#engines

Innovation

CFM RISE: where does the open fan engine stand?

With its RISE programme, CFM International is targeting fuel burn more than 20% lower than today's engines thanks to an open fan. A progress report on an architecture that breaks with forty years of nacelles.

12 September 2026

How it works

How does a turbofan engine work?

Suck, squeeze, bang, blow: an airliner's engine relies on a simple cycle applied to a very large mass of air. A step-by-step explanation of the turbofan, the engine fitted to almost every airliner.

8 September 2026