Welcome! I only joined a few weeks ago myself. So for
so good! If you want to build your own capacitor for a
transmitting Magloop go to the photo section and look
at the pictures in the Butterfly folder. These
pictures show how to build a Butterfly capacitor. If
you use copper sheet metal you can cut out the rotor
and stator vanes with aviation snips. No sliding
contact to the rotor is required so there is no loss
across this type of capacitor. Also like a split
stator capacitor the capacitance is half what the
surface area of a normal capacitor but the voltage
rating is doubled! This is just what you need for a
single turn transmitting loop antenna. Operating at
100 watts is easy using 1/4-20 all thread rod and
matching nuts from the hardware store for construction
of the capacitor. You might also want to check the
n4zou folder. There you will find a fold up portable
Magloop antenna for 20,30, and 40 meters. I also have
a picture of my homebrew 13-pF to 102-pF 12,000-volt
Butterfly capacitor.
--- KABOONA <kaboona@...> wrote:
Hello all, my name is Jimmy and I just joined the
group. I am very curious about the
working of loop antennas and hope to learn to build
my own. Hopefully this group will
provide good data to accomplish that. I hope to
build one to work good on 40m.
Regards
Jim
KB1KZI
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