Sail Boat Plans

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Zipper a Fast 20 ft Plywood Racing Scow (Pub. No. 5607)

by Dave Hammell and Sam Rabl

"Zipper" will pass anything of her inches, and her hull represents new development, having four chines in lieu of the conventional two. The shape of the bottom is a development of true streamline flow, the brain child of Dave Hammell of M.I.T., whose graduates in naval architecture have made names for themselves all over the world.

11 pages, 3 plate(s)

Build a Lightning Class Racing Sloop (Pub. No. 5613)

The Lightning Class was originated with the idea that a small, inexpensive yacht could be developed to serve both as a safe, comfortable day sailer and as a fast, hard-driving racer with performance equal to, or better than much larger craft. It was also necessary. to create a boat that could be inexpensively built, both by professionals and amateurs. The designing job was submitted to one of the foremost firms of naval architects in the country, who had designed everything from dinghies to the Ranger, America Cup Racer. Result was the 19-foot Lightning, and in her trials at Skaneateles, N. Y., she proved herself a fine boat in all respects, and well worthy of her famous designers.  The Lightning is simple in construction, and hence easily within the scope of the averaee amateur builder, even of limited experience.

28 pages, 4 plate(s)

Little Mae Too a Moth Class Sailboat (Pub. No. 5614)

by Roger Gintling

The joy and pleasure of sailing can be more than doubled by racing your sailboat; this is, if you have a boat built for racing. The little boat described in this article will more than fill the desire for additional pleasures derived from water sports. In general, there are two kinds of sailboat racing; class racing and handicap racing. Class racing is further divided into onedesign and restricted classes. The Moth class is a restricted class, that is, while some of the sizes are restricted, the designer and builder are free to use their own ideas on the other dimensions. In the Moth class, the size and shape of the sail is restricted, but the hull can take any shape within eleven feet overall. The idea of this is to develop better hull forms, and as you travel around to regattas, you will see some queer ones.

12 pages, 3 plate(s)

Sandy--A Double-Ended 18 ft. Sharpie (Pub. No. 5615)

Down on Chesapeake Bay these sharpies have the reputation of being “slippery as an eel.” The reason is apparent, for the hull form resembles closely that of the ultra-modern 110 and 210 class boats and the spritsail rig has the tall luff and short base of up-to-date sail plans. Simplicity is the keynote of this design. That means easy and cheap building with subsequent low upkeep.

8 pages, 6 plate(s)

Dolphin--A 24 ft Motor Sailer (Pub. No. 5616)

by William Jackson

"Dolphin" belongs to that class of small boats termed a motor sailer. Twentyfour feet over all is probably the minimum for an efficient motor sailer, but due to ample beam and depth "Dolphin" has accommodations equal to much larger craft. She will cruise three persons comfortably and four without crowding. Construction is adequate without being cumbersome—a unique cabin design adds strength and presents a trim, attractive deck plan. while considerable flare in the topsides not only promises greater reserve stability but insures a dry boat. Below the waterline she has an easy entrance and clean run resulting in an easily driven hull.  A distinct advantage of this type of boat is its performance under both sail and power. As good sailing is possible only about 40% of the time in many localities a motor will propel "Dolphin" at fair speeds despite the tides and foul weather If desired, the sailing rig may be omitted and the craft used as an all weather cruiser, or, if the pilot deck plan does not appeal, a conventional deck as indicated in alternate plan can be adopted.

20 pages, 7 plate(s)

Confucius--A 17-ft Auxiliary Sloop (Pub. No. 5617)

Plans for a famous 17-foot auxiliary sloop that crossed the Pacific

by Capt. Charles Borden

"Seventeen feet long with a six foot beam, "Confucius" is a Marconi rig sloop built entirely of teak, camphor wood and bagac, in Hong Kong, China, where these woods were very cheap. For two years my wife, Rosalie and I sailed about the Pacific in Confucius during which time it was our only home; we cruised over 7,000 sea miles. Fast in light winds and capable in any weather we found Confucius to be a safe and comfortable little cruiser at all times."--Capt. Borden

20 pages, 6 plate(s)

Portable Ice Boat, A (Pub. No. 5620)

You can carry this ice boat on the roof of your car, and assemble it at the lake. It's fast and safe under sail.

The ice boat described in this article was designed to be transported on top of an automobile using a regular boat-carrier. It also provides a winter use of small dinghy and canoe type sails and rigs. The weight of the boat does not exceed seventy-fve pounds. It steers from the rear, and the cockpit is roomy enough fo the average man or boy. Safe load capacity is 250 pounds.  The material required is low in cost, easy to secure and with the one exception of welding the steering rod to the steering plate the work can be done in the average home workshop.

4 pages, 1 plate(s)

Quad--A 4-Runner Ice Boat (Pub. No. 5621)

by J.J. Fanta

Those whose interest in building, a four-runner ice boat has kept apace with constant improvements, will find "Quad" just what they had wanted to build and sail.  "Quad" is the near-ultimate of its type, with increased efficiency throughout. Although not as tippy as other types, the four-runner craft hikes safely without throwing the design out of balance. The four-cornered hull prevents the sail’s tilting forward or backward, when heeling; while hiking is lessened by hull precision. Rigid truss-type runner-beams improve the steering functions of this 16’-9”-foot craft. Whereas resilient, springy runner-planks vary the runner adjustment by flexing, rigid runner beams maintain true steering alignment. Riding comfort is provided by mounting the four runners in balanced spring-action units. Steering is by remote control with a wheel in the cockpit operating another forward, which is connected to the rudder-runners with tie-rods. Spreading 75 square feet of sail, this is a single-seated craft for racing in Class E or Skeeter events. "Quad" is light and fast, weighing 290 pounds.

10 pages, 6 plate(s)

14' Sailing Dinghy and How to Build It, A (Pub. No. 5647)

(A full-keel "dinghy")

Reprinted from "The Boy's Own Book of Boats"

by D.F. McLachlan

Those boys who live on or near the sea-coast must have from time to time looked with delight at the numerous small handy sailing-yachts, which, steered by their owners, are constantly cruising about our firths and estuaries, and visiting the various watering-places and shipping towns round our British coasts.  Of late years small-boat sailing has secured a great hold among those who take an interest in yachting, and nothing has done more to effect this than the sailing dinghy, besides placing practical yachting within the reach of those whose limited incomes would otherwise have prevented them taking any interest in it.  A boat such as I am about to describe has all the advantages of the open boat, combined with the buoyancy and safety of the decked yacht. She will sail fast and tramp to windward like a one-rater, besides being about as handy a boat as anyone could wish for single-handed sailing; and for a coasting trip is far before an open boat or a canoe yawl.  Her length is 14 ft., and with a beam of 5 ft., which gives great stability, and a depth of 3 ft. 6 in., drawing about 2 ft. 6 in. of water, which allows her to enter most harbours even at low water.

23 pages

10' Sailing Skiff and How to Build It, A (Pub. No. 5648)

Reprinted from "The Boy's Own Paper"

by D.F. McLachlan

Boat-sailing, especially in the small classes, has of late become very popular, and nothing has done more towards this than the introduction of the small centreboard skiff. She is very light, and can be easily beached after every trip, thus doing away with the necessity of moorings, etc. Her light weight also makes her an ideal pulling boat.  This type of boat has now been in vogue for many years on the Clyde and west coast of Scotland, and its weatherly qualities are there well known. The great advantage of the skiff—as any Argylishire fisherman will tell you—lies in the fact that as long as a bit of a sail can be kept on them they will go to windward.  In designing a boat for readers of this handbook, this has all been thought out, and I think I car safely say that, with air-cases aboard, you have got as seaworthy and handy a boat of her size as it is possible to get.

24 pages

14' Sailing Sharpie and How to Build It, A (Pub. No. 5650)

by D.F. McLachlan

Reprinted from "The Boy's Own Paper"

To those who take an interest in boat-sailing, and who seek their pleasure on the water, there is no type of craft more admirably suited for their purpose than the sailing sharpie.  A boat of this type, with her heavy centre plate lowered, has enormous stability, which allows of her carrying a sail-spread that will drive her to windward like a bulb finner; and at the same time, for running with the wind or river cruising, her shallow draught with plate raised makes her an ideal craft. >From stem to stern the boat now designed for our readers measures 14 ft., with a beam of 6 ft. 6 in., and a depth of 1 ft. 9 in., which will give a draught of 8 in. with the plate up for running, and 3 ft. when the plate is lowered for beating to windward.

20 pages

How to Build the Boy's Own Sailing Skiff (Pub. No. 5651)

(A Classic Thames Sailing Skiff."Boy's Own" was an English magazine.)

by F.H. Hobden

For many reasons, winter seems the best time for amateur boatbuilding; you have the advantage of working more comfortably in cool weather, and then, when the hot summer time comes, you have a chance of thoroughly enjoying it, as your boat is ready for use.  In designing a boat there are many things to bear in mind. I intend giving you here the lines of a skiff which can safely carry four persons, and can also be easily rowed by one, and is moreover capable of carrying a small sail to take you over the tide when the wind is fair (that is, on the quarter or dead aft). She is not intended for a sailing-boat, viz. one capable of sailing on a wind; as those who have had any experience in sailing know well, a shallow-draught boat with but little keel is not suitable for sailing with a head wind, but will blow away to leeward like a paper bag.  Up the river, however, with a fair breeze, if you can stick up a small sail, it will often save you a long row, and that is a consideration in the hot weather

24 pages

12' Centreboard Dinghy and How to Build It, A (Pub. No. 5652)

by D.F. McLachlan

Reprinted from "The Boy's Own Paper."

Centreboard sailing dinghies have of late years become very popular, and it is hardly possible on a summer day to visit any of our coast towns without seeing a few of these handy, able little boats. The designing and building of these little clippers have now reached a state of perfection, and their popularity is easily seen by the number of races which are held, for it is surprising the speed that can be got from a boat twelve feet in length.  This boat is a typical Clyde dinghy, and rigged with a standing lug—the best sail, in the writer’s opinion, for all-round work.

28 pages

How to Build Su-Lu--A 10' Sailing Dinghy (Pub. No. 5662)

This light and sturdy little dinghy is actually a 10-ft. model of a Navy PT hull, that is, with adaptations to the materials used and to the limitations of a home workshop. “Su-Lu” can accommodate four adults and is light enough for one person to put on top of a car. The “skin” is merely two layers of 1/8-in. plywood with muslin between, laid over a frame of spruce battens. The result is a rigid, strong but very light shell. The transom is built to take an outboard motor, and a mast step and centerboard trunk are provided for sailing purposes. Oarlocks and sockets also may be provided, though not shown on this model.

19 pages, 7 plate(s)

How to Build Solution--A 16' Sailing Scow (Pub. No. 5663)

Designed especially for those who want a practical, unpretentious sailboat which is easily and quickly built at low cost, Solution is simply a scow with hull refinements that enable it to carry a 21½-ft. stepped mast and about 140 sq. ft. of sail. The plywood bottom curves in a long, unbroken sweep from the stem block to the transom, while the sides curve out to the beam width back of midships and then fair in to the transom in a smooth, fiat curve. Because of these construction refinements, the hull rides easily and planes smoothly when you pick up a good breeze on the long reach of the tack. The unbroken curve at the gunwale adds to its trim, seaworthy appearance.

8 pages, 4 plate(s)

Sailski--A 27' Racing Catamaran (Pub. No. 5666)

by L. Francis Herreshoff

This 27 ft. long racing catamaran was designed for those who seek high speed on the water under sail.

"Several readers of THE RUDDER have asked for the design of a sailing machine, and most of them have requested that it be cheap to construct. Now it is good fun to design a sailing machine, but to plan one which is simple and cheap to construct is really a most difficult matter. If this were not so there would have been many in the past, but so far none has been produced which was really fast, simple and cheap. In fact, the successful catamaran of the past has cost as much or more than the usual sailboat of the same sail area although they were often of one-quarter or less the weight of the sailboat. Much of the expense of the catamaran heretofore has gone into building a structure that would support a central sail plan between the two hulls. This has always proved complicated and expensive, so that in the design of the Sailski a radically different scheme or arrangement has been adopted.  The principal feature is that the sail plan is supported in all directions by a tripod which has the base of its legs near neutral axes, so when the hulls pitch, the rig and framework will not be strained. Therefore it is believed that the design of the "Sailski" is a very simple solution of a complex problem."--L. Francis Herreshoff

24 pages, 7 plate(s)

Build the Famous Seabird (Pub. No. 5667)

. . . .a comfortable, seaworthy cruiser of moderate draft. The original sailed from New York to Rome.

Reprinted from Rudder

"Sea Bird", herself, needs little introduction to the yachtsmen of the world as her record is well-known and her name will echo down the corridors of time for many years to come. We will therefore dispense with any unnecessary palaver and get down to business. In the first place, "Sea Bird" is designed primarily for the professional builder but, as already stated, a great many duplicates have been built with considerable success by amateurs. If you are handy with tools and know a little something about boat building, you ought to be able to complete her, but if you have had little or no experience on the subject, consider something simpler to start off with; a dinghy for instance. If you want to take this on, do take a look at How to Build a Cruising Yawl, our publication  4912 which has Seabird plus three of its variations.

28 pages, 6 plate(s)

Trade Winds--A 26' Sloop (Pub. No. 5668)

by S.S. Crocker

This twenty-six-foot sloop has really proven herself as an able and attractive small cruiser.

Reprinted from Rudder

The "Trade Winds" was designed to provide an able small cruising boat with good accommodations for two people and decent cockpit space for a larger party sailing daytimes. The clipper bow model was chosen not only because it is a good seagoing type, but because of late this attractive feature has been again coming into popularity and many small boat sailors have been asking for it.  One of this model has been built, and having undergone many trials has proved herself all the designer expected. She is stiff, will carry her sail well and will plug along under power efficiently. The Trade Winds is not to be undertaken by the rank amateur, but anyone who really likes her can always take the plans to a boat builder for a quotation. She should be easy to construct and the specifications give all the necessary information.

8 pages, 5 plate(s)

Windmill--A 151/2 Ft. One-Design (Pub. No. 5694)

by W.P. McMillen

One of the hottest of the one-design sailing classes to come off a drawing board in recent years is the Windmill Sloop. Classy, strong, ultra-lightweight, low in cost, simple to build, and extremely fast, these are only a few accurate descriptions of the boat. With a sail area of only 119 sq. ft., 56-inch beam, and a LOA of 15½ feet, she’ll outsail any single-hulled craft of similar size and sail area—and stay drier than most while doing it!  Designed especially for the home-builder by Clark W. Mills of Clearwater, Fla., the Windmill was first introduced in 1953. The boat proved suitable for both the teen-age set and the mature sailor as well. Now the class has spread over 27 states, and is also represented in Cuba and Guatemala, C. A.  Over half of the Windmills in existence have been home-built, many by youngsters with only a rudimentary knowledge of shop. Much of the Windmill’s hardware can be made at home with tin-snips and an electric drill.

8 pages, 3 plate(s)

How to build a Motor Ice Boat (Pub. No. 5697)

by Charles H. Guthrie

Terrific speed and the exhilaration of the out-of-doors in winter are fascinating elements of ice boating in its various forms, and particularly is this true of the sport when a strongly built motor ice boat is used. On very smooth, long stretches of ice, the speed is limited only by the power of the mechansim and the endurance of the driver. The possessor of such a mechanical craft will find much more satisfaction in it if he is both owner and builder. The boat described in this article and shownin use and constructional detail in the illustration carries two passengers and the driver.

9 pages, 1 plate(s)

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