Re: (Another) little cutter I quite like.
Have a look at the book, "Seaworthiness, The Forgotten Factor", by C.A. Marchaj. It's more than I need in technical detail but it has good discussions of the behaviour of light or heavy, deep & narrow, shallow and wide, boats.
Old Joke: A bench fitter works to the nearest thousandth of an inch. A loco fitter (steam) works to the nearest inch. A shipwright works to the nearest ship.
Alan Byde, Canoe Design and Construction, Pelham Books, 1978
...old maxim, 'A fair line supersedes any given measurement'.
Allan H. Vaitses, Lofting, International Marine, 1980