Heart of Silver

RSS

It’s a been a good NBAA show for Snecma and the 11,000 lb thrust Silvercrest which, after years of rumors, was officially named as the powerplant for Dassault’s Falcon 5X. The engine is being prepared for the start of flight tests which are due to start in December on a specially modified Gulfstream II flying testbed. Well displayed on this cutaway mock-up of the engine here at NBAA was the Silvercrest’s 42.5-inch diameter, swept, wide-chord fan.

blog post photo

(GuyNorris)

The model also clearly displayed the engine’s four-stage axial blisked and single centrifugal impeller stage high pressure compressor, used to save weight and reduce part count. Using architectural features first tested during the CFM56 ‘Tech56’ technology development program, the high-pressure and low-pressure spools are contra-rotating to boost efficiency.

blog post photo

Impeller to right in this view of HPC

(Guy Norris)

Please or Register to post comments.

What's Things With Wings?

Aviation Week's civil aviation blog

A Century of Aviation Week

Aviation Week & Space Technology celebrated its 100th anniversary in 2016. In a series of blogs, our editors highlight editorial content from the magazine's long and rich history.

 

Dec 9, 2016
Article

John Glenn's 1962 Mercury Pilot Report For Aviation Week 25

In 1962, John Glenn wrote a detailed pilot report for Aviation Week after his historic and harrowing flight in Mercury’s Friendship 7....More
Blog Archive
Penton Corporate

Sponsored Introduction Continue on to (or wait seconds) ×