My fifth-grade grandson recently came to me with a request: he needed to come up with a project for 3D printing, the kids from the internet would download toy soldiers, but he wanted to make something useful – could I help? A tin can caught my eye. – Try to find the center of a Read more…
It happens that a stud or tap gets cut off or broken, remaining in the hole. An unpleasant situation, but not hopeless. A proven technique will help: the hole needs to be drilled out to a larger diameter that allows extracting the fragment, cutting a thread in it, and screwing in a bushing for a Read more…
To check the operation of the trailer’s lighting system, two people are needed: the driver turns on the switches and presses the brake pedal, while an assistant monitors whether the signals on the trailer light up correctly. I made a device that allows you to quickly check the operation of the trailer’s electrical equipment alone. Read more…
For many years, I have been mounting my amateur radio homemade devices in universal cases made according to a single scheme. This is a frameless construction consisting of two U-shaped parts: a base and a cover. They are made from sheet steel of the required thickness (usually from 0.3 to 1 mm), which when connected Read more…
While choosing equipment for snowboarding, I came across an article on the internet about Eskimos. More precisely, about how representatives of this people of the far north protected their eyes from sunburn. This problem is known to winter sports enthusiasts – skiers, snowkiters, mountaineers, snowmobilers – everyone who spends a long time on white snow Read more…
Sometimes a load lifted by a crane beam or winch (when replacing an engine in a car, for example) needs to be lowered slightly to the side from the suspension point. In this case, an auxiliary balance beam made from a suitable pipe or T-beam may come in handy. An eyelet for the crane hook Read more…
Paraphrasing a well-known saying, I will say that in our family, the husband proposes, but the wife disposes. For example, my beloved wife wanted to organize a recreation area on the plot where she could sunbathe and lounge with a book. And butterflies must flutter around! Who would bring this fantasy to life? It became Read more…
Throughout most of the Cold War, the Socialist Federal Republic of Yugoslavia (SFRY) and the Socialist Republic of Romania (SRR) were the most “rebellious children” in the family of socialist countries. Yugoslavia, under the leadership of Marshal Tito, not only did not join the Eastern Bloc but was one of the key countries of the Read more…
I had long been planning to build a single-seat racing car, similar to those that race in Formula. But… I got an old “Oka”. Although it was still running, its body was completely rotten: grass was growing from all the cracks! Restoring the vehicle made no sense. Well… so instead of a road-racing sports car, Read more…
After the end of World War I, Czechoslovakia found itself in a unique situation. It inherited a powerful industry from the Austro-Hungarian Empire, including automotive, comparable to Germany and France. However, the volume of the domestic market of the new state was small, and to survive, automakers had to focus on exports. In the early Read more…
