The threaded fasteners connecting the vibrating parts, require an additional safety net to eliminate the loosening of it. For this purpose, lock nuts, washers grower, etc.
In the domestic case, it will justify itself simple and fairly reliable reception: need nevinchany when the nuts drop on the threads of any glue.
Recommend to read
ON THE SIMPLIFIED TECHNOLOGY
The peculiarity of the proposed model-class submarine EL-500 (Fig. 1) the fact that her body is going from flat wood blanks. Thus it was possible to get rid of difficult for beginners...
MICRO-BLERIOT
At the Moscow city competitions on indoor models in 1975, first place went to Evgeny Ermakov. His model is a copy of the "blériot XI" rubber engine showed in the three games great...