I think you overestimate the complexity of the question. My guess if that if you say "with sails" you'll be just fine. "Complicated", "extremely time consuming to model", or "enough to make George Campbell take a drink" would probably do as well.
That site was destroyed in a hack attack some years back, so much so that all previous records of posts were lost. This was particularly painful; as one of the founders, and a great wit, had died and his ruminations went with the rest of the data.
The point is that the site mods will read your application, and as they prize a little humor, a good response will be appreciated.
Good luck, and we'll be happy to see you on board.
I go by a different name there, which you'll figure out if you join.
EDIT: Hmm, looks like the format has changed. Let me see what I can figure out
EDIT 2.0: She was square rigged.
EDIT 3.0: I'm with Mr. Tilley- a chance for a good wisecrack is always welcome!