Roll Your Own Power-Transformers!

Jan Rowland

11/97

Roll Your Own Power-Transformers!

Dimensioned Plan View of Spool End-Cap
Suggest this be made of 1/4" or 3/8" Baltic Birch plywood or at least hardwood veneered domestic hardwood. Or, for repeated and heavy duty use, perhaps linen impregnated phenolic.
It might also be a very good idea to strongly break the corners on the inside (core-side) with a sanding block, and even round off the four corners of each end-cap with about 1/4" to 1/2" radius, first.

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