Of tubes of different diameter, tightly placed one on another, you can build a jig for drilling end holes in cylindrical rods of various cross sections. For the outer bushings are better to use a steel tube with a thickness of 0.5 mm, and the inner insert can be bent any sheet metal. V. MARTINTON, Novocheboksarsk
Recommend to read
ON THE ROAD WITH THE DACHA
The idea to build a transportable dacha came to me back in the days when road service was just a dream for car travelers. So I decided to provide it for myself. I must say, the dacha I...
THE SECRETS OF “TRAINS”
A lot can be called the factors contributing to the decline in the popularity of automodelisme among boys. The problem is not only with good engines, but even with fuel for training, the...
