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> older processes should be fine Except for metal whiskering: https://en.wikipedia.org/wiki/Whisker_(metallurgy) https://en.wikipedia.org/wiki/Whisker_(metallu
by kmoser 2y ago
> older processes should be fine
Except for metal whiskering: https://en.wikipedia.org/wiki/Whisker_(metallurgy) https://en.wikipedia.org/wiki/Whisker_(metallurgy)
- shrubble 2y agoHowever the older solders have a much higher percentage of lead in their composition which makes whiskering less likely. I have two Zenith Z-120s made in about 1980 and thus coming up on 50 years old which don’t have any issues.
- nonrandomstring 2y agoI know of a running TRS80 and a BBC Model-B, but the retro-heads who own them jst pwer them up now and then, not in constant use so as not to heat-stress them. TBH they smell a bit. My theory is the transformer windings are on the way out.
- klyrs 2y agoWire-wrap avoids that altogether: https://en.wikipedia.org/wiki/Wire_wrap https://en.wikipedia.org/wiki/Wire_wrap