The familiar metal lids from bottles will serve no worse than the famous springy washers. Grover thanks to its ribbed “skirt” that will prevent accidental removing of the screws in the joints of any parts subject to vibration.
Recommend to read
STARTER FOR REZINOMOTORNAYA
In the circle model airplanes syut city of INTA has designed an electric starter for starting resinator indoor models. He performed well at the national competition at the indoor model...
ARMORED VEHICLES OF THE U.S. ARMY
The history of American wheeled armored vehicles rather unusual and in many ways instructive. Geopolitical position of the country protected it from land invasions. At the same time...
