![Engine spool ups) 747 engine competition: Rolls Royce RB211-524G vs General Electric CF6-80C2-B1F - YouTube Engine spool ups) 747 engine competition: Rolls Royce RB211-524G vs General Electric CF6-80C2-B1F - YouTube](https://i.ytimg.com/vi/8-o29n2s-I4/maxresdefault.jpg)
Engine spool ups) 747 engine competition: Rolls Royce RB211-524G vs General Electric CF6-80C2-B1F - YouTube
![Rolls Royce Engines, Boeing 747, Jet Aircraft Maintenance, Cardiff International Airport, Rhoose, Vale of Glamorgan, South Wales Stock Photo - Alamy Rolls Royce Engines, Boeing 747, Jet Aircraft Maintenance, Cardiff International Airport, Rhoose, Vale of Glamorgan, South Wales Stock Photo - Alamy](https://c8.alamy.com/comp/A6X0YC/rolls-royce-engines-boeing-747-jet-aircraft-maintenance-cardiff-international-A6X0YC.jpg)
Rolls Royce Engines, Boeing 747, Jet Aircraft Maintenance, Cardiff International Airport, Rhoose, Vale of Glamorgan, South Wales Stock Photo - Alamy
![The Rolls Royce Boeing 747-267B testbed used to test the Trent 1000 engine (N787RR) at KTUS back in July : r/aviation The Rolls Royce Boeing 747-267B testbed used to test the Trent 1000 engine (N787RR) at KTUS back in July : r/aviation](https://preview.redd.it/6kjtk9nrirr41.jpg?auto=webp&s=01a67fe7a5b43ca67b76c86368554afe27be97d0)