Sail Boat Plans

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Hilaria--A 24-Ft. Cruising Auxiliary (Pub. No. 5394)

by William F. Crosby

A design for an attractive auxiliary sloop arranged for simple construction and the generous use of plywood.

Although the plans for Hilaria show her as being planked with waterproof plywood, there is no reason why this little auxiliary could not be built using regular planking. Since the plywood planking is made up of two layers of 3/8 inch material it would mean that the ordinary planking should be about 11/4 to 11/2 inches thick. Plywood is supposedly about 40 percent stronger than ordinary wood for an equal thickness, hence the difference. The boat itself is a typical vee-bottom having fairly steep sections forward and is 24 feet 3/4 inch over all with a beam of 8 feet 81/2 inches. If ordinary planking is used, the beam would be increased a little. Draft is 3 feet 31/2 inches and total sail area is 225 square feet, with 64 square feet in the jib, and 191 in the main. A larger overlapping jib could be used and it would be quite possible to arrange a spinnaker from just below the jumper strut . The arrangement plan shows a short after deck with a locker under it, then a nice cockpit with seats down each side. The tanks as shown, one to starboard and the other to port, will hold about 15 gallons each. Both will fill from the side decks. A flush hatch in the after end of the cockpit will give access to the lazarette.

8 pages, 5 plate(s)

$7.95
Gozo--A Petite Sloop (Pub. No. 5395)

Designed by C. A. Nedwidek

A smart little design and specifications for a cruising sloop which will furnish much sport for a pair of healthy boys

Most popular among the small classes of auxiliary boats are the several little sloops which find much favor with the boys who lean towards sailing for their sport. The design for Gozo is a wee edition of a cruising sioop, or she might be defined as an open boat which has been improved by the addition of a small cuddy cabin which contains two transom berths which will give an abundance of room for two boys while they are off on a little cruise. The design for this boat has been arranged as a round bilge type. There is ample stiffness in her lines to make her a good safe boat, which can be handled by boys without danger. The design follows somewhat the general lines of the famous Herreshoff Fish boats since it is çuite similar in its profile, the short bow, and the transom stern. The body plan, however, is very much stronger and heavier, since the Fish boats are a racing class and Gozo is just an afternoon sailing and short cruising boat. The sailing rig has been arranged as a simple sloop rig, with a jib and mainsail. With a jib and mainsail this rig is about as simple as can be secured on a boat of this kind, since there are only two halyards, two sheets and two runner sheets to handle. All have been arranged to handle from the cockpit, with the exception of the halyards which are secured to cleats on the mast. To provide auxiliary power for times when there is no wind, a little two cylinder, two cycle, Evinrude engine of the 4-5 h.p. inboard, type is called for, which will be sufficient to move her along very nicely when desired. Since this is fitted with a clutch, it will permit of easy control of the boat when under power.

9 pages, 4 plate(s)

$7.95
Happy--An 18-Ft. Outboard Auxiliary (Pub. No. 5397)

Designed by C. A. Nedwidek

Many desirable features are compressed within the eighteen feet of this able little craft

With an over-all length of only eighteen feet, this little combination outboard auxiliary cruiser has ample accommodations for two to cruise. Two transom berths, water closet, and room for an ice chest and stove. Used with an outboard engine she will furnish a great deal of pleasure for week-end cruising. She is not fast but is comfortable. Of the straight V bottom type, she should be easy to construct even for one who has not had very much boat building experience, but who knows how to handle woodworking tools. No moulds should be required. The frames themselves can be gotten out and used in the place of moulds. This saves the necessity of laying down the lines full size on the floor. The shape of stern should be laid out full-size, this will help to get out the actual stern and also to line up the rabbet line on it. The interior woodwork is simple, two transom seats, to be used as berths, two lockers in forward, end, platform to take ice chest and stove. Also platform to take water closet.

8 pages, 2 plate(s)

$7.95
Caper--A Cape Cod Cat (Pub. No. 5398)

Designed by Charles D. Mower

Design and specifications for the construction of a popular type cat boat of 22 feet length.

Cat boats are returning to favor in many localities where a shallow draft boat is required and this design is given for a typical Cape Cat twenty two feet over all with twenty four inches draft and fitted with auxiliary power which will without doubt interest many. The cat rig makes a boat that is easy to handle and the large cockpit makes a very comfortable boat for day sailing while the small cabin gives shelter in bad weather or a sudden rain squall and provides accommodations for short cruises. Boats of this type have been used for many years around Cape Cod for fishing winter and summer and have proven good sea boats and able to take care of themselves in almost any weather.

8 pages, 3 plate(s)

$7.95
Porgy--An Auxiliary Ketch (Pub. No. 5399)

Designed by Chester A. Nedwidek

Design and specifications for building a popular type of 26-foot single handed auxiliary simple enough for the amateur.

Porgy was designed for the man or men who likes to do a little open water sailing in a small boat that is inexpensive, both to build, and to keep up. Designed along the lines of the V-bottom type of boat to keep these costs down, and also to make it as simple as possible for the amateur builder to build himself. The rig has been kept simple to make for easy handling under sail, and with her accommodations she should be an ideal boat for two for cruising. For afternoOn sailing her cockpit, while small, will accommodate a nice little party. It is a grave mistake to try and crowd too much of a party on any boat, especially a sail boat, as they get in each other’s way and prevent the proper handling of the boat. She is not too big for the amateur to build himself. She should be built in a shop or a shed, if possible, with a good level floor so that every part can he plumbed up. This is quite necessary if a good shaped boat is desired, otherwise she is apt to turn out warped and twisted.

8 pages, 2 plate(s)

$7.95
Fantasy--A Fifty-Fifty Cruiser (Motor Sailer) (Pub. No. 5400)

Designed by Chester A. Nedwidek

An answer to the auxiliary question combining equal parts motor boat with a substantial sailing rig simply arranged for the amateur boat builder.

The design for this boat is that of an increasingly popular type, the fifty-fifty cruiser or motor-sailer. Although most of them have been raised deck, this one was designed as a trunk cabin, which gives a hull with much lower freeboard than the raised deck. The ketch rig is for ease of handling under sail, and the power plant is intended to be much larger than the usual size engines installed in auxiliaries. This type of boat will appeal to the man who wants a good husky wholesome boat, one that will stay with him in all kinds of weather. She will make a good fishing and party boat with her large, roomy cockpit. Instead of an outside ballasted keel, she is to carry her ballast inside. This can, be accomplished in various ways. Cement can be poured into the bilge with boiler punchings in the cement, iron can be cast in the form of pigs of a handy size to stow, or these pigs can be of lead. The weight should run around four thousand pounds, this will allow for a small amount of trimming ballast. The boat was designed as a Vee bottom to make it easy for the amateur boat-builder to construct it himself, and every item of her construction has been kept as simple as possible. The offset table gives the dimensions for all the main frames. These frames may be laid out and the hull built around them which will save the bother of making moulds.

12 pages, 3 plate(s)

$7.95
Pronto--A Half-and-Half (Motor Sailer) (Pub. No. 5401)

Designed by Charles D. Mower

A happy arrangement of sailing schooner and motor cruiser which will please those who like to sail and still get there on schedule

To meet the requirements of yachtsmen who desire a power cruiser which can, in an emergency, be handled under sail alone, the type known as the fifty-fifty cruiser has been developed, and has met with considerable favor. The design given here is a representative boat of this type, and has many interesting features as will be seen after a careful study of the plans. While primarily a power boat capable of a cruising speed of nine or ten miles per hour, this design has a knockabout schooner rig of sufficient area to allow the owner to shut off the power and enjoy all the pleasure of sailing whenever there is a good whole sail breeze. There is also the feeling of security in the knowledge that if the engine should go out of business in bad weather, or a tight place, the boat can be handled under sail, and can make port or ride out a gale in safety if necessary. The boat has a maximum of cabin accommodations for her overall length, and not an inch of space is wasted in the interior arrangement. In the extreme bow there is a double stateroom with two built-in berths. Aft of this there is a toilet room on one side and a large clothes closet opposite. The main cabin is amidships, and seems as large as would be found in a boat of double the size. By using the backs of the transom seats as upper berths, sleeping accommodations for four can be provided in the main cabin. The galley is at the after end of the main cabin, and on the opposite side there is room for berthing a paid hand if one is carried. The cockpit is large and most comfortable, either when under way or at anchor with an awning stretched over the main boom. While the draft is small enough to allow cruising by the inside routes, and in comparatively shallow waters, the boat is perfectly seaworthy and suitable for offshore work, and can cruise anywhere the owner’s fancy may take him. These boats are not as fast under sail as the modern cruising schooners with comparatively small auxiliary power, but they are faster under, power, more easily handled and give better cabin accommodations than an auxiliary schooner of the same over all length. The type is sure to appeal strongly to the man who finds it necessary to go to power but who still loves the sail and hates to give it up.

15 pages, 5 plate(s)

$8.95
Heron Class--A 12-Ft. Sloop, The (Pub. No. 5407)

by Edward Weber

After publication of the plans for the 10-foot Kingfisher Class sailing canoe, quite a number of persons interested in small sailboats expressed a desire for a slightly larger boat; one that was a bit more substantial and able, could accommodate more than one person, and yet, making use of the same light, inexpensive, and easy-to-build method of construction. This design, then, is a blending of the best qualities of three different types of boats: the canvas-covered construction of the light sailing canoe, the hull form (slightly modified) of the larger canoes, and the modern rig of the small sloop or knockabout. Not one of these types is untried or unhandy.

8 pages, 4 plate(s)

$7.95
Chunky--A Sailing Dinghy (Pub. No. 5419)

by E. G. Monk

An easily built little boat with the advantages of the round bottom type and still simply constructed for the amateur.

Most of the small boat designs which are prepared for the amateur boat builder are much more difficult to construd than the designer anticipates. Amateurs generally have not sufficient skill and experience to attempt the larger craft so that the simple little design for this dinghy should be most acceptable. She has been arranged for planking in half inch cedar and the hull is very light and easy to carry up the beach or haul aboard the larger boat. Not only has the designer worked out the drawings but in order to be sure that they were correct he has constructed one of these boats. As will be noticed from the line drawing its shape somewhat approaches that of a round bottom boat and yet it is almost as easily built as the flat bottom sharp pointed skiff. There are no rabbets to cut and there is no laying down to do except to lay out a frame from the offset table. This little sailing dinghy has been built and tried out and has met with favor by everyone who has handled it. She moves right along in the lightest of breezes and offers plenty of fun in a good one, carrying sail well and handling with ease. As a row boat it rows easily and will carry as many as six people with plenty of freeboard. In the design of the hull itself the aim was to embody in an easily built boat the advantages of the round bottom type so hard for the amateur to construct. The construction itself follows very closely that of the flat bottomed, sharp pointed skiff but the disadvantages of this type of boat are almost eliminated. The amateur should have little trouble building it as there are no rabbets to cut and very little spiling or shaping of planks.

9 pages, 3 plate(s)

$7.95
17-Foot Sloop, A (Pub. No. 5423)

by Seth Persson

An interesting design and specifications for a smart little sailing craft.

The accompanying plans are for a 17-foot fast sloop that in grace and beauty is the equal of any. A trial boat has been built from the design. This boat has been the victor in every race in her size in Jamaica say, and has proven very seaworthy. The only modifications from the original design has been to change the sailing rig to the Marconi type. The construction of a round sided boat of this type is considerably more difficult than a flat bottom boat, but is within the scope of an amateur builder who is skilled in the use of woodworking tools, and knows something of the art of boatbuilding.

4 pages, 1 plate(s)

$6.95
10-Foot Mark Boat, A (Pub. No. 5440)

A craft specially designed as a Mark Boat, also useful for many purposes.

Raced are run on a course which has previously been laid out by the regatta or race committee and which is provided with certain marks to show the direction of the course. Often well known objects such as Government buoys, lights, etc., are used but it more often happens that such objects are not available or that they are not conveniently spaced. It then becomes necessary for the race committee to place other objects on the course--they are generally placed only at the spots where the course changes direction. These objects, or marks, as they are properly called, have been a source of trouble to race committees and contestants and have spoiled many a race, through being improperly designed for their purpose. There are several reasons for this, the chief one being that the average race committee has had no experience in the design and construction of marks. A good many seem to think that almost any old thing that can float and cary a flag will do. They may be a little shy of money and some one will suggest a cheap and easily constructed mark, it is is used, generally with unsatisfactory results. The inexpensive and simple type of mark is a delusion. Such a mark lasts about a season, whereas a real good mark may cost more but will last twenty years with proper care and be far cheaper and infinitely more satisfactory in the end.

8 pages, 2 plate(s)

$7.95
Modern Friendship Sloop, A (Pub. No. 5442)

by Ralph E. Winslow

Drawings and specifications for building a popular type of cruising auxiliary

Down in Maine before the advent of the power boat, practically all the shore fishing was done in small sloops known as Friendship sloops. These were so named because they originated in the town of Friendship, Maine, and they were built (for many years exclusively) by the well known Morse family. These boats were exceedingly able as they had to work in all weathers, winter and summer, and they were also fast in a breeze. They had a world of room, a beam ratio of about one to three and a draft ratio of about one to six. They were simply rigged with jib and mainsail, though some of the larger ones carried two headsails. The spars were extra heavy and needed but little standing rigging. Originally they were of the semi-clipper-bow type but later ones were built with a short spoon bow. Ballast was all inside on most of the boats but some of the later ones had quite a chunk of outside ballast. These boats were used principally for fishing but they also were useful as party boats in the summer time and some of the larger ones did general freighting at times. The power boat has now driven practically all of these sloops out of business and most of the better ones have been bought by yachtsmen and converted into cruising boats—mostly auxiliary. All of the existing boats are now quite old and not many are available these days. Realizing that this is a type which has always been popular, the Editor has asked me, being familiar with the Friendship type, to prepare building plans for one these boats based on the last boats of the type built and adapting the design to a roomy auxiliary cruising boat. The good features of the original boats have retained and several improvements have been made.

15 pages, 6 plate(s)

$8.95
Rudder 20-Footer, The (Pub. No. 5445)

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.

14 pages, 6 plate(s)

$8.95
How To Build the 36-Footer Sea Dawn (Pub. No. 5452)

by Daniel S. Crocker, Jr.

The auxiliary ketch Sea Dawn, was designed by the well-known Boston designer, S. S. Crocker, Jr. who has specialized for many years in the design of yachts of the cruising type
.

Sea Dawn is 36-feet in length and 11 feet in width and is of the husky seagoing type intended for service on deep waters but just as suitable for sailing on Long Island Sound, the Great Lakes or any similar bodies of water. We have heard a great deal about the seaworthiness of centerboard boats and we have received so many letters in this regard that we have no excuses to make for the use of the board in Sea Dawn. She is not an extreme shallow draft craft for there is a fairly deep keel with a good deal of drag which should be sufficient to permit her to go to windward in shoal water with a fair amount of success. In deeper waters the board can be sent dowr to provide the maximum lateral plane area. The ketch rig was used for obvious reasons. For short-handed cruising there has never been a better rig. In a short squall the mainsail can be let go with a rush and there will still be canvas enough to keep way on the boat. The average yawl has so small a mizzen that she will do nothing but bob up and down in the sea if the mainsail is taken off. The total area of canvas is low but quite sufficient for a cruising boat where comfort is the watchword and the crew is not pleased with the idea of jumping about every few minutes shifting sails. If there is any one item which can utterly spoil a good hull it is over-canvasing. Sea Dawn is fitted with a gaff-headed rig. Without a doubt many readers will think that they prefer the jibheaded, or Marconi, rig. Those who insist upon making this change are referred to the designer who no doubt will be quite willing to design a new sail plan, at his regular fee for such work. From the standpoint of THE RUDDER staff we urgently advise you to stick to the gaff rig. If Sea Dawn was intended for afternoon racing we would suggest a marconi rig but for ordinary cruising there has never been a better rig than the one shown. Below decks Sea Dawn is laid out to suit the desires of the average yachtsman. There are berths for four and a good toilet and galley. The latter is equipped with a sink, ice-box and one of the old-reliable Shipmate ranges. We believe that many owners of this fine boat will feel that four is a crowd, and not company, in a boat of this size. A suggestion for such folks would be to make the saloon berths a little longer and to add a great deal to the locker space.


15 pages, 5 plate(s)
$8.95
Wee Nip, an 11' 6" Class Sailing Dinghy (Pub. No. 5453)

by Edson I. Schock

This boat has proved very popular, both as a racing dinghy and for afternoon sailing. The author’s three sons learned to sail in the original “Wee Nip,” the first boat built from this design. She is fast, stable, and easy to build, and she will go through a cellar door when finished; at least the original “Wee Nip” did. If you compare her with other dinghies which look quite similar, you will find that she has a lot more stability than most, due partly to her few extra inches beam, and partly to the shape of her hull. Her speed is about the same as that of sailing dinks of the same size and weight, and is considerably greater than that of the average 12-foot sailboat. About two hundred to two hundred and fifty of this class have been built, mostly by amateurs.

16 pages, 4 plate(s)

$8.95
Sharon Potts-a 15' Knockabout (Pub. No. 5454)

by Edson I. Schock

This boat was intended as a one-design class to be built by the owners. They wanted a boat that would be easy to build, but the principal specification was speed. How well this requirement was met is shown by the fact that in handicap racing these "fifteens" give 18-foot round-bottom knocabouts a minute a mile head start, and beat them to the finish line. They are easily build, are light enough to carry easily on a small trailer,  and the material cost is within reason.

8 pages, 6 plate(s)

$7.95
Tornado, A Hand 45-foot Auxiliary Schooner (Pub. No. 5455)

Designed by William H. Hand, Jr.

For those who want deep-water sailing, we commend the plans of Tornado, published herewith. She is a real boat for real sailormen. A ship in every sense of the word, embodying all the good features and qualities of larger vessels. Just the thing for general cruising with ample cabin and deck space. She is easily handled by two men and therefore will not require a large crew. Substantial enough and safe enough to take her proud owner anywhere he chooses to go. She is just under 45 feet long, 12 feet 61/2 inches beam, and almost 6 feet draft. The construction of Tornado is heavy and substantial throughout. Her frames are of white oak spaced 9 inches apart. Planking of Oregon pine is to finish not less than 11/4 inches thick. A heavy cast iron keel casting, weighing a ton and a half, is attached to the bottom of the keel. In addition, ballast composed of lead pigs and several tons of concrete made up with steel plate punchings will be added on the inside to increase the stability. Tornado, being a heavily built boat, is entirely beyond the range of the amateur builder. It will take the facilities of a well-equipped boat-yard to turn out a boat of this kind. The accommodations are ample and complete for a large party. Pipe berths in the forecastle take care of the crew while the main cabin has folding transom berths to accommodate four more persons. A very complete galley equipped with all conveniences is also provided. A regular stove, a large refrigerator, a sizeable sink and plenty of cupboard and locker space. The engine is given a compartment by itself and is one    of the heavy-duty fuel-oil engines of the Diesel variety. Horsepowers from 20 to 30 will be suitable to enable Tornado to make port comfortably in case of a calm. Additional pipe berths are also provided in the engine-room to take care of two additional persons. The total sleeping accommodations accordingly is sufficient therefore to provide for from ten to twelve people without undue crowding. Fuel is carried in a large tank under the cockpit floor and enough is carried to insure freedom from worry on this score. The cockpit from which the boat is steered and handled is roomy and big enough to accommodate the entire crew. Complete specifications and information to cpmplete the construction of Tornado are given.

READ WHAT MR. HAND SAYS ABOUT TORNADO

The auxiliary schooner is rapidly growing in popularity, for the type is one which has probably more to recommend it to those who desire to cruise than any other type now in use. This little ship is, in size and lines, right for general cruising, as she is sufficiently large to give excellent cabin and deck space, also small enough to be easily handled by two men under almost any conditions. She is powered with an oil engine rather than gasoline to eliminate the gasoline hazard and to provide a reliable, efficient power plant which may be operated very economically.--WM. H. HAND, JR.

16 pages, 7 plate(s)

$9.95
Thrifty Cat (Pub. No. 5456)

by George Daniels

Thrifty Cat is endows with several feline virtues. For one, she provides lively action, which means sailing fun of a high order. This doesn't mean you can outdo a Hobie. They've a reputation for exceeding 20 knots, while Thrifty's achievement might lie in the 15-knot range. But then Thrifty won't cost you a big bundle, either, which thought can provide a bit of pleasure in itself.

10 pages, 2 plate(s)

$7.95
Build the Hobby Kat (Pub. No. 5462)

by Hal Kelly

By now, everyone who digs boating has heard of the Hobie Cat, the sleek little catamaran that burst on the scene and captured the attention of all the fast-action sailors. Marked by asymmetrical hulls and special trampoline supports, the Hobie can reach speeds above 20 mph and perform with a rare agility. But it has one drawback. It costs mucho dinero. Thus, we introduce our Hobby Kat a build-it-yourself version of the Hobie that should cost from half to a third of the commercial version. If you have the moola, of course, go for a Hobie and have the time of your life on the water. If not, try our Hobby. The homebuilt is not quite the same. But she sails sweetly and fast—qualities which have made the Hobie popular. We clocked her informally at above 20 mph. Even in a light air she’ll slip through the water at a fast clip. She has no centerboards, leeboards or keel, and needs none. The inside of each hull has built-in lift, like an airplane wing, so that as the boat heels and one hull digs in the boat is pulled back to windward. She can run in very shallow water and the rudders kick up for beaching. You can carry her on a trailer or even disassemble her. Hobby Kat is not hard to build. Just don’t hurry. And understand what you’re doing and why before you do it. For best performance, the Kat must be light. The complete boat, minus sail, boom and mast, weighs 165 lbs.

9 pages, 3 plate(s)

$7.95
Great Pelican (Pub. No. 5469)

by William Short

Big brother of the famous San Francisco one-design, this Pelican is suited for cruising rough waters
.

The Great Pelican is an enlarged version of the immensely popular one-design, The San Francisco Pelican. She is 16 ft. long with an 8-ft. beam and over 30 in. of freeboard amidships. Built with a cabin for cruising, you’ll often find this little boat out as far as the Golden Gate on a windy day and, as any West Coast sailor will tell you, this is as rough as inland sailing can get. We even heard from one Great Pelican owner who had sailed his modified home-built down the Pacific Coast to San Diego and then, with his wife as crew, crossed to Hawaii. I would never have recommended such a voyage, because I think of the Great Pelican as a weekender for inland or coastal waters, but I am constantly amazed at the voyages the little boat makes, and it is not limited to the West Coast. I had a call recently from an owner who had sailed his Great Pelican from New Brunswick, Canada down to Florida, and a builder in Nova Scotia claims that the boat is ideal for rough coastal waters.

8 pages, 4 plate(s)

$7.95
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