BOARD AND SAIL

BOARD AND SAILBOARD AND SAILTHE WIND IN THE CONTEXT OF
 
The sail of the windsurfer is not the only element that produces thrust, but “the wheel” for manoeuvring. The air flow at the surface and water has a lower speed than the wind at a height of, say, three meters. Therefore, the load on the sail (corresponding speed) are proportional to the height from the water level and each overlying section of the sail will receive a certain twist in relation to the underlying (Fig. 1A).

Read more

RESCUE ROPE

There are situations when an urgent need to move light but large-size material: chipboard, sheet glass, hardboard or plywood, and at this time there. In this case, the rescue of suitable length cut “endless” rope (with tied ends). The sheet material should be placed on the longest edge and under the edges to make a Read more…

BOARD AND SAIL

BOARD AND SAILMANUFACTURER GUCHKOV
 
Gucci rider is two arcs, glued wooden slats and the United front a metal band, framed with a soft rubber bumper. Shkotovo (rear) ends Guchkov have holes through which the sheet (rear) corner of the sail go to the ends of the nylon stoppers — sheets. The stopper is placed on each gig in a convenient pull-up or weakening of the Scots place — it allows on-the-go to increase or decrease “belly” of the sail.

Read more

AQUAPAD

AQUAPADThat move through the water can be sitting for the PA log, and water starting from the first available under the hand with a stick, has been known for many thousands of years. For such a considerable historical period inventive humanity thought of a hollow log in the recess and that the horses of the stick to shape in the form of a paddle. In our time as a technique and the means of rowing remain approximately the same as in the days of the pharaohs.

Read more

HOME AUTOMATION

HOME AUTOMATIONStarted summer vacations, exciting travel, tourist trips. Among a variety of troubles, not the least is care leave for home plants or inhabitants of the aquarium. Some need daily watering, others — feeding. And you never know happens in the house other animals that require daily care.

Read more

SUGGEST MODELERS ERFURT

SUGGEST MODELERS ERFURTIt seems that it does not intersect the path of the guys involved in designing the different kinds of models. And competitions are organized separately, and laboratories of its own, Avia – and ship-, auto – and aerospace modelers. But it is necessary to have someone appear more interesting novelty to emerge of a technical idea and it becomes the property of all. It happened with the advent of glass, of which the first avtomodelisty, and then the young shipbuilders began to mold the body and the body is Now this methodology successfully applied by the designers of aircraft models. Here’s how to do it modelers from the city of Erfurt.

Read more