[Elecraft] Source of poor solder joints?

[Craig Miller]

I agree with Don.  Just the smallest, un-noticable motion of the joint while
the solder is solidifying can produce a cold solder joint.  That's why I
always re-flow the connections that were done first to hold a component in
place, like the corner pins on an ic.  In fact, I often will go back and
re-flow all the connections on a device after things have cooled off
completely.  It means taking twice as long to do the soldering but that's no
problem because with an Elecraft kit the building process is at least half
the fun.

Craig Miller
K3OOL
K2/100 4790