"Apparently some government agencies and their contractors like to see excess
rosin flux removed and train their people to do so. I'm not sure why they do
that, but in the environment in which Elecraft rigs are capable of being
used this is completely unnecessary."
(a) all government work must be inspected and "sold" to QC...QC demands
integrity and cosmetics..
(b) Under high magnification, flux that does not appear to the naked
eye stands out and can hide flaws...
(c) a lot of government work requires conformal coating...The coating
will not adhere to flux coated joints
(d) cosmetically, it looks better and requires very little effort to
do...
There seems to be an opinion regarding solder that "eutectic" means the ability
to go from a liquid state to a solid state without passing through a plastic
state..."Eutectic" means that the ratio of the base metals of the alloy are
formulated to give the lowest possible point of solidification, usually lower
than the point of any of the base metals used, and has nothing to with the
presence or absence of a plastic state...
Jerry, wa2dkg
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