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EVERYTHING FOR ELECTRONICS
over why a mechanical watch would run faster when magnetized. Is it
somehow more efficient because of decreased friction? Are Eddy currents
somehow imparting energy to the mainspring? Could magnetized motors
somehow run more efficiently? If you have the answer, please drop me a line.
In the October 2015 Spin Zone
column, it was incorrectly stated that
the battery type for the badge was
LiPo, when it's actually lithium-ion.
Our apologies for any confusion.
(Not) All Wound Up
This missive is in reference to the
article, An Ultra Modern Shortwave
Receiver (July 2015) by George R.
The details of the reader-wound
coils L5, L6, L7, L8, L9, and L10 do
not specify wire size and type.
I rather imagine that enameled
wire is used, but I do not know what
gauge of wire.
G. Frank Humiston
For the T50-6 cores, use #20
AWG wire. For the T68-6 cores, use
#25 AWG wire. Use enameled type
Error Duly Noted
Regarding the Music Editing
question/answer from the October
November 2015 7
Continued on page 78