Ans. As given in the table, it consists of six loops of wire presenting twelve inductors on the cylindrical surface of the core or drum. In the table, six wires are shown, having distinctive and varied insulation so as to readily distinguish the different coils. Opposite these are letters and figures designating the path and connections of each coil.
Ques. What is the path of the first coil?
Ans. According to the table it is:
A — 1 — 6 — B
that is, one end of the wire is connected to commutator segment A ([fig. 262]) and then wound to the back of the drum through slot 1, across the back of the drum to slot 6, returning through this slot, and then connected with commutator segment B.
Fig. 262.—Skeleton view of wooden armature core showing in position the first two coils of the winding indicated in the table [fig. 259].
Ques. Describe the path of the second coil.
Ans. The second coil, having the block insulation, is wound according to the table, in the order:
B — 3 — 8 — C
that is, beginning at segment B, thence to back of drum through slot 3, across the back to slot 8, returning through this slot and ending at segment C.
The completed winding of the first two coils are shown in [fig. 262], the drum being shown in dotted lines so that all of each coil may be visible.
Fig. 263.—View of completed winding as indicated in the table [fig. 259]. Thus the path of the first coil, according to the table is A-1-6-B which means that the coil begins at segment A of the commutator, rises to slot 1, and proceeds through the slot to the back of the drum; thence across the back to slot 6, through the slot and ending at segment B. The other coils are wound in similar order as indicated in the table.