The difficult fate of the IL-96-400: the plane remains on the ground
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Problems with IL-96 began at the design stage. For the new liner a completely new engine was planned. The design bureau of Heinrich Novozhilov, which was engaged in the design of the IL-96, ordered the power plant to an experienced design bureau of Nikolai Kuznetsov. According to the plans, the engine should have a take-off 18 tonnes and work on it started in 1979 year.
The new engine was developed on the basis of the gas generator from NK-25 (turbojet engine mounted on the Tu-22М3). By the middle of the 80-s, the experienced NK-56 engines had already been in operation for more than three thousand hours and confirmed the expected performance. But, as they say, it began ...
Minister aviation USSR industry suddenly demanded to underestimate the requirements for engine take-off thrust to 16 tons. Thus, in total, the aircraft lost 8 tons of thrust, which could not but affect the characteristics of the created liner.
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