Hobbyists and modelers know how hard it is without a special container to connect several dry cells “373” in the battery. Reliable and easy temporary container is obtained from the segment of old Bicycle inner tube. Its length must be equal to the total height of all elements (see figure). The first element of push to the middle of the tube, and then both sides stick to it other sources of supply.
A. KUPRIYANOV, a pupil of the 7th CL., g. Omsk
Recommend to read
Cargo mini moped
I have been a long-time reader of the magazine “Modelist-Konstruktor” and subscribed to it for many years in a row. Then, due to financial difficulties, I had to give it up. But since last...
IMPROVE THE ALARM
In a vast range of car alarms has recently introduced a good system Mongoose Duplex 3D models with the function of a pager device, remote audio message to the key FOB that the car owner...
