[![enter image description here][1]][1]

[*Source*][2]

The unsteadiness and temperature of the exhaust from the under wing jets will greatly reduce the performance or even stall the jet engines mounted on the aft fuselage walls.


  [1]: https://i.sstatic.net/mkUvt.png
  [2]: http://rsta.royalsocietypublishing.org/content/372/2022/20130325