If you want ordinary “card” loop was samarastroydetal like spring-loaded, easy to upgrade. For this of eyes loop is extracted axial rod, and the reverse installation is put one or two springs so that their ends rested on the loop. Eyes for necessary for this file.
Recommend to read
DE HAVILLAN DH.82 “TIGER MOTH”
Developing the concept of training plane DH.60, John. De Havilland has created a new aircraft of the same class - DH.60T. He was distinguished by a reinforced airframe, a modified...
EASY AND CONVENIENT
The voltage is from 1 to 12 In intervals of a single oxen allows to obtain a transformer, the circuit of which is shown in the figure. If desired, the switching is easy to implement...
