The last Knox I landed on was Ainsworth. 85/86. Med.
Before that, I spent a short while on the W.S. Sims before our squadron assigned me to a different det on a SpruCan
While the QOL on a SpruCan was better, I found the winds around the aft end of a Knox a lot less turbulent, which made for a smoother end game during night landings.
FFG 1's and Garcia class Frigates, and for that matter, FFG 7's ... not so fond of them.
Best wishes on getting that Knox frigate back to this side of the pond.
As to single engine performance, (the topic of this thread) with T-700's and the new gear box, I am pretty sure the single engine stats on the G would have been awesome. Never got to fly it.