Carbon fiber composites aren't a new thing in jet engine fan blades, including GE Aviation's. But every so often GE engineers have to redesign them to take advantage of advances in carbon composite ...

Billed as the largest and most powerful jet engine in the world, the UltraFan has a 140-in (356-cm) fan and can produce 64 MW of power. In static tests, it has generated a maximum thrust of over ...

The blade is being flown on a private jet to undergo examination Tuesday. One of the fan blades that was fractured in the Pratt and Whitney engine that failed during United Airlines Flight 328 showed ...