Realistically, the Boeing 777X is a response to the rise of Airbus's own modern long-haul widebody twinjet, the A350. After ...

Jet engines have become bigger and bigger since they were first developed in the 1940s. Why do modern jets have such big engines and what are the advantages?

The world's largest producer of jet engines, including for Boeing, is a joint venture called CFM. The two entities behind CFM are General Electric and the French manufacturer Safran.

The conversion process to find what a jet engine's shaft power would be is surprisingly simple. Multiply the jet's thrust, which is pounds-force (lbf), by the airspeed of the aircraft.