Isn’t that a stark contrast: while the fields of collective and state farms are treated today powerful “Kirov workers”, the private plots of rural workers in the old plow at best plow horse, and at worst — just dig with a shovel. This work is unproductive, time-consuming, moreover, requires considerable physical effort. That’s why many of the “homebrew” without waiting for the industry mastered the production of agricultural micro-technology, develop and produce motology and microfracture, cultivators and power hoes. In today’s publishing, you will be able to meet with the drawings and description of a homemade motor-plow, constructed a work of pumping plant VI Petruna from the village Svessa, Yampolsky district, Sumy region. Design although it did not meet all the requirements of modern design, completely reliable and fully justifies the name of metaphora.
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Pump chamber of a Bicycle wheel, for example after repair or tire, the operation is quite tedious because of the low performance of the supplied pump. Besides, there are pumps, hose attach at the end — then the job is also heavy. Because the pump has to keep on weight, creating pressure with one hand and the other opposing him, that is producing double the work.
In recent years avtomodelisty closely watching the development of a new direction for technical activities and sports design of high-speed radio controlled model with internal combustion engine. At first they were built by high-class athletes, but now a lot of successful and budding. What are the athletic requirements for these models, and some technical data have model classes f-I and f-II?
Compact and handy knife for “cutting” the cable created by the participants NTTM from Leningrad. Tool — it was called Baltika is designed for longitudinal and cross cutting of hose skins. It consists of a housing-handle, a bracket of rectangular form, the spring loaded cutter and the buttons rotate.
Remember how unenviable position was one of the heroes of the book of Ilf and Petrov “the Twelve chairs”, when he slammed the door with an English castle? Of course, tragicomic the described situation is presented in a slightly grotesque form, but still… there are cases when the owner of the door lock with automatic latch we have to sneak into their apartment through the window or through the door.
This “bouzoukia” developed in the aeromodelling circle regional station of young technicians in the city of Murmansk. Speaking with her at the regional competitions, an eighth-grader Sasha of Beidou became the champion among students. Design feature — a fiberglass sock of the wing, much increasing its survivability.
When gluing the components usually have to be tightly pressed against each other for a long time. To apply for this clamp is not always convenient, especially when glued with thick objects. So I made here a mini-press. And it serves me for many years.
