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
RC AEROBATIC
For eight years I worked as a head of the aeromodelling circle at the station of young technicians in the city of Kiselevsk of the Kemerovo region. Himself in his spare time build a...
OFF-SEASON ALL-TERRAIN VEHICLE
Our magazine was one of the main popularizers of the recently emerged family of all-terrain vehicles - vehicles powered by low-pressure pneumatics. All-season, excellent cross-country...
