Think of it as two long toroids side by side. The two sides are treated
as two transformers and wound separately. You count turns the same way,
ie. a pass through the hole counts as a turn. If you count turns on the
outside edge, you will count 1 less. A "10 turn" winding will have 9
turns on the outside and 10 turns on the inside.
Larry N8LP
John Shadle wrote:
Hi,
Just picked up my first three Elecraft kits, the W1, W1SERKT, and the
DL1. I finished the DL1 this past weekend and just completed the
W1SERKT a few minutes ago after doing much of the work on the W1. I
stopped working on the W1 when I got to winding the magnet wire on the
binocular because I have a question.
For those of you who have built the W1, please offer some
clarification for me.
Winding the binocular is just like winding a toroid, no? For example,
when I make the first "loop" through one of the binocular holes I have
actually put the wire through twice which should count as two of my
ten times through the hole.
Just want to make sure I'm counting correctly as I don't want to built
the kit twice.
Thanks!
-john W4PAH
P.S. Can't wait until the custom enclosure is finished up by W8FGU.
Thanks also to AG4NN for passing along the PDF of his enclosure as
well. Quite impressive.
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