gabblygook, at least in the context of selling an O'Day Mariner.

M.O.R.C. self righting requirements
Hull Speed

And, for a 19' sailboat, what do you make of the following?
Disp./Length 104
Sail Area/Disp 24.8
Length/Beam 2.53

Specifically, it is an ODay Mariner.

Thanks