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Butowski, Piotr. "Putin's Raptorski". Air International, Vol. 93, No 3, September 2017, pp.24–27. Stamford, UK: Key Publishing. Ultimately, the primary objective in any engine performance tuning endeavor is to optimize the intake of air and fuel into each cylinder. The intake manifold plays a crucial role in this process, as it directs air from the intake filter into the engine, where it combines with fuel. The design and flow rate of the intake manifold can significantly impact fuel atomization on the N57 engine.
Komarov, Alexey (8 March 2010). "Three More Sukhoi T-50 Prototypes To Fly in Next 12 Months". Aviation Week . Retrieved 30 January 2019. The Su-57 is powered by a pair of NPO Lyulka-Saturn izdeliye 117, or AL-41F1, augmented turbofans. [101] The engine is a highly improved and uprated variant of the AL-31 and produces 9 tonnes (88.3 kN, 19,840 lbf) of dry thrust, 14.5 tonnes (142.2kN, 31,970lbf) of thrust in afterburner, and 15 tonnes (147.1kN, 33,070lbf) of thrust in "special" emergency power. The engines have full authority digital engine control ( FADEC) and are integrated into the flight control system to facilitate maneuverability and handling. [102] [84] The AL-41F1 is closely related to the Lyulka-Saturn izdeliye 117S engine, or AL-41F1S, used by the Su-35S, with the latter's separate engine control system being the key difference. [103]
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Fast road cams, that is a cam optimized for everyday driving, will normally push up the bhp and torque throughout the rev band, you could drop a little bottom end bhp but the top end will be higher. Overall the power will be where a typical driver needs it most across the middle third of the rpm range.
In 2004, Sukhoi anticipated that the Su-57 could become the basis for a family of combat aircraft for the Russian Aerospace Forces, similar to the Su-27 family. [24] Under the program name Megalopolis (Russian: Мегаполис, lit.'Megalopolis'), the company is developing a new variant, designated Su-57M, that augments the base Su-57 design with improved mission systems, reliability and maintenance enhancements, incorporation of electromechanical drives, and the new NPO Saturn izdeliye 30, or AL-51F-1 engines.
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F-X2: Brazils Saab Contract for Gripens a Done Deal". Defense Industry Daily . Retrieved 19 July 2021. Cooling System Problems: Cooling system issues, such as coolant leaks or failures in the water pump, have been reported by some N57 owners. RU 2614871,"Грузовой отсек самолета (Aircraft cargo hold)",published 24 June 2015,issued 10 January 2017 Adding a supercharger or additional turbo will make large bhp gains, although harder to get working. We have this feature on twinchargers if you want to read more. Fuelling mods for the N57
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