I'v made 4 versions of this boat Curlew, I did one at 75% of original, 125%, 150% and now I'm in the process of making one at 200%, plus the original size.
I've made quite a few of these models using cardboard as used by photographers, and then skinned in Balsa plus tissue and dope, so they are sealed from the effects of water. The twice normal size is being made from plywood and balsa wood, I'm also doing a Tortola sloop, I havent seen any drawings other than a line drawing which I got from the magazine and enlarged, so the model is roughly 27 inches in length and 8 inches beam. I've fitted a motor but it will have sails as per original. Not sure about the deck layout so I have employed modellers licence, not having a proper drawing. it has balsa planks on bulkheads which are plywood as is the keel. I'll post a photo of the two boats....as I am working on each one doing a bit at a time. One thing I found with the Eezibilt models was the keels always seemed not deep enough. So I used to add a little...