Not always easy to drill an inclined hole upon rotation of the auger glides over the surface without the ability to “hook” for a scheduled core. To perform a task in seconds, if you break it into two stages, drilling perpendicularly mounted to the surface of the drill bit to a depth equal to half its diameter and then the hole to the desired angle, resting against the edge of the hole.
Recommend to read
The FAILED COMPROMISE (Ka-17)
Operation of the first single-seat Ka-8 and Ka-10, created in OKB N. And. Kamov, showed obvious advantages of coaxial-rotor. Along with the compact that was excellent handling and...
A simple voltmeter
measuring constant voltage value of 100 V. It is produced by the bridge circuit for the transistors T1 and T2. In one diagonal bridge included a measuring device in the other power...