Buer Blue bird. Drawing, description

PERSONAL TRANSPORT: GROUND, WATER, AIR
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Buer Blue bird. Personal transport

Personal transport: land, water, air

Directory / Personal transport: land, water, air

Rapid gliding on the icy surface of our home-made ice sailboat-sailboat, feathered with a wing-sail, in general, predetermined the name of the winter yacht - "Blue Bird". It was built at the Central Station of Young Technicians of the Moldavian SSR and was intended to teach novice yachtsmen the art of sailing in the winter.

During the operation of the "Blue Bird" type buoys, it turned out that, conceived as simulators, they can also be used as racing ones, since they have good stability and maneuverability. Well, a decent carrying capacity allows them to be used for purely transport chains, for example, for the delivery of mail or small cargo. By the way, as it turned out, the boats are quite suitable not only for teenagers, but also for adults.

"Blue Bird" is built from the cheapest and most commonly available materials, which makes it possible to repeat it in almost any conditions.

The appearance of the buer is in Figure 1. Its sailing equipment is from the Optimist dinghy, it is possible that a specially tailored Bermuda sail could also be used.

Rice. 1. General view of the Blue Bird buoy (click to enlarge)

The body is plywood, reinforced with a frame made of pine slats. The sequence of manufacturing the case is as follows.

Rice. 2. Bouer body (click to enlarge)

Rice. 3. Skate (click to enlarge): 1 - skate blade, 2 - overlay

Buer blue bird
Rice. 4. Steering shaft: 1 - shaft, 2 - two-arm lever

Rice. 5. Front (steering) skate assembly (click to enlarge): 1 - steering axle, 2 - steering bearing, 3, 4 - washers, 5 - lever, 6 - skate cage.

Buer blue bird
Rice. 6. Plank: 1 - base, 2 - movable mast steps, 3 - screw with nut, 4 - pipe (steering shaft bearing).

Buer blue bird
Rice. 7. Rear skate cage

Rice. 8. Blanks of body elements and the scheme of their cutting from a sheet of plywood (click to enlarge)

From a standard (1520x1520 mm) plywood sheet, cut out a bulkhead, two knees, a nose and a bottom. The sheet cutting scheme is shown in Figure 8. The main rigidity of the body is given by two side rails with a cross section of 20x100 mm and a length of 2500 mm. The bow is a spatial structure consisting of a bottom, a bulkhead, two knees, a pine beam 70x100x580 mm and plywood sheathing 3 mm thick. The body elements are fastened with casein glue and screws.

The metal details of the buer are simple. Bolted connections allow you to do without welding, although the latter is preferable. The suspension assembly of the front steering skate includes a clip welded from two steel profiles "corner", a vertical stand (steel bar Ø 15 mm), a two-arm lever (steel strip 5 mm thick), a steering bearing (pipe with an internal Ø 16 mm) and two fastening rings. Suspension of the front bearing with a steel spring or a package of rubber washers. The skate itself consists of three parts: a steel blade and two duralumin linings.

The rear skates are no different from the front ones, but their clips are rigidly connected to the transverse beam of the hull.

The surface of a frozen reservoir can serve as a testing ground for the Blue Bird. It should be remembered that even a small amount of snow on the ice creates significant resistance to the movement of the ice glider, so full-fledged training is best done either at the beginning of winter, immediately after the ice has formed, or in March, after the snow cover has melted.

Author: D.Vysheslavsky

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