Ron Youvan wrote:
> >> How do you get the tarnish off of miniductor or airdux-type coils wound
> >> with tinned wire?
>> The problem is keeping it looking fresh without affecting performance.
>> Maybe a very light coat of clear acrylic if the RF doesn't get them
>> too warm.
>> If you're real talented maybe a fast dip in a solder pot after
>> cleaning or even silver plating.
> I think part of the problem with these coils is frequently the thin
> tin coating is scratched and rubbed off. (copper shows through) A real
> good cleaning followed by one of the "cold tin" platings would restore
> the original look. (lacking a silver coating)
After thinking about miniductor coils I realized: (skin effect)
metal resistivity
silver 106
copper 100 annealed
copper 89.5 hard drawn
gold 65
tin 13
this makes me think the tin coated miniductor coil material is a very bad
idea when it
comes to high power from: www.wisetool.com/designation/cond.htm
--
Ron KA4INM - The next election, I know what is going to happen, I'm going
to help.
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