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
AEROBATICS OF A KITE
That a kite can be under the control of a pilot to perform almost a full range of aerobatics, very few people know. It should be noted that the modelers individual samples of superslow...
RING FROM THE BATTERY
In homes today, it is used quite a lot of galvanic power sources (batteries). Even the most "long-playing"-of them at the end of life just thrown away, though their metal body remains as...
