morrisond wrote:It would simply be another variant in the same family. So I do not get why any of this is a huge issue.Exactly. This will not be a cheap derivative.
When has someone built a custom length freighter that did not have a passenger equivalent?
A 777xF has always been baked into the program and I would assume the same for an 787F at some point. Those eventual versions would have been taken into consideration in the base designs, just like any manufacturer would.
The 777X will get past its issues and there is no reason an 777xF couldn't come by 2025/2026. However they don't really need it yet either. Even with higher fuel burn I'm sure Boeing will be able to price 777F keenly enough that 350F or 777xF won't garner many sales until customers have to buy them.
We can't forget Calhoun's comment either when he said that they may be able to produce the 777F past the new emissions target date. Boeing's big 77F customers may just be telling them that they would just prefer to keep taking 77F.
It is going to be similar to the -1000 which does not need to sell big numbers for it to make sense because the entire program is anchored to a -900 that will see more than 1000 by the time they need to re-engine.