Motorboat Veterok. Drawing, description

PERSONAL TRANSPORT: GROUND, WATER, AIR
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Motorboat Veterok. Personal transport

Personal transport: land, water, air

Directory / Personal transport: land, water, air

Motorboat "Veterok" is designed for operation with an outboard engine with a power of up to 25 hp. The mass of the boat without an engine is about 70 kg, the speed is up to 45 km / h.

First, about the hull design. Its frame is frame-stringer, sheathing is plywood, glued with fiberglass on an epoxy binder.

For the construction, you will need dry pine bars, slats, plywood (the dimensions of the blanks are indicated in the table).

Work on the manufacture of the body begins with drawing a plaza or one projection of the "body", or in combination with the projections "side" and "half-width". For this, a sheet of hardboard (plywood) is quite suitable. The marking of the plasma ordinates must be performed with maximum accuracy so that in the future you do not have to correct errors with a chisel or planer.

The second stage is the manufacture of frames. This will require plywood with a thickness of about 20 mm. In the absence of such, you can cut a double set of blanks from plywood 8-12 mm thick and glue them together. For the transom board, you will need three similar blanks.

When marking frame blanks, keep in mind that the theoretical drawing - including the "hull" projection - shows the outer contour of the skin, so the practical contour of the frame must be underestimated relative to the theoretical one by the thickness of the skin.

Theoretical drawing of the motorboat hull (click to enlarge)

Motorboat hull design (click to enlarge): 1 - keel (beech, bar 60x60); 2 - stem (beech, board s60); 3 - back scarf (pine, board 250x20, 3 pieces); 4 - brace (steel, strip 30x5); 5 - transom (plywood, s30); 6 - frame (plywood, s20, 10 pieces); 7 - bottom and side stringers (pine, rail 30x20, 12 pieces); 8 - cheekbone stringers (pine, rail 40x40,2 pieces); 9 - board sheathing (plywood s4); 10 - deck stringers (pine, rail 30x20, 5 pieces); 11 - keel bar (pine, bar 100x60); 12 - scarf (pine, board 150x20, 2 pieces); 13 - corner stringers (pine, rail 40x40, 2 pcs.); 14 - front scarf (pine, board 150x20, 2 pieces); 15 - overlay (beech, rail 25x20, 2 pcs.); 16 - deck plating (plywood s4); 17 - bottom lining (plywood s4); 18 - splash guard (beech, board 70x20, 2 pcs.); 19 - cockpit edging (beech, rail 40x40, 2 pcs.); 20 - fin (duralumin, sheet s6); 21 - duck (beech, bar 50x25, 3 pcs.).

Frame and transom configuration

Installation of the slipway (click to enlarge): 1 - keel beam; 2 - tragus; 3 - braces

The third stage is the manufacture of the slipway. For it, you will need three tragus and a keel beam, the dimensions of which are in the figure. It should be remembered that the lower part of the beam must be strictly horizontal. Under the frames on the beam, grooves are cut, the width of which corresponds to the thickness of the frames.

The fourth stage is the installation of frames on the keel beam. The plane of each frame must be strictly perpendicular to the keel beam, and their position relative to the lower (horizontal) part of the keel beam must correspond to the theoretical drawing (projection "hull"). Then, grooves for the stem and keel are marked and selected on the frames, after which these frame elements are attached to the frames using epoxy glue and screws.

The fifth stage is the installation of stringers. The grooves are marked in accordance with the drawing of the frame of the motorboat. The stringers are attached to the frames with screws and epoxy glue. Screws are best used stainless, for example, galvanized or chrome-plated. After the adhesive has cured, the frames and stringers should be silenced using a flexible rail as a control tool.

The sixth stage is plywood sheathing of the hull frame (the scheme of the operation is shown in the figure). To do this, you need sheets of plywood 4 mm thick. In the manufacture of cladding elements, it is recommended to use patterns made of thick paper. The sheathing is attached to the stringers with epoxy glue and galvanized nails. It is best to start work from the bottom, then move on to the sides and, last but not least, to the deck. The hull of the boat is treated with sandpaper, leveled with epoxy putty and glued with a layer of fiberglass. At the same time, it is recommended to “mold” (tightly rub with a dry cloth) a thin polyethylene film to individual surfaces of the housing. This not only speeds up the polymerization of the epoxy resin and reduces the evaporation of harmful polymerization products, but also produces a high quality surface with little to no additional processing.

The inner surfaces of the body are carefully cleaned and covered two or three times with hot drying oil with intermediate drying of its layers. Final processing - covering with an oil varnish.

Assembling the frame on the slipway (click to enlarge): 1 - tragus; 2 - frames; 3 - keel bar; 4 - keel; 5 - stem

Assembling the bow of the frame (click to enlarge): 1 - stem; 2 keel; 3 - cheekbone stringer; 4 - frames; 5 - tragus; 6 - mounting brace

Motorboat Veterok
Steering design: 1 - steering wheel; 2 - steering shaft; 3 - drum; 4 - roller; 5 - cable; 6 - screw lanyard; 7 - traverse; 8 - inclined rack; 9 - keel bar

Motorboat Veterok
Frame sheathing: 1 - tragus; 2 frame; 3 deck stringers; 4 - transom; 5 - sheathing; 6 - cheekbone stringer.

Motorboat control - cable, driven by a steering wheel, which, together with the steering shaft and drum, is mounted on an inclined rack in front of the cockpit. Cable wiring includes two self-orienting rollers, a screw lanyard and a tubular traverse.

The sofas of the driver and passengers are lightweight frames, sheathed with slats with a section of 50x25 mm, covered with several layers of hot drying oil and oil varnish or several layers of parquet varnish. The design of the sofas allows you to put them in the cockpit and easily remove them before sailing.

Last of all, a splash guard, a windshield and three or four ducks are fixed on the deck, and fenders (beech or oak slats) are fixed on the sides.

Here, in fact, are all the recommendations for the manufacture of this simple motorboat. We hope that readers will appreciate its nautical and operational qualities.

According to the materials of the magazine "Tehnium" (Romania)

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