Board Thread:Homebrew/@comment-31223609-20170206065827/@comment-27029853-20171013173831

Creating synergies between the E-Wing and any R7 astromech (including R7-T1 and the generic R7 Astromech) is a flavourful idea. If you look into the lore there was even some drawbacks to how they were designed to work together if you want to explore that route (it also generally gets around fixing the E-Wing without making Corran Horn too powerful since he's generally welded to R2-D2 )