Of tubes of different diameter, tightly placed one on another, you can build a jig for drilling end holes in cylindrical rods of various cross sections. For the outer bushings are better to use a steel tube with a thickness of 0.5 mm, and the inner insert can be bent any sheet metal. V. MARTINTON, Novocheboksarsk
Recommend to read
SILVER ANT
What does a mini-tractor "Ant"? What lies behind the pleasing to the eye successful? Indeed, the kinematics here the best way to meet the design intent. Engine — single cylinder,...
ACS M7 CHASSIS “GENERAL LEE”
Self-propelled artillery 105mm setting M7 widely known as Priest ("Priest"). She was the main American destroyer during the Second world war and one of the most numerous, released at...
