Buff upgrade

[rigpiggy]

Originally Posted by ORAC

That would mean a total pylon/ wing redesign along with hydraulics, electrics etc along with flight testing for engine out performance etc.

They opted for swap 8 for 8 to minimise the changes required.

https://theaviationist.com/2022/09/2...nacelles-test/

https://www.airandspaceforces.com/ar...-for-the-b-52/

While USAF once considered four large-fan commercial engines instead, it stuck with eight to avoid substantial redesign of the wing, cockpit, and other components, and to minimize risk and delay.

believe many eons ago they were offered jt8-219s for reengine. Too expensive, gas is cheap.