To make the tension spring is easy: a tight navit wire round rod — coil to a coil. However, a spring working in compression, this technology is not suitable: between its coils must be a certain distance. In this case, help out a bolt of the correct size. Stacking wire into the threaded groove, we get a neat spiral with a specified step.
Recommend to read
BIRD “COMMUNAL”
To talk about what benefits the garden, vegetable garden or country site bring poultry, it is not even necessary. But it is, so to say, the practical side of the question. What a...
FLYING FORTRESS TUPOLEV
During the Second world war, 15 oil refineries of Romania gave Germany more than 7% of petroleum products supplied dependent countries and satellites. The aircraft long-range and...
