Existing timers is different in design and purpose, devices for actuating the respective devices, which should be activated at a predetermined time. On sale they are available but are expensive. At the same time, for domestic purposes, many of them can be made their own, and in its simplest version. For example, using the old mechanical alarm clocks. They have a very winning for this feature: crown of lamb at work call rotates. That in itself is already a ready enforcement mechanism: “lamb”, turning, can push, say, a microswitch (e.g., MP-1), which make it work radio, lights, a tape recorder or even a device for watering the garden.
Offer readers acquainted with the original design of universal self-propelled tools, built by my brother Alexander. As he says (jokingly, of course), the idea of such a machine came to him out of laziness. Very much wanted all his life to do the heavy unproductive jobs, because, unfortunately, the village was not uncommon, when the peasant is forced to use antiquated agricultural tools.
Strange trail remains for these sleds, rapidly descending from the mountain: the impression is that someone drove on one ski. And only bends on the side added short stroke of the second track. Unusual sports equipment, the construction of which is available to all lovers of breathtaking skiing the steepest slopes, has developed our reader from Magnitogorsk Sergei Chadin. Made of wood, the sleigh combines originality of design and ease of performance. For their manufacturing are required Board or thick plywood and a saw.
But not to throw out it! And involuntarily thought creeps in to make it a foldable frame. The same as, say, the “Kama”. I reviewed the literature on the subject (including the publication in “M-K” № 3, 1990) and left unsatisfied — too difficult was the recommended design. Had to develop my — more simple. Tried it and now offer to the readers.