Russia's KRET to design MC-21 fuel-test rig

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Fuel-system testing for the Irkut MC-21 twinjet is to be conducted on a rig to be designed and built by a division of Russian radio-electronic technology firm KRET.

The company has secured a deal to design the testing rig which will allow the MC-21’s fuel architecture to by optimised and enable any problems to be addressed early.

KRET says that, in the past, fuel systems were analysed during flight testing, making major changes to the design “difficult or perhaps impossible”.

The rig will be in place before the end of the first quarter of 2015, it adds. It will replicate flight conditions such as pitch and wing deflection, as well as low temperature and pressure, and allow assessment of component resilience.

KRET deputy director general for strategic planning Andrei Tyulin says he believes the system will be considered by designers of future aircraft types such as the next iteration of the Sukhoi Superjet.