During the Second world war, Germany was the leader in the development of heavy armored vehicles with wheel formula 8×8. After a good armored car Sd.Kfz.231(8 Rad), which was a frame structure, followed by Sd.Kfz. 234/1 with a monocoque body (see “armor collection” № 1, 2007). For these machines and their modifications was characterized by the presence of all eight of the steered wheels and two control stations. Four-axle, or, as they are often called, vosmiklasnica armored vehicles have been successfully used by Hitler’s Wehrmacht in all theaters of war until the last days of the Second world war.
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Because of the diversity of karts, built by athletes and produced by the domestic industry, the most advanced in design and for a number of technical characteristics is currently cards KS-76 designed in TSKTB DOSAAF of the USSR and manufactured by the Leningrad production Association “Patriot”.
Innovators of the Moscow machine-tool plant named after Sergo Ordzhonikidze developed an unusual screwdriver, equipped with a booster with transmission ratio 1 : 6. This means that one turn of the handle of the screwdriver results in six turns of the tightening screw. Such a screwdriver can be successfully used in small-scale and serial manufacture installation and other operations on mechanical parts, fitting and mounting work with mounting screws when fixing various caps, visors.
There are many simple homemade designs boat, but mine is probably among the most simple. To make it was not difficult: me and my friend Sasha Silantyev took this for two days. And the work was as follows. First of all, with the usual clamshell removed the tarp and springs, and also, cut the rivets, the arc of the headrest. For the longitudinal framing members used a tube from another old clamshell. To blend with a transverse pipe of the framework we came up with, we think, quite an interesting way. After cutting at the end of each longitudinal pipe is made semi-circular notch. At the point of joining on the transverse elements wound through three or four layers of textile adhesive tape and placing the longitudinal pipe, pulled the frame to a steel cable.
Remember PushPull fabulous animal which could jump not only forward but also backward, because instead of a tail he had a second head? About it can not help reminiscent of the original bilateral cutter, manufactured by the innovators of the Gorky machine-tool production Association. Tool on a conventional tool holder has two cutting inserts mounted on carbide lining and is mounted to the top clamps. Under the clamps located struzhkolomy.
