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
FIVE MINUS THREE
Convenient headlamp Chinese led lights can be purchased everywhere. They are all very similar and the only difference is the number of LEDs and therefore — in value. The inside of the...
HOLE WITHOUT A DRILL
How to get a large round hole in the soft and thin plastic? Instead of drill it is convenient to use an ordinary drawing compass gauge: one of the two legs are sharpened the blade and...
