Humanity makes no attempt to build a perpetual motion machine each time moving further and further in this direction. But any engine stops sooner or later thanks to the laws of physics. Craftsmen, having received powerful magnets at their disposal, come up with closed motion systems, but to no avail.

Hello ladies and gentlemen. Today we’ll talk about burnishing, oxidation or blackening of steel. This is a surface coating method for steel with a thin layer of iron oxides. It protects the metal from corrosion, and also gives an attractive tint to the product. You can achieve black blue-black, gray or blue.

The article is devoted to the possibility of starting a three-phase asynchronous motor with a power of 250 W from a 220 V network not using a starting capacitor, but using a home-made starting electronic device. Its circuit is very simple: on two thyristors, with thyristor switches and transistor control.

Semi-automatic welding (MIG / MAG) includes a power source for the welding arc, a coil and wire feeder, gas equipment with a gas cylinder, wires, a torch, hoses, etc. If welding is to be done outside the workshop, then move it so bulky " economy "will not be easy without a special trolley, the manufacture of which we will now proceed.

From a hand circular saw and square shaped pipes, you can make a machine for sawing plywood and furniture panels in a home workshop. First of all, it is necessary to cut off four guides from the profile 40 * 40 mm (wall thickness - 2 mm) 2 meters long. We take two profile pipes, on the edges we fasten the boards 95 * 480 mm and a thickness of 15 mm.

A mini press is a useful thing for a home workshop and garage. With its help, the boards can be pressed firmly against each other, as well as the bearings are pressed into the "seat seats". In general, such an adaptation in the economy will certainly not be superfluous. You can make a simple homemade press with your own hands from the steering rack of the car - for the home workshop this is the best option.

If you plan to make repairs in an apartment or in a private house with your own hands, but you have never done this before, then professional advice from experienced craftsmen will definitely not be superfluous. So, in order to properly make the water supply under the bath mixer, the first thing you need to do is to correctly markup, always taking into account the dimensions of the installed bath.

Decorating a child’s room with a variety of small things is always nice. Moreover, it is simply necessary. After all, maintaining the coziness, comfort and good atmosphere in the house is the task of all its residents. It is good when children, on a par with their parents, take part in the improvement of their "personal zone". Such actions teach children not only to protect things, but also to create them themselves.

A multi-tier shelf consists of only 4 main parts: a wall beam, a metal zigzag bar (tube), brackets for fastening, boards for a shelf or chipboard. The number of shelves may vary depending on needs. From single-tiered to multi-tiered rack design. For the initial stage, we present a four-lane version of the drawing.

To make a piggy bank out of cardboard is not a new idea, but turning it into a mini attraction is already more interesting. There are many tricky mechanisms to replenish the capsules, the one that you will see is also very funny. Thanks to the transparent wall of the piggy bank, the movement of coins inside can be observed. DIY is not difficult to make with your own hands, all materials are easy to find.

During construction work, it becomes necessary to fill joints and cavities on vertical surfaces. Throwing the right place with mortar from the spatula in an old and inefficient way, a cement gun is useful for such needs. A homemade device works from a drill or a screwdriver. The feeding principle is based on the rotation of the worm shaft to which the solution flows by gravity from the tank.

One of the common options for leveling walls is the installation of drywall. Many craftsmen use this building material, because working with it is simple, and quick. No matter what the curved walls are, with the help of sheets of drywall they can easily be aligned. In addition, it is an environmentally friendly material that does not emit harmful components, and with proper use it does not crumble over time.