
To make required urgently a small spring — not a problem, if there is at hand a suitable steel wire. You can just use a vise and a rod of any desired diameter. The last will only need to drill blind or through hole for entry of the wire end, with the subsequent winding of the coil to a coil.
Recommend to read
HOW TO SAVE THE THREAD
It is useless to try to saw off the screw with a hacksaw: broken thread, the nut cannot be screwed on the warped teeth first turns. But the same operation will be quite successful if you...
STEP INTO A NEW CLASS
For the last four years on the initiative of the heads of model aircraft clubs in the town of Zheleznodorozhny in the Moscow region competitions school students in the new class of...