Biogas. Used in Ancient China, and then millennia later, once again “open” as “non-traditional, environmentally friendly energy source of the XXI century”, it attracts a growing attention in our country. The evidence may, in particular, to serve the steady increase in biogas-related publications. Including in the pages of “Modeller-designer” (see for example, № 1’87, 5’88). Confirmation of steady growth in popularity, as well as the immensity of the topic of technical solutions for the production and practical use of “valuable gaseous product vyrobni (i.e., occurring without oxygen) fermentation (re-Pravaya) of the organic substances, previously falling under the category of worthless garbage”, and it is this article.
In the Russian self-similar sports, as worldwide, the most popular class of RC 10L. RC little micro-car is equipped with a motor of the type “Mabuchi-540” and the battery pack of the six elements. Control occurs through two channels — the turn of the front wheels and speed control of the motor. Competitions are held on the track, marked side; it can be fitted inside (in the hangar, hall, indoor stadium) and the outdoors. Body patterns repeat! real racing car in scale 1:10.
The second bread is often referred to as potatoes, thereby emphasizing the critical importance of this culture. But the complexity of cultivation, especially in individual sites, it is far not on last place. Especially if all the work done here the old fashioned way, without any mechanization. To make the gardener’s life is designed by me designed the device, which simultaneously performs two functions: tracer and planters. Seeing the art project at work, neighbors one and all, longed to have the same (boost, by the way, almost three times the productivity in the trace-landing) or equivalent for personal use. Only here to satisfy that request is not possible: no now I have neither the time nor the appropriate materials. But there are sketches in which (see Fig.) anyone can personally to make this accurate (and the main thing — quite efficient) a copy of any “mechanical wizard”.
Thank you so much, friend magazine, for the development of welding transformers. Inspired by the publications took a chance and made themselves compact, but quite powerful “svarochnik” based on “on the margins” of the burnt stator from a induction motor. Now that dream is about as good design of the rectifier… help me out, dear journal. On you one hope!
It would seem that the screen has gone forever from our life. Really, where now you see her —is amongst the theatrical props. And whether it is necessary in a modern apartment? It turns out — the need for it arises today. For example, in one malogabaritki the screen can be separated, for example, the bed of a sick or elderly person, a sleeping place of a child. In addition, it is now customary to organize housing according to the functional areas and its role here can play a screen. Furthermore, a beautifully executed, it becomes a winning decorative element of the interior.
-Models, if they are perceived as more or less concrete something resembling a real airplane, was and will be the most popular among “civilized” modelers. Sports car designed for “combat” conditions of hard competition, for all their attractiveness, have become so over-engineered that to take up their construction venture a few units.
