Many photography enthusiasts today use old lenses on modern cameras. Especially those who are into leisurely creative or experimental photography. For this purpose, an adapter ring is purchased with a bayonet mount matching the camera being used and a thread (or also a bayonet) matching the lens. Such accessories are produced by many companies and Read more…
Modern rocking chairs – something’s wrong with them! Made in a lightweight version, they practically lack moment of inertia. The proposed design does not have this drawback. It is assembled from sufficiently massive wooden parts, which contributes to an increased number of swings from a single push. At the same time, the chair does not Read more…
First of all, I thank the editorial board of “Modelist-Konstruktor” for promoting the ingenuity, intelligence and talent of ordinary people, for providing the opportunity to use their rich creative experience, concentrated in the magazine. Keep it up! For my part, I would like to offer readers a description of a very practical mini-truck. Practical in Read more…
Rowing oars allow for powerful strokes, but where the boat is heading is not visible – the rower sits with their back against the direction of movement. The propulsion system of the proposed design lacks this drawback – it is a pair of vertical hinged devices installed along the sides of the vessel. Externally, they Read more…
Having started setting up the household on a neglected dacha plot, I installed a cabinet with a sink in the kitchen. I hung a washbasin and placed a bucket underneath for drainage. This works for rural areas, but at least twice a day I had to take out the filled bucket and find a place Read more…
Usually, a bicycle is used for five to six months a year, and the rest of the time it sits idle waiting for the new season. But if you equip it with simple devices and supports, you’ll get an excellent exercise machine. Instead of handlebars, the bicycle-exercise machine has a bottom bracket unit installed (without Read more…
The propulsion system of this snowmobile consists of a rubber-fabric track made from a 300 mm wide conveyor belt and joined into a ring using a hinged loop. On its outer surface, cleats made of duralumin channels are installed, and on the inner surface – brackets that allow the track to be driven by the Read more…
In good weather, it’s pleasant to sit on the balcony at a table with a book or chess, have some tea or, on the contrary, refreshing drinks. However, at other times, the table is a hindrance on the cramped balcony space. The solution is to make a folding or drop-down version. One type of compact Read more…
Owners of private houses or dachas often face the need to prepare concrete solutions. Mixing water, gravel, and cement in a certain proportion is not difficult, but very labor-intensive, requiring considerable time and physical effort. And if it is necessary to perform large volumes, the process of preparing concrete or masonry mortar turns into hard Read more…
Brickwork is always in plain sight. Brick has a regular geometric shape, and against its background, uneven mortar joints are very noticeable and look unsightly. Maintaining the same thickness of joints between all rows of bricks is not easy even for an experienced professional mason, let alone a beginner or “self-builder”. However, there is a Read more…
