Drilling steel mechanical hand drill even in the upright position without special tools is not easy: need and pressure to create, and perpendicular to endure. What if you set one of the axes of a two speed drill heavy flywheel? Here, the gyroscopic effect will get, and the increased mass with the increase in pressure on the drill. To fix it everyone will be able on its own.
Recommend to read
ROCKET PLANE PILOT MENSHIKOV
He is still a pilot. Because I do not imagine myself without the sky. However, today the pilot He doesn't goes up to the sky at the controls of an aircraft in the air it shoots miniature...
FOR ALL OCCASIONS — VAMA
The old masters of carpentry there is a very handy versatile tool, which is to remind home to craftsmen working with wood. The device is called Vama. It is an indispensable tool when you...
