able to simultaneously hit up to six targets. The vehicle will be equipped with a highly efficient power plant. "The engine will be in the 14.5-16 t class. This engine is made on the basis of the groundwork of the United Engine Corporation, and will be even more advanced on this aircraft," said Alexey Bulatov, Deputy Chief Designer of Checkmate, during the presentation of the machine.

The fuselage is deep, tapered at the nose and tail, housing small lateral weapons bays for single SRAAMs and a single larger ventral weapons bay with 3 MRAAMs. The display near this aircraft said that the R-73 anti-air missile, R-77 anti-air missile and KH-59MK anti-ship cruise missile will be installed in the Checkmate fighter jet. This means that this aircraft can be used to gain air control and target enemy ground targets.

The rather small ventral diverterless supersonic inlet (DSI) allows clean air intake to the turbofan within the middle-aft of the fuselage (the Lockheed F-16 "Fighting Falcon" and Eurofighter "Typhoon" multirole types both feature this design), as did the Boeing X-32 prototype strike fighter which unsuccessfully competed with the F-35 Lighting II design. The engine exhaust at the rear of the fuselage is circular, with thrust vector control features. The fighter is to be equipped with a modern engine with a deflected thrust vector, has a shortened take-off and landing distance, and can instantly react to a changing combat situation. The wings are of relatively small-area delta shape. The tail planes featured are outward-canted, believed to be all-moving, and cover the role of vertical and horizontal planes seen in more conventional fighter designs. Low radar signature and an advanced complex of passive aviation weapons allow it to quietly go out to a distance for guaranteed target destruction.

Thanks to its active phased array radar, the Checkmate is capable of simultaneously attacking up to 6 targets, even in conditions of strong electronic interference. Even when the enemy is outnumbered, he is ready to effectively fight for air superiority. He is capable of destroying fifth-generation aircraft in both long-range and close air combat. Moreover, the unique electronic warfare system "will not allow the enemy to use weapons". As the head of the UAC, Yuri Slyusar, explained after the presentation, the new fighter has the largest internal fuselage compartments for its class, which allows it to accommodate the entire range of Su-57 weapons.

Between its general shape, single-engine configuration, and even the computerized logistics system dubbed Matryoshka after the famous Russian nesting dolls the new jet has drawn comparisons to Lockheed Martins F-35 Lightning II joint strike fighter. However, Sukhoi and Rostec insist it is in principle a completely different airplane. They told reporters It is a unique airplane, adding that the Checkmate is faster, has longer range, smaller radar signature, and can carry more ordnance than the F-35.

It can be based on high-altitude airfields and be operated in any climatic conditions. The fighter is serviced by a minimum number of personnel and does not require special airfield equipment, which allows it to maintain a high level of combat readiness. The artificial intelligence system independently conducts diagnostics and informs the pilot about the readiness for flight. She also serves as a co-pilot.

According to the developers, the aircraft is the best in its class and has breakthrough characteristics. It can be based on high-altitude airfields and be operated in any climatic conditions. The fighter is serviced by a minimum number of personnel and does not require special airfield equipment, which allows it to maintain a high level of combat readiness. The artificial intelligence system independently conducts diagnostics and informs the pilot about the readiness for flight. She also serves as a co-pilot.

The Checkmate single-engine fighter will receive the most up-to-date complex of avionics. All the information necessary for the pilot will be displayed on a panoramic indicator with a touch panel and an indicator on the windshield, Advisor to the First Deputy General Director of KRET (JSC Concern Radioelectronic Technologies, included to the state corporation "Rostec") Vladimir Mikheev told TASS at the MAKS-2021 air show, which took place from July 20 to 25 in Zhukovsky. The newest on-board complex, developed at the Ramenskoye Instrument-Making Design Bureau (part of KRET), includes a promising large-format collimator indicator, a panoramic aviation indicator and a multifunctional display panel. The products, according to Mikheev, are in no way inferior to the aviation complexes of the American F-35 aircraft, and even surpass them in some parameters.

"On the basis of these devices, products for the latest domestic combat aircraft Su-57 and MiG-35D, as well as prototypes for the Checkmate light tactical fighter presented at MAKS-2021, are being developed and tested. These developments are the next step in the development of Russian avionics and are in no way inferior to similar products installed on American F-35 aircraft," Mikheev emphasized. A promising large-format collimator indicator transmits basic flight information and data on the air situation to the aircraft windshield. "Information on targets is displayed on the glass, and what kind of missile weapons should be used in a given combat situation," Mikheev said.

In turn, a panoramic aviation indicator with a diagonal of 25 inches, equipped with a touch panel, displays complete information about the state of the aircraft's systems and weapons, the route and position of the aircraft along the course. This indicator has a high resolution, which allows you to display any graphic images with high quality. The multifunctional color panel-indicator, equipped with a touch panel, is designed to display information, as well as to enter the necessary command information into the avionics complex.

Compared to its counterparts, Russian claim Checkmate has higher performance. "If we compare with the American F-35 fighter, its closest analogue, this is a different aircraft. More speed, more range, greater payload. New qualities. Much better stealth is implemented here. I would not say that it is a correct comparison with any aircraft." It has a unique aerodynamic design," Bulatov said.




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Page last modified: 13-09-2021 17:24:58 ZULU