First MC-21-310 with PD-14 engines was recently assembled, and will be tested and controled soon, at first on the ground and after during the flight
Irkout Corporation finished the construction of the first prototype of the MC-21-310 with turbofan PD-14 (created by Russian company Aviadvigatel). The aircraft was transferred at November 6th to the flight test department of the Irkutsk Aviation Plant, a subsidiary of Irkout Corporation. « The upcoming testing of the MC-21 with domestic engines is a historic event, a clear confirmation that the domestic civil aircraft industry has a strong future. » declared Anatoly Serdyukov, Irkout Company is owned by Russian consortium UAC (United Aircraft Corporation)
To the flight tests
In preparation of the first flight test, technicians will check avionics’s systems ; test, on the ground, his Auxiliary Power Unit (APU) and the aircraft and his motors. This MC-21-300 is the fifth to be used for flight tests, and the first with turbobans PD-14, which explains aircraft’s name : MC-21-310, and not 300
Titanium wide blade blower
A conventional (non-reduced) twin-body turbofan engine, the PD-14 has a moderate bypass ratio of 8.5 to 1. The hot section of the PD-14's gas generator consists of an eight-stage compressor with a compression ratio of 17 to 1, an annular combustor and a two-stage turbine. The cold section consists of a single-stage fan, a three-stage low-pressure compressor, a six-stage low-pressure turbine. But the key feature that is new technology on the PD14 is the adoption of a fan with wide, hollow titanium blades.