The Su-57 is Russia’s most advanced fifth-generation fighter jet, designed for air superiority and precision strike missions.
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Russia has tested a new fifth-generation engine for its Su-57 stealth fighter, marking a major upgrade.
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Test Flight Completed The Su-57 successfully flew with the new engine, confirming stable performance under real flight conditions.
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Higher Thrust Output The new engine delivers significantly higher thrust, improving speed, climb rate, and combat agility.
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Longer Range, Lower Consumption Advanced materials and design help reduce fuel burn, increasing mission endurance.
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Supercruise & Stealth Support The engine supports sustained supersonic flight without afterburners and improves stealth performance.
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Upgrade from AL-41F1 Earlier Su-57s used interim engines; Product 177 moves the jet closer to its original design goals.
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Stronger Su-57 Fleet With this engine, the Su-57 gains better combat readiness and long-term modernization potential.
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