In aeromodelling clubs of the pioneer of the Kominternovsky area, obsut and Kharkiv high school № 112 in a few years, work is underway on the co-axial model helicopters. Their designs are different, but they steadily fly. The following model is one of the latest versions. In the competition “Experiment 78” in the class of timed models of helicopters, she won first place.
The times when concern about human health in our country was a matter of state, has sunk into Oblivion. Quality free health care now depends on the good faith of the doctor, and paid from the amount You are able to “detach”, and even then not always. So I advise you to take care of their health themselves. As you know, the sister of health, physical education, and brother — sports and first assistants they have sports equipment. One such well-known and the simplest of structures is the bar — elastic crossbar mounted on the uprights.
At first, like most beginning hams, mounting holes in printed circuit boards, I drilled using a universal tool — drill. But as it turned out, to produce a small hole (diameter less than 3 mm) and high precision hand drill — helper bad. Broke a lot of drills and spoil a few boards came to the conclusion that technology needs to be changed and without a drill rig I can not do. When searching the shops and markets and buy for my old drill never found, decided to make a small tabletop drill press, the benefit of some of the mechanisms and materials for it were available, primarily the motor and the cartridge. Before commencing, determine what machine I need. There are two most common of their design. The first one is used to supply rotary tool to fixed on the table the workpiece. The second is when the table together with the workpiece is fed towards the cutting tool.
Collect fruits in a basket or basket, of course, convenient, But what if only a cardboard box or a box made of thin material plates? The output tells the picture. Steel wire lignite grip handle. It securely holds even a box of soft cardboard: it does not bend, and the fruits are not crushed.
This little torpedo boat continues a series of models for competitions. The model is simple to manufacture and has good driving characteristics.
Over time, knives to the grinder are worn down and there comes a point when its working elements a gap. To eliminate his nevinovna end of the nut is no longer possible. The result is grind products are not cut, crumple, CA recycling CIP spent two to three times more. To choose this gap is Read more…
In our home the garage there is a well-worn snowmobile “Buran”. I’m not going to Express their attitude to it in General, because the views of the owners on this issue diverge. However, the work of his heart — the motor always caused not only anxiety, but also from year to year required surgery. Every summer, making these “sleighs” for the winter season, in the engine due to wear and something changed: the rings, liners, pistons.
In early December 1939, the T-100 with a company other machines arrived at the front and soon participated in the fighting against the white Finns on the “Mannerheim line” in the composition of the 90th tank battalion 20th tank brigade. It experienced heavy tank, which was not adopted, not mass-produced, has just finished field tests, and the military command decided to continue the test by sending in the army to the front of the Finnish war. Your main battle tank survived the 19th of December during the break the Finnish positions when the battalion managed to break through the line of bunkers in the area of money. But here one of the vehicles hit a land mine and the T-100 had artillery and machine gun fire for a long time to cover it up by stalking the white Finns, while the crew tried to repair the damage.
I’ve been a longtime reader and a regular subscriber of the magazine “modelist-Konstruktor”. For nearly forty years, not only got acquainted with the machines and mechanisms for designers and fans, but also created their. So we can classify themselves as a cohort of “DIY” with the experience. Built mainly teleoperative and transport equipment (walking tractors to monster trucks). Something from a previously created dismantled or altered, some sold, and some exploit until now, for example, a mini-tractor (or rather, self-propelled chassis), which design and present to readers.
When apartment, Villa or house have two entrances, it is not always clear where to call. Electrosonic, which tells of the Bulgarian journal “Radio Television Electronics”, rid us of this inconvenience. When you press the button S2, relay K1 cambiocorsa their contact close. Simultaneously, lamp H2 lights up. Call H3 will beep until until the capacitor C1 is not charged up to the supply voltage. To signal again, the button S2 is released, and the capacitor C1 is discharged through the winding of the call. H2 lamp continues to burn as long as the supply circuit of the relay K1 will not open with button S3.