Daysailers over 15' LOA 


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Arrowhead--A fast trim and able 21 ft sloop (Pub. No. 5070)

Designed and builty by Charles H. McAlary of Newport Beach, California, this sloop, with an over-all length of 21 ft. and a beam of 5 ft. 11 in., is especially designed for quick maneuvering in difficult waters. Exceptionally  fast in light winds and a staunch performer in heavy weather, “Arrowhead” is especially designed for conditions found on the smaller inland lakes, though she’s at home on either salt or fresh water. With a length of 21 ft., and a beam of 5 ft. 11 in. she makes a splendid family boat with room for eight or ten passengers. The hull, moreover, is a particularly suitable type for the amateur boat builder because it is built over a form. With the form right, you can’t go wrong on the hull.

32 pages, 10 plate(s)

Bouncer--A Fish Class Sailboat (Pub. No. 5127)

by Warren H. Miller

This is an improved version of the famous Annisquam "Fish” Class Marconi rigged catboat. Mr. Miller built his boat as pictured here, making even his own sail. All of this fine adventure in boatbuilding is here told with that fine frankness which characterizes the old salt from ‘way Down East in Massachusetts. The popular Fish class racing cat was built by a sole yard, Montgomery of Riverdale, Mass. About three hundred of them have been put out so far (1933), fast, light, seaworthy. The rig is Marconi, a twenty-five-foot mast. It is a picturesque little yard, a construction shed or two on a tiny salt creek flowing into Annisquam River, and maybe a dozen of the dainty little cats, being rigged and finished for shipment, in a row by the launching stage. Mr. Montgomery himself designed the lines of the original "Fish", another case of a native genius like Archie Fenton of Gloucester memory. He has had imitators. But nothing turned out could compete in a race with the true "Fish". As I wanted a boat that would be able in short, choppy seas on lakes and sounds of different behavior than the ocean seas around Annisquam, I took slight liberties with the Fish class forefoot. The true stem has a radius of not less than three feet and sweeps up in a long curve that gives finer entrance lines but less lift forward against short, steep seas. As may be noted by the drawings herewith, a two-foot radius was chosen for the stem, the lines being otherwise about those of the true "Fish."

16 pages, 1 plate(s)

15 Ft. Knockabout (Pub. No. 5134)

Designed by Edwin Monk, Naval Architect

Generous freeboard and clean lines distinguish this simple, well-designed Knockabout. Though its performance delights experts, the craft is what its name implies, a safe, stable sailboat for family fun on inland water. Anyone can build it, for the joinery involved is straightforward carpentry. Planking is exterior-type fir plywood, which makes any boat easy to build—and when built, better.

12 pages, 6 plate(s)

Triton (Pub. No. 5164)

by Robert M. Steward

This 19-foot day sailer is also a fine racing sloop.

"There are darn few popular small boats,” said Rudder Editor Leonardi, “with enough room to take Aunt Agatha out sailing.” And so we have "Triton", designed as a safe wholesome day sailer with a moderate sail plan, suitable either for family use or as a one-design racing class. It is inevitable, of course, that hardy youth will cruise overnight in a boat 19 feet 6 inches long, and for this reason a cuddy has been incorporated in the design for protection from the weather. Beam and freeboard have been made generous for stability and dryness and her arc bottom will not be hard to drive under sail, although "Triton" has not been designed as a light-weight racing machine. The hull, properly built, will stand much abuse and the choice of materials is wide, permitting the boat to be built anywhere.

4 pages, 3 plate(s)

Restless (Pub. No. 5197)

by Gerald Taylor White

LOA 17' 4", BEAM 4', 91/2" DRAUGHT 61/2", SAIL AREA 100 SQ. FT..

Want speed under sail? Here is your answer, for "Restless" was designed with just that requirement in mind. Her shallow V-bottom, short overhangs, and tall inboard rig are all earmarks of a fastsailing racer. The object of the double cockpit is twofold: first to provide strong cross bracing to take the strain when she is sailing with the crew hiked out to windward, and second to keep the helmsman and sheet tender from getting in each other’s way. As all sheets belay on the deck between the cockpits, it is possible to sail the boat singlehanded without getting a tangle of lines in the cockpit. If you are wise, you’ll put that deck in just as it is shown. When you aren’t racing and want to carry some extra passengers, there is still room for them—-in fact, the deck itself makes an excellent seat for those who don’t mind ducking at the order, “Ready about!”

8 pages, 4 plate(s)

Build the Crosby 16 (Pub. No. 5202)

by Wm. F. Crosby

This little sailboat was designed with several definite ideas in mind. The first was to have a boat that would be so extremely simple to build that almost anyone could do the job with the minimum amount of work and cost. The second idea was to produce a boat that would be virtually impossible to capsize. The third was to combine a hull and rig that would be capable of sailing faster than most boats of its size. That all three objectives have been achieved was shown pretty conclusively by Crosby 16 No. 1, which was built by a New York amateur. First, he did a thoroughly workmanlike job, encountering no difficulties. Second, the resultant boat was stable. Once she was caught in a heavy puff with a jammed mainsheet. One crew member was down to leeward, another was standing on the forward deck, and the skipper was catapulted to leeward as the little boat was knocked down. Despite the force of the wind and the tremendous upsetting leverage exerted by the crew members, she recovered without capsizing. And third, she was fast. In one free-for-all 20-mile race, dead to windward, she finished second in a fleet of over 20 boats. The boat that beat her was much longer and had a great deal more sail area. The boat that came in third was more than a mile astern at the finish. She has a flat bottom, which allows the entire boat, when reaching across the wind in fairly good breezes, to rise and plane, sometimes for as much as a half a mile at a time. Total sail area is 133 square feet, with 88 square feet in the mainsail and 45 in the overlapping jib. The rigging consists of just a jibstay and two shrouds. You need no other wires or spreaders.

12 pages, 2 plate(s)

Naomi--A 22-Ft. Hooper's Island Skiff (Pub. No. 5208)

by Sam Rabl

Down where Chesapeake Bay begins to get pretty thin as far as its depth is concerned, the boys who catch the delicious soft shell crabs that you get at the high class hash joints—-when you have the money to visit them-—have developed a type of boat that will run in pretty shallow water. The fact that these crabs must be gotten in to the shipping crates in pretty quick time has also made speed imperative in their makeup. The resulting boat is so fast that the boys really go in for racing as a daily diversion and get pretty adept at it. Every once and a while they get so argumentative about the speeds of the various boats that a supervised race has to be staged to settle matters before blows are resorted to. The construction of these boats is so simple that the boys in most cases build their own and many are sold for day sailing to the furriners who visit the Island on vacations. Strange as it may seem the side planks of these boats come from the opposite side of the continent, being of fir, the only lumber at present that is available in lengths long enough to make the sides in one piece. The sailing rig is simpliàity in itself.

8 pages, 7 plate(s)

Blue Bird is a Sailer (Pub. No. 5269)

by William D. Jackson, Naval Architect

Here is a small fast-traveling dinghy that can be equipped with oars, sails or motor

Most small dinghys do not sail well but this 10-ft. long "Blue Bird" is fast and points fairly high. It makes an excellent utility boat, and, if sailing equipment is not available, you can use the boat with a pair of 6½ ft. oars or with a long shaft Evinrude outboard motor of not over 3 hp. (If you use a standard shaft length outboard motor, you’ll have to cut the transom down, and injure the boat’s performance.) The difficult joinery work of construction is eliminated, but you should try hard to produce close accurate joints. Use mahogany, birch or maple plywood of exterior type, formerly called waterproof. Fir plywood can be used if it,is treated with first coater such as U.S. Plywood’s Firzite, and then painted or varnished.

8 pages, 2 plate(s)

Sea Explorer--A 27 Ft. Camp Ketch (Pub. No. 5277)

by William Garden, N.A.

This little ketch was designed originally for the Portland Sea Explorer Association in response to the need for an all-around boat to replace the whaleboats and other miscellaneous types. The old boats had turned in years of good service, but in view of repair costs and difficulties in racing as a class, they were a losing proposition for low budgets, plus a widening realization by the Association of the training value in class racing. Several possibilities were examined and the final result was dictated by requirements for light weight and the use of marine plywood. In studying the plans it will become apparent that this is a specialized boat suitable for beaching to unload a crew of boys and their gear as well as affording performance under sail or oars. Eight or ten boys could have a wonderful two weeks cruising with such a boat along an interesting coast line. You will note that there is no provision for a motor, but it has three pair of oarlocks. In calm weather she can be rowed at a fair speed to make an anchorage and the crew can sleep on board or come ashore. Under sail she will be an excellent performer with the lead shoe plus live ballast. Eight boys to windward will provide stability in a real breeze and the rig can be shortened down readily by pulling the mizzen or tucking a reef in the main. Two headsails are shown; in light weather the 270 Genoa Jib will give a lot of power to keep her competitive and a spinnaker may be fitted. The basic reasoning behind the shoal draft was to make the boat portable with the ability to be trucked into other areas for exploring and for regattas. As she is designed, the concept fits in with a summer came use and other specialized service.

8 pages, 3 plate(s)

15-Foot Keel Knockabout--Breeze, The (Pub. No. 7054)

Designed by Charles G. MacGregor

LOA 15 ft. 8 in., BEAM 5 ft., DRAFT 2 ft. 6 in., SAIL AREA 111 sq. ft.

Here is presented the design of a plywood fin keel sloop.

This boat is intended for the more ambitious builder in plywood. She is suitable for day sailing and racing; can be easily transported by trailer, and if necessary the fin keel may be removed in a few minutes by backing out the keel bolts. The material specified is intended for salt water use, and substitutions are not recommended without competent advice. The form of the hull is such that no difficulty will be experienced in bending the "planking." The twist at the forefoot of the usual vee bottom form has been eliminated by adopting the skiff form of bow adapted to the conical stem. This conical stem not only adds to the appearance of the boat but permits a certain amount of flare and eliminates the necessity of twisting the forward end of the topside planking into a vertical plane which occurs when the ordinary stem is used. The bottom is slightly vee form. It had been suggested that an arc bottom be used similar to the Star class hull. This would be excellent but it is practical only within certain definite limitations of panel length and width. For instance a 3/8" panel 42" wide and 25' long may be given a transverse arc of 21/2" and a longitudinal arc or upsweep of about 5" at each end. Beyond this point the plywood will crimp along the edges. The arc form is therefore impractical in a boat of the size and type of Breeze. The vee bottom was adopted in preference to a flat bottom. It is a little more difficult to build but its advantages in this type of boat are well worth the extra trouble.

4 page(s)

Silverfin--A 20-Ft. Sailboat (Pub. No. 5330)

by C.P. and E.D. Burgess

This fast-sailing 20 ft. plywood sailboat has nice lines, was designed for a crew of three.

This fast sailing boat is to be built only of hot-pressed resin-bonded waterproof plywood on a frame of oak or ash. Be sure that every panel of plywood bears the grade mark "EXT-DFPA" which guarantees that it is manufactured to Bureau of Standards specifications for exterior use under the inspection of the Douglas Fir Plywood Association. All contacting surfaces should be glued together with waterproof marine glue, as well as screwed. By this construction you will - have a watertight hull that is far stronger and more enduring, as well as lighter, than any hull built by old fashioned methods out of materials available before the development of exterior type fir plywood.  

12 pages, 3 plate(s)

Tern--A Knockabout Sloop (Pub. No. 5349)

An 18-ft. knockabout sloop with a simple, sharpie-type hull and low building cost.

For day sailing or short cruises on protected waters, this smart and able sloop is ideal for the man who’s building a boat on a limited budget. Because her hull lines are taken from those of the Chesapeake Bay Sharpie, she’s about the easiest and cheapest craft that can be built without sacrificing sound construction and good sailing qualities. Like the Sharpie, she’s flat bottomed and as easy to frame and plank as a skiff, and with the centerboard up only draws about 10 inches of water. The large cockpit will hold a good-sized party on day trips and for a couple of young fellows who don’t mind a few minor discomforts, the small cabin provides snug shelter for overnight or week-end cruises. The rig is of the knockabout type with 157 sq. ft. of sail that will drive the boat reasonably fast when she’s sailed slightly heeled, as all sharpies should be handled. While no engine has been shown on the plans, there’s no reason why a small aircooled inboard couldn’t be installed aft of the centerboard trunk and a shaft and propeller fitted at the end of the skeg.

10 pages, 2 plate(s)

Gulf Coast--A 20-Ft. Centerboard Double-Ender (Pub. No. 5393)

Designed by Edward R. Weber

Gulf Coast is a double-ended centerboard sloop, to be built of plywood. She measures 20’ x l5’ó” x 6’71/2” x 5” draft and carries 175 square feet of sail

Winds are strong down on the Gulf and the barometer is often taking those exciting plunges which bring along endless foaming breakers from over Mexico way. Rain squalls drive in and small boats seek haven in the bayous and inlets where, from protection, one can hear the storm whistling overhead. Days during the summer are often as not enlivened with quick thrusting storms and squalls which back up against the wind and drive down rain in powerful gusts. The detested North winds that sweep down with heat and continue for days are known actually to drive water out of certain harbors. In the inlets and bayous are underwater stumps of old cypress and the water is never deep except over springs and in the channels. Along the coast proper are long chains of low sand islands and bars lying awash in blue Gulf water and hot sun. For such sailing grounds—among the best in the world—special types of yachts and boats are needed. Motor yachts with more than usual ventilation and little draft, insulated and able to stand heavy weather in the chop and steep seas the shallow waters develop. Sailing yachts need the ability to carry huge spreads of canvas and still shorten down quickly to storm rig. The South has many latent powers and possibilities—among the greatest are her shipping, fishing and yachting—and the day is here when the South can demand and get the boats she needs for her special needs and conditions. This little sloop, Gulf Coast, was designed with many of the foregoing needs in mind. She is double-ended and therefore easy to handle in a following sea or quartering chop. Her beam is ample for great stability and her bottom is broad for planing ability downwind. The rig is tall, with an aspect ratio of nearly three to one, getting that area up where it is needed on light days. When gusts snap down she will not be overpowered nor difficult to handle and the rig is always efficient. Sail can be shortened down to a reefed main of 73 square feet or jib alone of 62. She carries a spinnaker and genoa for that zesty racing all modern sailormen love. The draft is but five inches with the centerboard up and rudder tilted, allowing her to be sailed right up to the sandy beaches and over shallow bars. Construction is made V-bottom of plywood and utilizes the native pines to a great extent. Length is 20 feet l01/2 inches overall including rudder, 20 feet on deck, 15 feet 6 inches waterline and 6 feet 71/2 inches beam. The lines show her flare forward which is carried well aft for dryness in a chop. The after bottom is nearly flat and she nossesses great reserve stability.

16 pages, 2 plate(s)

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)

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)

Cappy--A 20' Cabin Sloop (Pub. No. 5490)

by J. Julius Fanta and Christ Sommer

Plans and details for Cappy are presented here for the man who has built his first boat and wants to gr aduate to a sportier and somewhat larger craft. However, this will not be too difficult a task for the novice toolsman, if special attention is given to all construction details. Cappy’s grace of line appeals to anyone with an eye for boats. With a well-designed Marconi rig, spreading 220 square feet of sail, this sloop is a noble sailer, capable of giving a good account of herself in rough weather. The rudder is underwater, permitting an outboard motor to be attached to the transom. For stability she has a 39” draft fin keel with an underslung 850-pound iron shoe. A foundry can turn out the casting at low cost and the amateur builder can install it without difficult operations. The six-foot beam provides safe footage on deck alongside the cabin trunk.

10 pages, 5 plate(s)

Corky--A Sailing Speedster (Pub. No. 5491)

For a sailing speedster that’s comfortable, roomy and does well in rough weather, this centerboard sloop will fill the bill. Few craft of Corky’s size, 18 feet with a 77¾-inch beam, have fast qualities as well as large cockpit accommodations. Corky is an ideal project for the novice to build, because it entails no complications in construction. All details are designed to simplify and facilitate work. Corky is in a class by herself when it comes to smart sailing and handling. Her 175-square foot sail area in a tall rig accounts for fast going in moderate breezes. The spread is not excessive for stiffer winds. She has a clean transom, so outboard power may be used. Canvas-covered, the deck is of prestwood or plywood, which eliminates tedious planking. V-shaped coaming rails flare aft to keep the cockpit dry.

12 pages, 5 plate(s)

Chum--A 12' Lapstrake Daysailer (Pub. No. 5533)

Twelve feet of sailing boat—and how she can sail! If you’re looking for a small boat to bang about in, something that will scoot along under the slightest breeze, a craft that will give you sailing, with all the flavor of keen sport together with a fair element of safety—then, build “Chum.” “Chum” is of lap strake construction instead of batten seam, that is, each plank is lapped over the one below it at the seam instead of butting together backed with a batten as described in ‘Roamer,’’ “Flash,” “Crack” and some other boats in this list. A real classic "looker."

28 pages, 1 plate(s)

Petrel an 18-ft Round Bottomed Centerboarder (Pub. No. 5603)

by Chas. D. Mower

"Petrel" is a husky, shapely 18 ft. 9 in. round-bottomed center-board knockabout well adapted to day sailing, onedesign racing in a club, or even for overnight “cruising” for a couple of hardy lads. She swings 200 square feet of sail in a simple, efficient, modern rig, making use of a hollow box spar 29 ft. long from tenon to truck, or 26 ft. from top of deck to top of mast. The hull is a powerful one, with good firm bilges and easy lines fore and aft and she should be able to show a good turn of speed. The freeboard forward is 2 ft. 4 in., and only slightly less aft. There is a roomy cockpit 6 ft. long, and the side decks are 14 in. wide aft. The center-board trunk projects slightly into the cockpit, and the trunk itself is approximately 4 ft. long. The “snoring cabin” or cuddy is long enough to allow a couple of persons to lie down inside out of the weather, and there is room enough up forward for quite a bit of storage. The thing that fixes the draft of this little boat is the rudder, which extends 1 ft. 7 in. below the waterline. The draft of the boat with the board down can never exceed 3 ft. 9 in. (as this is the radius of the swing of the board) and as a matter of fact the board would probably never have to be carried all the way down, or vertical.

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)

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