RIGGING PLAN   The general plan I followed was that depicted in a plate in Volume 3 of David Steel’s Elements and Practice of Rigging, Seamanship, and Naval Tactics. One advantage of this (i.e. not having a squaresail or topgallant) is that it leaves the model more open and lighter in appearance, as well as making it look (to my eyes) speedier.     In addition, and after the lengthy discussion about the horse for the staysail, I adopted the style of horse used on the model of the Diligen