Car-top Boats  


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10' 9" Car-Top Boat (Pub. No. 5015)

(For Oars or Outboard Motor)
This useful all-round plywood boat is designed for the man who wants a portable, all-round utility boat for fishing and hunting or family use. It can be taken anywhere on top of the car and has the advantage of not requiring a trailer. There are, of course, no planking seams to open up in the hot sun. This boat may be used on any water, from small creeks or inaccessible lakes to larger, open bays. With an inexpensive commercial car-top rack of the suction-cup type, or a homemade rig similar to it, transportation of this lightweight boat is no problem at all. Or, if only short trips are to be made by automobile, the boat may be tied in place on the car roof, providing sufficient padding is used to prevent chafe. Inexpensive to build, this craft is a good utilit boat for use at a bathing beach. A small outboard, of from 1/2 to 3 h.p., will drive it efficiently; and because of its light construction, and V-bottom design, it is easy to row. As it can be carried by one man, it need never be left in the water.

18 pages, 1 plate(s)

Cork-- A fishing Auto-Topper (Pub. No. 5084)

by Charles Jeliff

Out in Puget Sound country, some of the best fishing is on out-of-the-way lakes—can’t get to ‘em by car. So, you need a boat to pack in that is light. But you also need a boat that can ride out man-size salt water waves when it has to. "Cork" is the answer to both needs. A real fisherman’s boat, "Cork" has end seats just the right distance apart for two anglers to face each other (so one can see what the other is doing) and for one to help the other net a fish, untangle a plug that may have snagged a line, or quickly shift oars if a fish requires it. "Cork" handles so nicely because of her V-bottom (scow ends are identical). In fact, she’s a dream to row in either direction, from either seat. There’s plenty of buoyancy for three adults, and for one occupant the center seat is just right to row from, using either pair of oar locks.

16 pages, 2 plate(s)

Shingle--An Auto Campers Boat (Pub. No. 5129)

by Arthur C. Klust and Ray F. Kuns

"Shingle” is a light but sturdy little rowboat which can be carried on top of the car on the hunting or fishing trip. The plans given here also show how to adapt the boat for use with an outboard motor.

The neat little tub shown in the photos was designed and built by Ray F. Kuns, an amateur at boat-building, but a veteran sportsman who has felt the need of a companionable small boat to carry along on his wanderings in the wildernesses. The marvelous success of the “Shingle” design is without doubt due to the fact that her builder worked with the idea of efficiency superseding elegance or beauty of line. The completed boat, as built by Mr. Kuns, weighs somewhat under one hundred pounds, and is easily carried on top of a car. She rides nicely, and two men find no difficulty in loading or launching her from this position. If she is hauled on a small trailer, one fellow can handle her alone. According to her designer,“Shingle” fairly eats rough water.

12 pages, 2 plate(s)

How to Build Whisky--A Car Top Boat (Pub. No. 5368)

by Weston Farmer

If you were to average up all the good boats of car-top size you’d have Whisky. She’s light, and fast, and free running and will be especially good with nominal horsepowers. The cost of materials for her will run just about fifty dollars.

Whisky started life on my drawing board as Whiskaway. The affectionate diminutive, which is an American habit with names, soon shortened Whiskaway to Whisky. Let me tell you about her. She is 14 feet in over-all length, by 52-inch beam by 15 inches freeboard from chine to sheer amidships. This puts her right in the groove for average size among spitkit boats of her length. She is neither the largest nor the smallest. She fills a gap. Most of the 14-footers available as kits or in plan form are too large and heavy for car-top carrying. Whisky will nestle bottom up on your car-top carrier and will be a good traveler. When you reach your haunts she’ll be big enough to handle weather on any lake. She is built of plywood for relative ease of construction. Hence her lines follow what it is practical to do with plywood.

8 pages, 1 plate(s)

Building a Car-Top Boat (Pub. No. 5548)

by Edward R. Lucas

If you're a lake fisherman who likes frequent changes of scenery, this light weight car-top boat will permit you to drop a line in any body of water to which your car is able to transport you. Or if a non-fisherman who just likes to spend an occasional day on the water, your radius of enjoyment will be expanded well beyond its present limits. Although an ideal twoperson boat, the semi-V bottom and pram type construction make possible the accommodation of three individuals without swamping.

7 pages, 1 plate(s)

Snuffy An All-Purpose 11 ft Car Top Boat (Pub. No. 5589)

by William Jackson

"Snuffy" comes of a long line of car top boats that had varying characteristics— some were too bulky, others too small. This latest descendant not only presents a hull adapted to wide general usage, but fulfills all requirements for transient travel. It can be carried wherever autos may penetrate, being light in weight; is easy and inexpensive to build, easily rowed or propelled by a small outboard motor of from 1 to 10 h.p. Proportions are small but compact for ample accommodations and the boat is leakproof under all conditions if properly made.

12 pages, 2 plate(s)

Yo Ho!--A Plywood Cartopper (Pub. No. 5841)

by Weston Farmer

Designed with easy bends in her planking this boat is light enough to be tossed atop your car. Cheap, too.

LOA 13 FT., BEAM 50 IN.

YO HO! is not the best looking boat I have lifted from my drawing board these past 35 years—not by a long shot. But she very successfully incorporates extreme ease of building with very nice water feel. As my good old friend Billy Atkin, dean of American motorboat designers, says, “A good small boat is harder to design than a good large boat.” So I am happy to relate that an unusually good compromise has been doped out in Yo Ho! She has enough rocker to row reasonably well, yet not enough to kill her for planing work. She will putzz along with a 11/2 hp Elgin kicker at 7 miles; can use the Evinrude angle shaft 3 hp motor, and even take 71/2 hp Champions, Johnsons, Scott-Atwaters or Mercuries. A Yo Ho! was built—-see photos—-and the lessons learned are here incorporated for the final release as a perfected design. A boat for ideal cartop carrying should come within the limits set by the usual 52” car carrier spreaders, and should be reasonably flat in sheer to accommodate wide variation in car crowns. The Yo Ho! experimental model, preliminary to this design, was 12’ long by 48” beam, 16” depth. While her water performance fitted the outlined requirements, I felt that her rocker could be flattened a little without interfering with good rowing, that her dead rise could be increased to give a boatier feel, and that a pram type bow with a rounded block stem would take less bending. So our published and final version of Yo Ho! is one foot longer—l3 ft.; her beam is 50” over the sheer guard; and her depth has been increased io 18”. This accounts for the slight difference in modeling between the photo version and the design here. Another difference incorporated was to put the steering wheel on center. This gimmick is useful with 5 hp and over. So is a little water speedometer, shown on the dash. She is simplicity itself to build.
There is no sny in any of her planks--no twisting bends, in landlubber language-—to baffle the neophyte constructor. Anybody who can run a saw, use a plane, and drive screws can do about as good a job as a professional boatbuilder

4 pages, 3 plate(s)

Auto-Top Size Fisherman's Boat (Pub. No. 5863)

by Bruce N. Crandall

LOA 111/2 FT., BEAM 4 ft. 9 in., DRAFT 6 1/2 in., DISPLACEMENT 575 lbs.

An easy-to-build 111/2-foot, medium-high-speed, soft-riding utility, it's specially designed for low-horsepower outboards and features simple, light construction.

This is a general-utility, auto-topsize outboard boat designed for use with the modern economical 5and 6-hp fisherman’s motors. It is a developable-surface, sheet-plywood model, particularly easy for an amateur to build. The construction is simple and light, with relatively few frames, as the boat is soft-riding and not intended for use at high planing speeds, at which it could be subjected to hard pounding. It is light enough to be carried about on an auto-top carrier. An easy-planing and efficient bottom design is necessary to get the most economical operation from small 5- and 6-hp motors. Their gas economy may be quite poor on a hull which they cannot make plane, but they are capable of 30 miles per gallon or even more on a planing hull of the proper size. The type of bottom design used here is efficient and soft-riding at low planing speeds, though less efficient—uses more fuel for the speed, in other words—than many others at higher planing speeds. Compared to other bottom types, it is also quite efficient at semiplaning speeds, which helps make planing easier with small motors. It’s the large planing area and uniform angle of attack that make planing easier and increase efficiency at iow planing speeds. Absence of suction drag at the chines also increases efficiency at semiplaning and low planing speeds. The seating arrangement is designed for most efficient weight distribution at semi-planing and planing speeds up to 18 mph. With 5- and 6— hp motors, good fore-and-aft weight distribution can be attained with only one aboard, sitting in the stern seat steering by the motor handle, provided the fuel tank and all other weights are placed as far forward as possible. About the same weight distribution will result with the driver in the forward seat, steering by a wheel, and all other weights placed far aft. With two people aboard and the same 5- or 6-hp motor, the boat will be in semi-planing condition and therefore will stand more weight forward; thus two can sit in the forward seat with the rest of the weight aft, or one forward and one aft with all other weights far forward. With motors of less than 5 hp, the boat will always be in semi-planing condition, and it will be difficult to get the correct fore-and-aft balance with only one person aboard except by driving from the forward seat with either a steering wheel or an extension handle. With motors of about 8 hp, the boat will plane with two people aboard, and a steering wheel becomes necessary for safe operation. This is an ideal small fishing boat for most protected waterways, not only because of its exceptional efficiency with 5- and 6-hp motors, but also because it is very seaworthy and safe for its size. The freeboard is higher and the beam much greater than that of the average auto-topsize boat, making for much better stability. This same extra width, especially at the transom, makes for very poor efficiency at speeds below 10 mph, when the hull is in pure displacement condition—-for transom drag is considerable at these speeds. For this reason the hull will not be suitable for rowing any great distance, although it will handle quite well with oars while still-fishing. A hull for best efficiency at rowing speed or with a 1- or 2-hp motor should be very long and narrow, with almost no transom. This same inefficiency at slow speeds, however, especially the transom drag, makes the boat ideal for trolling with a 5- or 6-hp motor, as the transom drag acts much like a trolling plate or large bucket dragged behind and enables the driver to easily secure any trolling speed desired.

8 pages, 5 plate(s)

Travelpod (Pub. No. 7943)

by Charles R. Gretz

It's a Car-Top Boat, Carrier and Camper in One

4 page(s)

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