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The Su-75 Checkmate Fixes F-117A Flaws And May Receive A Vector Jet Nozzle

The designers and developers of the latest single-engine stealth fighter of the fifth generation Su-75 Checkmate must correct the shortcomings and weaknesses of the American Lockheed F-117A Nighthawk, according to a Su-75 patent published by the Russian Federation’s Federal Intellectual Property Office.

The designers compared the Su-75 to various recent or historic fighters in the past, seeking for flaws, according to a patent text. Russian designers, for example, wanted to enhance the Su-75’s landing and takeoff capabilities, as well as its lack of stability and controllability in flight. The American Lockheed F-117A Nighthawk has these features regarded as negatives.

According to the document, “the technological result of the invention was the attainment of the aircraft’s higher stability and controllability without compromising its radar stealth parameters.”

According to the patent, the Su-75 can be equipped with a vector jet nozzle that can be mounted on the fuselage’s axis of symmetry and utilised for flight control and trimming. The vector jet nozzle rotates in all directions except height, that is, up and down.

Su-75 Checkmate 

The Su-75 Checkmate is a Russian single-engine stealth fighter from the fifth generation. The proposal was first presented in Dubai last year, and according to unsubstantiated sources, the United Arab Emirates is supporting the initiative.

The Su-75 is expected to get an AL-41F1 engine, however it will be modified particularly for the Su-75 based on its specifications. The maximum speed that can be obtained [as determined by the manufacturer] is 1.8 Mach. A 3,000-kilometer combat radius is envisaged. The fighter will be equipped with air-to-air, air-to-ground, and electronic warfare armament systems. The first flight is scheduled for next year, with mass manufacturing beginning in 2025.

According to the Russians, it’s a sweat-fueled fighter plane that satisfies the needs of governments and armed forces with limited budgets but a desire to acquire a lethal and competitive fighter jet. The Vietnam Air Force is the most common name for Chekmate’s first overseas client. India is interested as well, but is more concerned with creating stealth rather than purchasing the fighter.

Lockheed F-117A Nighthawk

The Lockheed F-117A Nighthawk is an assault tactical single-engine stealth fighter that was developed in the 1980s. His major task at the time was to breach the enemy’s air defences in covertly. There have been five reported combat missions, and the Lockheed F-117A Nighthawk was officially deactivated in 2008.

Due to the angular design of the hull, composite and radar-absorbing materials, and a unique coating, the F-117 has a low signature.

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