Many original equipment for studying and doing something they demonstrated this year in Moscow at the International exhibition “Technical means in educational process”. Special interest was aroused by the exhibits of the Yugoslav firm. “Slovenia forest”, offering to students a convenient and simple to manufacture desks, tables, cabinets, characterized by versatility and modern design. Some good decisions this furniture was used in the development of published below a small combined wall for the student, which is both a bookcase, a Desk, tool box and work space for making all sorts of crafts, cutting, burning, Assembly of radio equipment, woodcarving and other activities.
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We offer our readers a model class S4B (raketoplan) designed by the famous Soviet athlete A. by Karapinar common aerodynamic configuration “duck”. She translates from planning mode to parauterine (forced landing) due to the deviation partneremployees stabilizer in the vertical position.
It is known that most of the screws ships — lobed, And consequently, when playing them on-models necessary to accurately mark the three holes on the propeller hub, placing their centers is strictly in increments of 120°. Of course, if you need just one screw, this is not too difficult, but a lot of…
We are talking about miniature and low-power VHF transmitter that operates at a distance of only a few tens of meters. The contractor, using a wireless microphone, can move freely around the stage and even down the hall, not being tied to a long cable with amplifying equipment. Sent by the wireless microphone signals taking on a normal VHF radio range. Then, if necessary, enhance them with powerful uzch and reproduced through loudspeakers.
Grind on a hand grater even a dozen carrots – consuming affair, and if you want to prepare food for Pets to shred large quantities of vegetables, fruits? I came out with a simple electric grater. Used motor power of about 200 watts, with a rated shaft speed of 1400 rpm. (it will fit the engine from a household bench grinder; can be used three-phase asynchronous capacitor switching circuit in a single phase network.)
There are restless people, they are literally turning on the seats, even when doing serious work. Why not meet them and not make the chair so that he could turn?
No manual clutches are difficult to handle small parts. However, they are not all easy: “the production process” occurs on weight, what kind of accuracy.
