Coil lead reversal sometimes works with d-c relays that have had their
armature structure magnetized. In theory, reversing the current flow will
tend to reverse the situation while still, of course, causing the relay
to work.
72/73, George
Fairview, TX 30 mi NE Dallas in Collin county
Amateur Radio W5YR, in the 54th year and it just keeps getting better!
R/C since 1964 - AMA 98452 RVing since 1972 Kachina #91900556
John - G3JAG wrote:
>
> I tried reversing the coil leads in my Hercules II. It worked for all
> of a few minutes. Then I ordered a new relay from TT. I guess I was
> lucky because Mr Customs did not bother to look at it. (The white bits
> really are ceramic .... although the price might make you think
> otherwise.)
>
> This lead reversing idea may work with some vac relays, but it appears
> to be ineffective with the small ones used by TT.
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