working on my shellback, and up to forming the spars. for the mast, as per the plans I took a very large piece of spruce and cut it to 10 foot x 2 inches x 4 inches and then epoxied it together to form a piece of wood 4 inch square and ten feet in length. the plans say to snap a chalk line to find the center lengthwise and then measure in three places to get the diameters of mast, and then use battens to scribe the outline of the mast. here's the question; how do you cut a long curve in a 4 inch thick piece of wood unless you have something larger than a 9 inch bandsaw? by hand, plane, table saw ( can that cut curves in a 4 inch thick piece of wood?). I've never used a table saw without using a fence.