Instead of the usual wooden pegs were the same, but the plastic that slid more than the former and thus hold somewhat worse. To increase their reliability can be invested inside as shown in the drawing, a strip of corrugated rubber or plastic secured under the trailer springs.
Recommend to read
FORM FOR RIVETS
Offer a simple way for the manufacture of rivets. You must take two of the steel area of any size, clamp in a vise and drill the desired diameter, drill out the holes and then...
THE STORM “FIATS”
Soviet istrebitel-polutoraplan-15. In the early 30-ies of the last century in accordance with the existing at that period, the concept involving joint use maneuverable fighter biplanes...
