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NBAA: Falcon 5X faces delays as Silvercrest hits new problem

Posted 10 October 2017 · Add Comment

Dassault's Falcon 5X is facing new delays following further problems with the Safran Silvercrest engine.


Speaking at the NBAA show in Las Vegas today, Dassault chairman Eric Trappier said the manufacturer had just been informed of new performance issues by the French engine maker.
Development problems with Silvercrest engine already forced Dassault to delay the entry into service of the 5X to 2020, and the new issue will push that schedule further back.
The Silvercrest's high-pressure compressor features an axial-centrifugal architecture, which is rare for aviation gas turbines in the 10,000-12,000lb-thrust power range. It is a common architecture for engines in thrust classes below about 5,000lb-thrust.
Safran launched the Silvercrest nearly a decade ago and eventually secured positions in the 5X and Textron Aviation's Cessna Citation Longitude. The previous delay announced for the Silvercrest coincided with a broader revamp of the Longitude programme, and Textron dropped the Silvercrest in favor of the less-powerful Honeywell HTF7000 turbofan.
Despite the Silvercrest issue, Dassault continues to develop and test the 5X. Since first flight on 5 July, the 5X test aircraft has built up 50 hours in flight, with testing focused on basic handling and systems performance, Trappier says.
 

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