THE CONDUCTOR-TELESCOPE

THE CONDUCTOR-TELESCOPEOf 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

  • CASTLE FOR FUNCASTLE FOR FUN
    Berths for motor boats usually build boxes, cabinets for storage engines. But in fact no one motorboat will not go sailing without oars. And where to store them for return: box-small. I...
  • GLIDES… CARGLIDES… CAR
    Curious glances accompany this crew everywhere. And it’s not surprising - it looks too unusual in the traffic... a boat on wheels. We are talking about a vehicle that exists so far in a...