Hi--I just finished this ship in May and wish you lots of fun and interesting challenges. Just be aware that the plan book is totally useless and if you follow it you will have huge issues. I ignored it. Also, the plans are pretty bad and inconsistent from sheet to sheet so you really have to do some out of the box thinking and planning (which clearly you are doing with the cool lighting work).
A couple of other thoughts:
1. Yes, definitely do your own stern windows and the lighting will make things amazing.
2. When you do the mast work, be aware that the lubber hole openings in the little discs they provide are way too small and unless you enlarge them you can't get lines through them.
3. The kinds of things you have to check that you never thought you did--the flags are bigger than the dimensions of the top masts they provide so check all that before you make the masts.
4. I'm sure I'll think of other things and let you know!
Overall warning--I've done the Mantua Sergal Victory, Soleiel Royal and Sovereign of the Seas and thought the SoS was the worst in terms of plans, materials and concept, so it definitely deserves a good bashing because there are lots of ways you can make it better!
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