To secure the various parts often used connection, using the so-called lock nuts. However, you can do without it. For this it is necessary to saw through the nut, as shown, and tightening it slightly to hit with a hammer.
Recommend to read
SOLDERING IRON-ECONOMY
Repair of electronic devices in radio is associated primarily with the need to restore the holes and the possibility of damage to conductor paths of printed circuit boards. We offer...
WINGED FOAM
"It's been fifty years since I work as the head of the aeromodelling circle in syut. Now faced With great difficulties: no aeromodelling materials; if the sets and be available, by type...
