You gotta love the simplicity and brute strength of Chris Morejohns bluewater sharpies. The Bolgeresque 31 advanced sharpie we owned for 5 years was of similar shape but had radically reduced scantlings compared to the CM sharpies.
The above sharpie scan buoys me when my wife rails on me about packing my old sharpies two chinese lugsails down here to Mexico. "You're never going to do anything with them.... they're just collecting dust. Why can't I use one for a nice patio wind break?" Like asking a guy if his winchester rifle can be used for a door prop. Sooner or later I mean to use these sails again and I have the full running rigging to boot.
Sorry.... back to badass bluewater sharpies. For example our chine log was simple 1.25" X 1.25" stock, the walls a single layer of 1/2" ply, and the deck a layer of the same 1.25" square stock edge glued and nailed and covered by fabric. The bottom was tough though: three layers of 1/2" with 1/4" copper plates amidships (thinning fore and aft).
|Luna 31 AS variant dried out|
But not a boat to feel comfortable in out in the wild blue in a gale. It had no stringers or ribs to speak of. The designer-builder, Dave Zeiger, did a super job for what she was designed for, archipelago cruising in Alaska.
|Chris Morejohns sharpie scantlings|
Over on Chrises great blog site he mentions that when his boats settle down and dry out on a tide they make no creaking sounds at all. He's gone to windward in big ocean chop with few problems, for days at a time. He has proven that a box hull, stoutly built, is entirely bluewater able.
|15' sharpie "Little Cruiser"|