Monoski-surfer. Drawing, description

PERSONAL TRANSPORT: GROUND, WATER, AIR
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Monoski-surfer. Personal transport

Personal transport: land, water, air

Directory / Personal transport: land, water, air

On the opposite slope of the ravine, from where the trunks of pines, gilded under the bright winter sun, rise upwards, a skier descends. It rolls down the fresh, fluffy clean snow that fell during the night and now. Here he sharply turned across the slope, raising a snow plume behind him, slowed down for a second. And again down, again to the side. Steep sharp turns, dives and stops. You can't do that on skis, even on mountain skis, even on hard crust. Yes, and he stands somehow in a special way - either with his back, or facing the slope. He does everything easily and freely, with just an inconspicuous tilt of the body, it seems almost effortlessly...

He went down, raised his light snow surfer - and up again to the pines and the sun.

They just don’t come up with anything for skiing from the mountains: sleds of various designs, skibobs, mini-skis ... our magazine regularly talks about all of them. Recently, many have become interested in the land surfer, who was called "skatingboard" - a skateboard. However, you can only ride it on a hard surface: concrete or asphalt. For the winter season, a snow surfer is designed, which resembles, especially in control, a skateboard.

Snow surfer - a short and wide mono-ski, plastic or wooden. The front part of it, as it should be, rises steeply, the back is slightly less bent; starting from the middle, the ski expands significantly. In cross section, it is an inverted trapezoid: this shape of the sliding surface allows you to make turns or slide off the mountain on the side edge, while when descending the slope, the entire area of \uXNUMXb\uXNUMXbthe ski is used.

Below, along the structure, there are eight metal edges: six on the inner and two on the side spars, and on the expanding part they are reinforced in two rows. Crashing into the snow, the edges do not allow the ski, for example, to slide off when moving across the slope; this is especially effective on a hard - rolled or icy slope. To increase the efficiency of braking, the edges of the rear row are located at an angle to the longitudinal axis: the inner ones have an angle of five degrees, the outer ones - ten. It would seem that the edges, especially the back ones, must be made curved in an arc corresponding to at least the minimum turning radius of the ski, however, as practice shows, it is quite possible to install a straight edge.

Monoski-surfer. I - general view: 1 - upper half-shell, 2 - foam filler, 3 - corrugated coating, 4 - steel piping, 5 - lower half-shell, 6 - seam sizing tape, 7 - spar. II - placement of edges on a sliding surface (click to enlarge)

Making a wooden mono-ski (click to enlarge). A - preparing the toe of the ski for bending, B - forming a bend on the block, C - manufacturing the sliding surface of the ski: 1 - body, 2 - edging, 3 - plastic gasket, 4 - tin sheet, 5 - fixing screws

Along the entire monoski - a groove runs in the middle of the sliding surface, stabilizing its position when moving on straight courses.

You can make a snow surfer using a matrix method using fiberglass and epoxy resin: this technology has become widespread and well known.

Stainless steel edges must have a T- or L-profile. This feature affects primarily the design of the "doodle" and is due to the presence of shallow grooves at the places of their subsequent gluing. In order for the edges to be firmly held in the body of the ski, not to loosen or fall out, it is necessary to drill several holes in each of them and thread strands of fiberglass, which are then embedded in the grooves.

First, both halves of the shell are glued - their thickness should be about 5 mm - and pieces of foam are tightly glued into them on epoxy resin; protruding parts of the material are cut flush with a heated wire. The subsequent operation is gluing both halves and gluing the seam with tape. It is recommended to use fiberglass with a thickness of 0,4-0,6 mm and lay it in 10-12 layers with an overlap of 3-4 mm, while taking pieces of any length.

It is even easier to make a mono-ski out of wood, but it will turn out to be somewhat heavier. The only difficulty here is the formation of the front bend. You can simply "dissolve" the sock into several layers with the help of cuts and steam them in water, boiling for 2-3 hours, and then dry them on a profile blank with a given bend. After that, they are glued together: always with waterproof glue.

Sealing edges into the body: A - edge, B - cutting the foam with a string, C - sealing the strands: 1 - lower half-shell, 2 - edge, 3 - fiberglass strands, 4 - fiberglass elephant

Monoski surfer
Monoski control techniques: 1 - acceleration of movement, 2 - deceleration of movement, 3 - making turns

The lower, sliding surface is finished with plastic and upholstered with tin or sheet aluminum. A corrugated (for example, rubber) coating is glued on top of the support pads.

Learning to control a snow surfer is easier on a gentle slope. Get on the ski and shift your body weight slightly forward to gain speed. Keep your legs relaxed, slightly bending at the knees and trying to absorb the unevenness of the slope. To slow down, shift the weight of the body back, then the edges diverging like a fan will create additional resistance to movement.

When turning, increase the pressure with your toes or heels on the side of the ski where you want to turn.

A rope pull with a wooden handle, attached to the toe and in the center - at the support platforms, helps to stand on a mono-ski. Holding these "reins" tight, it is easier to maintain balance on the "running away from under the feet" sports equipment and it is easier to "ride" it.

Authors: Y. Zotov, N. Shershanov

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