The editors have received many letters on the publication of “Biogas: and warms, and cooks” (see “M-K” № 1, 1987), based on the materials of the Romanian journal “Technium”. Of readers was attracted by the subject and documented in the design. Many are interested in the details of the devices bostanova, asking how to make the individual nodes. Further clarification and recommendations for possible solutions to the structural elements gives our consultant engineer P. Zach.
On a lovely summer day it would be good to get out with baby on the nature, but with a stroller is not very removed from the tracks — not that she’s “passing”. And without strollers how to create a child needs sleep? However, if you take advice, published in the Bulgarian magazine “Caprese yourself,” it is easy to make such campaigns a sort of “sleeping bag” baby — cloth suspended, like a hammock, bed, which is very convenient to walk in the woods.
Bit by bit is going to experience handling different materials in each circle. Often, the decisions and processing methods used by the guys during the construction of the models, to the surprise of the unexpected and successful. They dramatically reduce the complexity of individual operations, increase the quality of models.
A small table-type magazine for modern apartment comfortable and practical. Low and compact, it matches the low chairs and floor lamps, enhancing the effect of comfort, peace.
A year ago, and the compilation of materials on furniture for the baby, was told about the table-the bedside table, which also hosts all the “dowry” baby. Taking up minimal space, this nightstand provides young mothers maximum comfort when caring for infants. The publication caused a great interest among the readers; many of them have asked to bring drawings and description of the same structures. We offer another variant of this device, placed in one of the rooms of the Bulgarian magazine “Right itself”.
the Table is a working Board which can be raised and fixed on the wall very comfortable. This is usually done by one of the ends of the tabletop is attached to a wall bar on the hinges or the hinges, while the free, opposite edge rests on a folding stand. But in the retracted view, this design adorns the interior, because the stand is on the outside.
Familiar and typical of most courtyards of residential areas of the picture: instead of equipped children’s playgrounds — a traditional sandbox with no less than the traditional “mushroom”, in the best case two or three tubular “Spiderman” for climbing. That is why, and looking for other guys for them to play: entrances, indoor playgrounds kindergartens, shaded pergolas.
We already told about how in Czechoslovakia solves the problem of increasing the stability of the boat on the course by synchronizing the rotation of the propeller shafts in a twin-engine, twin-shaft scheme of the propulsion system. But the student of 7th class from the city of Tyumen Eugene Shein uses for double-shaft scheme engine of a single engine. Typically, such a transfer requires the installation of gear-distributor, Eugene is used to drive both propeller shafts rotating in opposite directions flexible shafts, springs. Gear now you do not need, springs are placed directly on the protruding ends of the motor shaft. Not a single unnecessary detail, and the desired effect achieved!
Those who had to work with small parts, you know how hard it is to drill holes in them, the axes of which would be strictly perpendicular to the plane. The slightest imbalance leads to marriage, and often to breakage of the drill. Even the holes are not cylindrical in shape.
To make a hole in a wooden part during the repair of furniture when the hand met the pen drill, using a metal tube from the bottle and drill. It is necessary to impose on the long M4 screw and lock a couple of nuts.
