Ski Boats  

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How to Build a 16 ft Runabout (Pub. No. 5053)

If ,you’re a water ski enthusiast, you will enjoy this boat. Designed for speed and power, it will handle a 50 h.p. motor for speeds to 30 m.p.h., yet can also be used for trolling.  This runabout looks far more complex to make than it is. These plans have been specially designed by David Beach, naval architect, with the first-time boat builder in mind. She is seaworthy, rugged and safe

12 pages, 6 plate(s)

$8.95
Maximus--Ski tower (Pub. No. 5068)

Outfitted with a 20-hp outboard, it will do 38 mph--perfect for towing water skiers.

No forms are required to build this zippy little wake-maker, just two saw horses to support the frame assemblies. Paper patterns can be dispensed with too (with the exception of sheer plates and stem) by drawing the framing outlines directly on the pieces to be cut.

4 pages, 3 plate(s)

$6.95
Firefly (Pub. No. 5153)

by John Brendlmayr

Speed, stability and portability with room for five—that’s the promise of this versatile plywood and Fiberglas 14-footer.

This is a highly versatile craft. She is the ideal trailer size, light enough so that there are no handling difficulties, but able enough for a day’s enjoyment in most waters. Stability is such that passengers can stand and walk about without concern and she will carry five persons. "Firefly" makes an adequate and handy fishing boat for anything except offshore work. Of considerable importance is the exhilarating performance attainable with engines of 30 to 40 horsepower. Speeds in excess of 30 miles an hour can be reached with safe banked turns. "Firefly" has the speed and lifting ability for water skiing. Construction methods shown are well suited for a home builder or for a small shop. The straight sheer facilitates the use of a solid sawed harpin. Such a harpin contributes to ease of alignment and insures a smooth, accurate curve at the sheer. Longitudinal hull battens are laid on the outside of the frames rather than notching the frames for the battens. This is done both for ease of construction and to give a uniform pattern of deflection to the plywood under load.

7 pages, 3 plate(s)

$7.95
Jet Joe (Pub. No. 5179)

by William D. Jackson, Naval Architect

A Sturdy, High-Speed Utility Racing Hydroplane and/or Ski Boat

Put it in water and—like a certain widely advertised soap—Jet Joe does everything. Not only does it do double duty as a utility and sports boat—hauling passengers, pulling water skiers and the like—but it also qualifies as a closed-course and marathon racer, fulfilling all requirements of the American Power Boat and National Outboard associations for sanctioned racing with stock, two-cylinder outboard motors of the Evinrude Bi~ Twin type.

16 pages, 5 plate(s)

$8.95
Skeeto--A Ski Boat (Pub. No. 5256)

Designed by William Jackson

Water-Ski enthusiasts, who rate their pleasure in mph, learned early that towing skiers behind an ordinary runabout is something like running the family jalopy in a sports car race. Their next step was to design a craft especially suited for their use and that’s how SK runabouts came to be. The first requirement was that SK’s be able to convert hp to mph in a way that runabouts never learned to do. Secondly, they had to be able to take the beating a ski-tow boat regularly gets, and, of course, the SK had to have clean lines, safety, and comfort.

16 pages, 3 plate(s)

$8.95
Build a Towboat for Solo Water Skiing (Pub. No. 5451)

by C. Claude Tabor

A control stick replaces the towrope to put you in charge of both the steering and the speed of this midget outboard.

Be independent! If you get a sudden impulse to water ski, why waste time rounding up somebody to pilot the towboat? With this clever rig you can solo. It's a 71/2-foot outboard that features safe maneuverability, a steering mechanism on the transom, and a V bottom for good stability in rough water. I dimensioned the hull so it can be built with standard materials from the local lumber-yard which keeps costs down..

7 pages, 3 plate(s)

$7.95
Build the Stiletto (Pub. No. 5474)

by Art Mikesell

With sleek SK streamlining and a super-speed bottom, it’s 16 feet of high-performance ski-boat that you can build.

Here's one of he best high-speed runabouts PM has ever presented as a boat-building project. It’s designed strictly for speed, with a minimum of compromise. That broad flat bottom is built for quick getaway and maximum go, a combination which makes this a top ski boat. On the other hand, if you want to fish, run a rough chop or carry more than four people, better shop around for something a little more tame. Stiletto is a frisky thoroughbred, not a workhorse. Construction follows stock boat-building rules. All lumber over 1 in. should be “four quarters” stock finished as full as possible, which usually means from ¾ in.to 7/8 in. All lumber thicknesses under 1 in. should be considered net. Use oak, mahogany or spruce if available. Otherwise, substitute any species commonly used in boat construction in your area. All plywood must be at least exterior grade, and preferably marine grade. All joints should be glued with a hardsetting glue of the resorcinol or plastic-resin type. Fastenings should be hot-dipped galvanized or bronze.

10 pages, 3 plate(s)

$7.95
How to Build Picadilli (Pub. No. 5770)

by David D. Beach

LOA 20' 3", BEAM 93"

This 20’ jet-inboard day cruiser will provide plenty of room for that afternoon on the water, as well as speed to spare for water skiers

For a long time, my mail has brought requests for a boat design suitable for the new marine jet pumps. These letters arrive in sufficient numbers to indicate that there is substantial interest in this type of propulsion. The writers are fairly well distributed throughout this country, and once in a while a query will come from overseas. It was, then, with an established basis of need that this design was submitted to the editors of the Boatbuilding Annual. The drawings that accompany the text should excite considerable enthusiasm. For those who are not overly familiar with marine jet systems, a few words may be in order to describe them. Essentially, a marine jet is another reaction device that operates in strict accordance with old Apple-on-the-Head Newton’s laws of motion. He said (and please pardon my paraphrasing his more formal exposition) that if you suck some water into the bottom of a boat and squirt it out the back faster than it came in, it’ll produce some push on the boat in the direction opposite the squirt. We need not get involved in more classical terms like time rate of change of momentum and reaction quantum, or stuff like that, to appreciate the jet. The jet has no external protuberances below the hull, so it’s wonderful for a water-ski boat, as the danger of propellers is eliminated. Because there are no propellers, struts, shafts or rudders to become damaged, it can operate in very shoal waters. You can make fullpower stops with the jet, because you don’t have to cut the engine speed to reverse the thrust. The jet is here to stay, and it will continue to increase in popularity as the boating public becomes aware of the plus factors and learns how to minimize the minuses. But we should get on with the discussion of the boat. Now, the craft is primarily a big runabout and day cruiser, because it will provide enough space to permit a party to spend an afternoon afloat without crowding. In profile, its straight sheer and moderately raking stem and transom provide a pleasant hull for a short cabin over the main seating. The cabin is a straightforward thing of simple lines and shape, with a flat windshield and a small overhang at the back end. It does, however, have a sunroof opening that permits the passengers to enjoy the sky and sun without exposure to wind and spray. The top is of automotive sport topping and can be fitted or removed quite easily and rapidly. The deckplan view shows that the sun-roof opening is substantial. The seating arrangement is for six people—a helmsman, a couple opposite and three in the wide seat forward of the engine box. The engine box has a folding top panel and double cushion that extend to form a very adequate area for sunning or relaxation, underway or at anchor. The area behind the engine box is adequate for a pair of folding chairs or even a single fishing chair. Let’s now look at the inboard plan and profile, which supplement the first drawing to show the features of the boat. Here the seating and sunning arrangement is better shown, as the top isn’t indicated to obstruct the view. Incidentally, some builders might not care to put a shelter on Piccadilli, and that’s perfectly okay. A wraparound windshield and a folding canvas top would fit fine, and the builder who wants the complete runabout treatment can get it in just that manner. The Profile view shows the seat arrangement with plenty of leg room, the stowage bins under the side deck, the anchor and fender stowage under the foredeck and the general schemes for sheathing the interior of the craft.

10 pages, 5 plate(s)

$7.95
Build Mucho Gusto (Pub. No. 5844)

by David D. Beach

Flashing speed for the hot-rod sailors is provided in this sweet little inboard craft. She is powered with a 25 hp. Crosley marine motor.

LOA 14 FT., BEAM 7 FT.

If you’re a speed enthusiast who wants high standards of performance from a boat that has the comforts and appearance of the smartest custom runabOut, Mucho Gusto is the answer to your prayers. For thrilling jaunts with another passenger, or for towing a single aquaplane or water skier, Mucho Gusto is your baby. Mucho Gusto is also economical to build and operate. It is a plywood-planked craft, constructed of universally available lumber, and is powered with an engine in the 25-to-45 hp range. The engine shown on the drawings is the standard 2:1 reduction gear Crosley which delivers 25 hp at about 4800 rpm’s. And by addition of Braje or other hop-up accessories, it can put out about 40 hp on normal fuel. Can’t you picture yourself behind that wheel, doing figure 8’s off the club anchorage, or out in the lake with the after lifting eye doing double duty as a towing cleat for a water skier astern? Better still, picture that same skier waving to the boys on the dock as you skim by! You’ll need little more than that to sell yourself on the idea.

12 pages, 3 plate(s)

$7.95
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