Before you drill cylindrical in shape, its surface need to procure under the drill “the hole” — to stake. But not so easy to set the core to such detail. Helps may this simple device, consisting” of two halves: the bottom serves as bed for the most part, and on top of the guide pins worn shaped clamp with holes for the core. It is much easier to work, improves the accuracy of markup. The fixture will stand in good stead not only at home but also at work. N. PASHCHENKO, Turner, Donetsk region.
Recommend to read
INSTEAD OF OARS – A SAIL
The “Volna” inflatable boat, popular among water recreation enthusiasts, can be easily converted into a real sailing dinghy. The drawings of the universal sailing rig published in this...
PNEUMOPERCUSSION
With all its advantages of an inflatable boat of any design has the same General disadvantages: Shorty wislica, turtle speed and bad handling. From all of them at once we managed to get...
