Who does not know kite — bonded multiple reechek a sheet of paper with a long tail from a bast! But few know that this seemingly only entertaining children’s toy has a long and interesting history.
They look close to the “classic” scheme: have a body and a fixed jaw, a screw that moves the movable jaw, lugs for attaching to the workplace. But for all its similarity to conventional new grip thanks to the clever solution of their design has acquired much greater opportunities, become universal. The main feature of the original clamping device, developed by Turner M. Babichev, Vitebsk machine-tool plant named after Comintern is movable sponge: it is made in the form of rotary drum. In other details the innovator has made the changes.
Because it is called two-handed saw that has two handles for two workers, each in turn pulling it yourself. But not always has an assistant. How to be? Me in these cases helps… fence: attached to it and to one handle of the saw pharmacy elastic bandage, and take another yourself, and doing fine. Read more…
Slowly, but steadily moved to the highest step of the podium, the master of sports of the USSR from the city of Tambov Yuri Remic. In the past, the renowned designer of flying models, he now received, as we think that “permanent residence” in self-similar sports. Extensive experience acquired in the model aircraft competition, the jury has been successfully used during the self-similar battles with high standard. He is a permanent member of the national team of the RSFSR. In its composition has repeatedly been the winner and the winner of the national Championships. For a lot of sporting success included in a national team of the USSR, one of the strongest in Europe.
Remote from the television station areas, in zones of uncertain reception of television signals of meter (MB) and decimeter (UHF) ranges have to install industrial television broadband antenna of the type ASP-8W, “LOCUS”, “DELTA”. Each of these antennas comes with a amplifier which can have a different magnification strength of incoming signals and is chosen for specific conditions of admission (for example, SWA14 gives signal gain 32 dB, SWA9000 — 38, SWA1L — 8 to 10 dB).
I’m a longtime subscriber of the journal “modelist-Konstruktor” — since 1968. However in the past two years, wrote out “Technique—youth”, but now once again gave preference to your journal. When my daughter was little, one of the publications engineer S. Kovalev “Recumbent for kid” (No. 7/1990) for her I made a similar machine only the materials and components used the ones that had, and even for greater stability and increased track database of home-made wheels.
Pumping a Bicycle tire pump regular takes often more time than similar work at the motorist. The main reason is air leakage through the connecting rubber tubing to the pump and the nipple of the wheel. Yes, and the tube often fails. I propose to replace this unreliable part with a metal adapter. Thread in Read more…
For modern engineering and many other sectors of the economy it’s not uncommon for such large structures, in which the Assembly or disassembly of powerful bolting already exempt from the ordinary hand tools or power one working. That’s why the innovators of Novo-Gorkovsky oil refinery created a powerful Electromechanical wrench. It is a two-stage planetary gear associated with seriesname DC motor with a power of 0.9—1.0 kW. The torque transmitted to them at the nut is 825 KGM.
Snowmobile patrol green — essential transport for the school of forestry. The machine is designed and built in the laboratory of autocostruzione Bashkir Republican station of young technicians, students in grades 8-9 by S. Speculum, Flue and V. V. Barkov.
Maybe for a log splitter and still one notch more or less on its working edge; do not depend on it, it will split the log or not. Another thing — the axe of a carpenter or woodcutter: here and the work is not work, if the blade becomes blunt. Not by chance a good Read more…
