Hello,
I'm imagining this would be a new thread and it is related to QRO balanced
antenna couplers. I now am the proud owner of a kiln capable of firing
porcelain. I have bought some mold making materials. My wife is from the
Philippines and I am planning on getting some simple machine services done
there by relatives and sent in the post.
I am going to begin mfg'ing my own roller inductors. The max size of this
kiln for firing is 8" X 8" X 6.75". I guess the porcelain cores for the roller
inductors will be a bit short and large in diameter! I was thinking to use a
large diameter wire for lots of power handling capability. If the porcelain
core is not large enough, I'll probably use a switched in inductance in values
equal to the max inductance of the roller inductor to get enough.
My end application will be to begin mfg. balanced antenna couplers. I've
noted that some of the people/companies making the balanced units have poor
performance on 10 meters because of the stray inductance of the rollers. If I
use a smaller value roller inductor with switched increments of inductance then
I plan on shorting out each section and getting better high frequency
reponse/efficiency and also getting away with large diameter wire on the roller
inductor itself.
Anyways, If you want to help me with getting a good design of roller
inductor then please email me and we can exchange ideas on the subject.
Regards,
Mike Kendall KE6CVH
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