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
MIRROR FOR BIRDS
In the second half of the summer birds of the defenders of the orchards and gardens of our loyal friends turn into worst pests, causing considerable damage to crops of fruits and...
TEE+PIPE+TEE=…
...No, not guess: not the water column, and not a pipeline. Young technicians secondary school in the village Pashkovsky Krasnodar territory as a result of creative "addition" to the...
