Engines
GE9X Speeds Toward Latest ‘Toll Gate’
The new GE90 for the Boeing 777X will be 10 percent more efficient than current models, thanks to new materials currently under test.
GE is currently testing it ceramic matrix composites technology in GEnx size engine, shown.
GE is currently testing it ceramic matrix composites technology in GEnx size engine, shown.

Development of the GE9X turbofan for Boeing’s new 777X widebody has shown no sign of slowing, as engineers at GE Aviation (Chalet 142) prepare the all-new 100,000-pound-thrust-class behemoth for what the company calls Toll Gate 6.