Inside the Su-75's cockpit, the same fully glass LCD cockpit from the Su-57 is expected to be a prominent feature. Being almost a third lighter by weight than the Saturn AL-41F1 that powered the Su-27, this engine is estimated to produce 171.7 kN (38,600 lbs) of thrust at full afterburner, or roughly 4,400 lbs less than the Pratt & Whitney F135-PW-100 that powers the F-35. Though exact engine specifications for the Su-75's engines have yet to be confirmed, the consensus among Western analysts appears to suggest the novel Saturn izdeliye 30 afterburning twin-shaft turbojet engine that's also set to power the upgraded Su-57M. Of course, fifth-gen fighters are designed to never have to visually encounter enemy aircraft up close in the first place. Restriction on what types of airframes can maintain radar stealth has led most contemporary fifth-gen fighters to look like carbon copies of the F-22 or the F-35. With a trademark diverterless supersonic inlet under the nose, a la like an F-16, and an aggressive-looking V-shaped tail, the Su-75 sports a somewhat unique appearance by gen-V stealth fighter standards. Though official curb weight measurements aren't yet available to Western media, it's not unreasonable to assume the Su-75 will weigh in the same ballpark as a fully-loaded F-35A, or around 65,918 lbs (29,900 kg). With dimensions of roughly 17.5 m (57.4 ft) long and an 11.8 m (38.7 ft) wingspan, the Su-75's measurements are only slightly larger than the American Lightning II. On first impressions alone, it was almost impossible not to draw comparisons between Sukhoi's new jet fighter and the American F-35. It was displayed at the International Aviation and Space Show (MAKS) at Zhukovsky International Airport in Moscow. In the end, a relaxed, budget-friendly development schedule ensured it'd take until 2021 for the Su-75's final design mockup. Only a significant degree of overlap in personnel, construction materials, and general flight systems between the T-50 and what came to be called the T-75 prevented the latter program from being financially out of reach for Vladimir Putin's government. Today, we know the T-50 as the Su-57 (NATO Codename: Felon). Sukhoi, though not nearly as financially endowed as European, Asian, or American aerospace companies, did at least have the benefit of co-developing the new jet with Sukhoi's answer to the F-22, the T-50, which the company had been hard at work with since at least 2002. Soon after the production-variant of the F-35's first flight in December 2006, the Russian Ministry of Defense employed the historic Sukhoi Design Bureau to develop a Russian equivalent for their own Air Force. That's a real conundrum if trillion-dollar stealth fighter programs are the name of the game. But there was a problem anyone who knew anything about the Russian Federation in the 20 years after communism knew Russia and its rubles were soon parted. As soon as the Pentagon selected the Lockheed Martin F-35 Lightning II for NATO's Joint Strike Fighter program in the early 2000s, the Russian Air Force, now the Russian Aerospace Forces, knew this to be true. A good fifth-generation, single-engine stealth jet fighter is a mark of an elite global air force these days.
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