AA cells can be installed in a socket of larger diameter than itself, if you wrap it in several layers of paper, foam or any other available material suitable for this purpose. For example, a galvanic cell AAA can be installed in a standard socket AA.
If the length of the socket is greater than the length of a galvanic cell between their respective contacts should be inserted in a folded several times a piece of aluminum foil.
Recommend to read
COPY PIXIE ELECTRIC
Bold, uncomplicated and, importantly, "volatile" model-copy will work if you choose as a prototype little-known light aircraft of the series Pixie. Just check for yourself what...
TAIL BOOM
models of gliders classes A1 and A2 must satisfy three requirements — stiffness, strength and low weight. The best results are obtained by the use of tapered thin-walled fiberglass or...
