Complete plans and building instructions for a smart day-sailer of 20 feet waterline and 27 feet overall
by William F. Crosby
After a considerable amount of thought it has been decided to present the complete plans for the little boat shown on these pages. Unlike most RUDDER designs, she is a round-bottom boat as there has been a distinct demand for such a craft. There is a possibility that she might develop into a good one-design racing class but this will come later if enough builders become interested. We feel that there are too many small one-design classes and not enough larger ones and this boat has been designed as a sort of in-between proposition. She is larger than a Star, smaller than an Atlantic or International and is decidedly not a cruising boat. The Coastwise Cruisers, Week-Enders and dozens of other types of cruising class boats will take care of that end. This boat is essentially an afternoon sailer and while she is shown with a little cuddy forward, we honestly feel that she would be better with simply a large open cockpit. There is no galley, ice box or toilet as all these things cost money and she has been designed primarily to get the most boat and most sailing for the least possible amount of money. She carries a modern cutter rig and will sport a decent sized mainsail and overlapping jib in most instances. In addition the plans will subsequently show a parachute spinnaker and a working jib, the latter for use when jogging around and not racing. The cuddy will make a good place to keep light sails and the forward hatch should permit easy passing of the spinnaker in stops. Her total weight will be approximately 4,400 pounds of which about 900 pounds will be in the lead keel leaving around 300 pounds for inside trimming ballast. Her length overall is 27 feet and she is 20 feet on the waterline. Beam is 8 feet and the extreme draft with the board up is 2 feet 6 inches. With the board down it would come to about 5 feet 9 inches. The board is pivoted so that it will come up if it strikes an obstruction. The board will be made of half inch galvanized iron and will weigh about 220 pounds but a simple arrangement will make it possible to raise and lower the board without any great difficulty. The rig should be of stainless steel throughout. There is a single jumper strut and stay on the forward side of the mast with a permanent backstay to the transom. In addition she will have runner backstays to the deck on each side. The spreader and shroud arrangement will be very much like the rig of the National One-design which has proven exceptionally good.
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