Often, while working on a model of a ship, I have to drill holes with a diameter less than one millimeter. To this end I have produced a handy drill machine. Maybe someone wants to make one for myself. To collect it is very simple, since it consists of the motor and of the two parts: collets & nuts collets. The collet and nut are taken already ready from of a compass. It only remains to drill at the end of the collet hole diameter of the motor shaft, push it on the shaft and solder. The battery and electric motor from any child’s electrohouse. O. MOROZOV, Bryansk
Recommend to read
THE FIRST ATTEMPT
It is not easy to get out of the big banks pickled cucumber or tomato, but this fixture is not difficult. Take the Wire of Ø 3 mm stainless steel and prepare three items: U-shaped fork,...
SKI BRAKE
When descending on alpine skis, as soon as the transverse or longitudinal load exceeds the set value, the binding automatically releases, freeing the foot from the ski. The detached ski...
