The large front fan accelerates a high mass flow of air; most bypasses the core and produces the majority of cruise thrust.
Active journey stageCapture and diffuse inlet air
1/8The nacelle inlet presents uniform flow to the spinner and fan while minimizing distortion and drag.
StateAmbient air is guided into the fan face.
Engineering authenticityFunctional architecture
DETAILA high-bypass turbofan uses hollow or composite wide-chord blades mounted to a fan disk. Blade twist and swept tips control incidence from hub to tip while the spinner smooths inlet flow.
Major components
Representative parameters
bypass ratio ~9–12:1fan diameter ~3 m classtip speed transonic