The need to sample a semicircular groove often occurs during the manufacture of home-made furniture or the construction of a garden shed. How to do it without the special tool! The figure shows the method of manufacturing such a groove with a conventional circular saw — a workpiece moving along the inclined installed a bar-rail. The tilt angle depends on the width of the groove and determined by the elementary measuring instrument of the type of a parallelogram and the line.
Recommend to read
THE WAY TO “EAST”
Model-a copy of the ballistic missile R-2 In 1951, took arms ballistic missile R-2 (product 8Ж38), created under the leadership of S. P. Korolev. Its performance characteristics were:...
CHAIN — NOSE PLIERS
Respond to readers, share advice. When producing model ships can not do without the device for links of the anchor chains with buttresses. Minor refinement of pliers (or pliers)...
