Cheating again…
Mast construction.
Laser cut main top fit is so good, no glue in that picture.
Believe me, I’m not taking credit. Put the numbers in my toaster oven, and it did all the work.
I just scaled up the weight from my video. Its only about 18.9 pounds in scale.
I'll put a whole gallon on there tomorrow and try to raise it. That'll be 10 stone.
Updates:
Spiling done. Anchors, swivel gun brackets soldered and balanced, decking (with scrollwork that is on the plan - I guess that is broadside reinforement???)