A closer look at modern Rolls-Royce & Pratt & Whitney jetliner engines.

If you’ve ever watched or been on an aircraft sitting on the runway, you might notice the engines begin to hum and spin just before the plane moves. This process is called spooling up, and it’s a ...

As expected, the marketing and rhetoric surrounding the favoured dual-spool turbofan engine for the re-engined and next generation single-aisle commercial aircraft heated up along with the ...