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Why weren't Boeing choosing other engines for 772LR/773ER?
Why weren't Boeing choosing other engines for 772LR/773ER?
I'm just interested in why Boeing selected GE as the sole engine supplier for the longer range 777s and 747ER. Trent is developing some powerful Trent 800s (Trent 8104, though is a little bit below GE's -110B1), and as well Trent 600s for later 747s, but why Boeing does not choose them?
Thanks for any replies.
Firstly, Rolls Royce and Pratt&Whitney engines are available on the B744ER, it's just that no one has selected them.
As for the longer-range 777s, I think that having one type of engine to power the aircraft isn't doing wonders for sales. Not all airlines want a GE-powered plane because maybe there are no other planes in their fleet powered by GE's. You say a new higher-thrust Trent 800 is under development, well I reckon that this new engine will be an option for the new 777s when they become available.
It's the similar case with the new A345 and A346, they are solely powered by Trent 500 engines. Even the A342 and A343s ONLY come with CFM engines.
My opinion, I think that this is some sort of a contract between plane and jet manufacturers where the best proposal is selected to power the aircraft. It may be part of the contract which entails that only such and such an engine can be fitted to this aircraft or it may just be that other manufacturers have yet to release their engines for the aircraft. Remember, in the first years of the 747, PW engines were the only engines available. Eventually, GE and RR arrived on the wings of the 747.
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