Originally Posted by
Old Fella
Why would Engine type fitted to a B767-300ER have any influence on whether or not winglets could be fitted? Could it be that the RR has a better SFC that the GE or P&W powerplants and it is not cost effective to mod the airframe if fitted with RR's?
No, its all about the heavier Rolls Royce RB211 524G/H engine and wing loading effect which if with W/L added on causes a structural load issue and is not an economical fix or not even a feasible fix - hence BA cannot offload their fleet as resale value is poor due no retrofit possibility
- a pal at BA told me