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
STAR — CONDUCTOR
Amateur Designers often used in the transmissions of their cars, the chain transmission. And sometimes faced here what problem: for the calculated gear ratio chain couples find it...
SUPERIOR QUALITY — RELIABILITY
Good modelers know how important it is to provide reliable stop screw rezinomotornaya model in the transition planning. Offer readers the design of the front boss with the stopper (Fig....
