Walking oars. Drawing, description

PERSONAL TRANSPORT: GROUND, WATER, AIR
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Walking oars. Personal transport

Personal transport: land, water, air

Directory / Personal transport: land, water, air

Traditional swing oars allow you to make a powerful stroke that sends the boat forward sharply. But at the same time, it is not clear where the boat is heading: the rower sits with his back to the bow, and in order to correct the course, you have to look around every now and then, especially if he is alone and there is no one to tell which of the oars needs to work more actively in order to straighten the course. The exception is kayaks: they are rowed looking ahead, which is explained by the peculiarity of the rower's landing - facing in the direction of movement.

However, a similar advantage can be achieved on ordinary boats if they are equipped with unusual oars, the design of which was proposed by the American magazine Popular Mekenix. They are vertical articulated devices on the sides of each side, outwardly resembling the legs of a grasshopper. The comparison with legs is all the more justified because the movements of these oars can be called walking. It is easy to verify this by familiarizing yourself with the features of such a rowing device.

Each oar consists of two boards: one acts as a rowing blade, and the second - a bracket that provides the blade with a vertically inclined position. The boards are joined to each other by the ends using a card loop attached to the bolts. In turn, the brackets of unusual oars are connected at opposite ends by a horizontal board-crossbar. With the help of this crossbar, the oars are installed on the boat on both sides in front of the rower and are fixed in this position with clamps.

Propellers (click to enlarge): 1 - blades; 2 - handles; 3 - hinges (card loops); 4 - brackets; 5 - cross member; 6 - braces; 7 - clamps; 8 - sides of the boat

On the crossbar, the oar brackets are also mounted on card loops. Each of the oars has a guy line, consisting of a rubber shock absorber (for example, from a sports expander) paired with a restrictive clothesline cord - to maintain the required inclined position of the bracket at the time of rowing effort.

How is the stroke itself performed with unusual oars? To do this, a handle is attached to each of the blades, similar to ordinary door handles, or just a bracket. Holding on to the handle, the rower also controls the blade - when he raises (the rubber shock absorber of the bracket helps him in this), feeds forward and, lowering, pulls each oar in turn or both together.

To keep the oars light, it is better to take well-dried thin boards with dimensions (approximately): for brackets - 500x150x10 mm, for blades - 1500x150x10 mm. The specific dimensions of the oars and crossbars will correspond to the size of the boat. The work with oars will also depend on them: on a narrow boat, the rower will cope with this alone, on a wide boat, two will have to sit at the oars: one for each oar.

Before assembly, to protect against moisture, the oars and the crossbar should be soaked with hot drying oil and painted in several layers with oil paint.

"Walking" oars are interesting not only because they allow the rower to sit facing forward. They will be indispensable in shallow water, where ordinary oars scrape along the bottom, not providing a normal stroke, and "walking" ones will allow you to rest against the bottom, like poles. Their advantage will also be indisputable on waters overgrown with algae: their almost vertical movement will not allow plants to wind on the blades, as is usually the case with traditional oars.

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