This Induction Coil consist of two windings.

Making a Coil No. 14
Coil overall length 4¼ inches including the ends.
Coil former end pieces 1 3/8 inch square x 3/8 inch thick.
Coil former 3½ inches inside x ½ inch diameter cardboard tube.
Primary winding 1700 turns of 30 SWG (0.315mm) enamelled copper wire - 17 Ohms.
Secondary winding 1400 turns of 33 SWG (.254mm) enamelled copper wire - 27 Ohms.
Core - 25 5WG (0.5mm) soft iron wire (All wire can be purchased from



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Last revised: February 21, 2023