The culture of the people is determined by how it relates to their past. Of A. S. Pushkin. On the exhibit immediately drew attention. And boys, who know what’s what in this world, and the power adults, being unable to forget his long-standing affection for the small toy. And respectable newspaper, who saw the exhibition something significant and require a serious relationship. The book reviews were generous words of appreciation: “the most Useful information for fans, a balm for the soul for admirers, valuable insight into the history for beginners and a good start for the promotion important creations of the late XIX — early XX century…”
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In technical circles often there is a need for a wooden workpiece, having a flat, smooth surface. To ground the Board easy manual processing is laborious and requires specific skills. The machine, designed in the laboratory, missile and space simulation CSUT of the Kazakh SSR, allows to mechanize the grinding of wooden parts. The design of the machine is clear from the figure. Used to the drive motor of the brand AOL-21-4 power of 0.27 watts at 1400 rpm, but you can use any other motor with similar characteristics.
Blades from the safety razor is often used as a kind of microcycle. But keep them in the hands uncomfortable and unsafe. Holder, shown in the figure, will significantly simplify the business. The handle can be made of aluminum tube with a diameter of about 12 mm. One of its ends flattened and bent at a comfortable work angle. It bent the end of prikladyvaya steel plate, which split three threaded holes M3. Wrapped in two outer screws, and their heads serve as guides when installing the blade.
There comes a time when you suddenly notice. your wooden floors in the rooms or in the room begin to creak or appear defects such as swelling; the sagging, rotting. You begin to understand that no repair is necessary. The faults of the sexes, few who can avoid. In the palaces of nobles and kings Park! preserved to our time by Goy simple reason that the master was threatened with physical punishment for poor performance. Modern builders. unfortunately, often allow the marriage. Especially this sin of the so-called special master, abusing the fact that then they are almost impossible to find to draw to Troubleshooting. Relentless time on the floors, too, has its devastating effects.
In the past year (“M-K” No. 5 of 1979), we introduced our readers to the technology of refinement of microelectromechanical DI-1-3 and EDR-40 to install them on a flying model. The article evoked a wide response among modelers. Yes, otherwise it could not be: after all, nowadays, no one not vysavac>1 doubt the prospects of application of electric motors not just for cord, but for radio controlled models free flight. However, even the best examples of electric motors are still unable to compete with internal combustion engines primarily by power density, its weight IS1 resident students nutrition.
In Amateur practice it sometimes becomes necessary to connect to the layout of the electronic device or the measuring device of the connecting wires. Most convenient to do this using terminal, but under their hand often does not happen. Meanwhile, quite a handy terminal can be easily and quickly — just over a quarter of an hour to make usual tubes (toothpaste or cream).
As soon as the first snow fell, it became clear that the house has no need of such cargo winter vehicle as a sled. Child’s sled for a long time “went” on a well-deserved rest in a pile of scrap metal, and weak they would have to carry the heavy loads.
There was a time when a cracked handle of radio, split arm shift lever of the car has forced me to look for a replacement in the stores, and, frankly, often unsuccessfully. I tried to carve them out of various plastics or metal, but this was laborious and time consuming. In addition, not always possible to bring the home up to full compliance with the lost original.