I'll definitely be watching this thread with interest! I've also bought this kit recently (second-hand); it'll be my first attempt at building a "proper" R/C (as opposed to a kitbashed ready-to-run model, like my current USCG Island-class cutter build) warship. I plan to start it fairly soon, once the aforementioned USCG cutter is finished.
Your model certainly looks great on the water, it has a very realistic-looking wake and bow wave!
If you haven't already found it, you might be interested to check out the
Aberdeen Ships website which has the original plans of several of the Round Table-class ships, including Sir Kay, free to download.
You could also try looking at photos of Mountfleet Models' larger (1/32) kit of
HMS Sir Lancelot, though this ship has numerous differences to Sir Kay, it's equipped as a conventional minesweeper with paravanes, rather than an acoustic and influence sweeper.
I have a question of my own: Anyone know if there are any archive photos in existence showing these ships painted in "Western Approaches" camouflage? I've seen several models painted this way, and would like to do the same with my build, but can't find any photos of the real thing for reference (plenty of photos of other armed trawler classes in camo, but not Round Table ones!)