In the staff room phone rang: asked physics teachers. Some of those present said: “Now it’s in the shop”. How to be? Because the school has no internal telephone communication and without the “intentional” here, perhaps, is not enough.TO DRILL THE FLYWHEEL?
Drilling steel mechanical hand drill even in the upright position without special tools is not easy: need and pressure to create, and perpendicular to endure. What if you set one of the axes of a two speed drill heavy flywheel? Here, the gyroscopic effect will get, and the increased mass with the increase in pressure Read more…
In 1921 pyatnadcatiletnij student Alexander Yakovlev read a book on the history of technology. In one of the chapters talked about the emergence of aviation, there was a model description of the airframe and was given his scheme. And here’s the apartment… turned into a workshop. Smells like glue, the floor littered with shavings and scraps of paper. No games, walks, entertainment. More than a month was built by Alexander of thin pine planks, obtiva them with paper and fastening with nails and glue glider model.
In a small garden house or in a small room at the cottage this furniture will be very functional though, because that day, being assembled in position “sofa”, takes up little space, and at night turns into a large soft bed. This sofa bed besides convenient both for transportation and for storage because the lightweight and collapsible. It consists of two main parts: the soft the hard mattress and slatted base.
The so-called deaf — solid fences, of whatever material they may be built that produce unpleasant experience and certainly not adorn a garden or summer cottage. But light hedge or fence from mesh-netting is not always and not all satisfied, I want something more permanent and durable. Perhaps some compromise can serve as a homemade fence made of shaped concrete bricks, each of which has in the middle a kind of window: thanks to this fence for all its monumentality it turns out delicate, lightweight and looks very aesthetically pleasing. Hungarian journal “Earmaster” reveals the secret to getting these blocks of concrete — on a fairly simple technology that is available to anyone interested.
NOT YET — HIS HANDS
Many hobbyists and tinkerers have a tabletop lathe woodworking machine STD-120 and its modifications. There are machines and in school workshops. The presence of such equipment allows like young homebrew, and podnatorel handyman to create wood original, beautiful machined parts decorative and utilitarian purposes.
Machine, about which speech will go, was created as a commercial vehicle, which helps to survive in our difficult time. The car gave me and my son for almost a year. I would like to thank the inspector Gostekhnadzor R. L. Markin. He is also an avid homebrew and a lot of things made with their own hands. And helped us in word and deed.
