Philip Pemberton wrote:
> 
> .. But I can always increase it if necessary -- PC power supplies often 
> have thick layers of solder applied to certain tracks on the PCBs 
> (usually in the mains and HV-DC sections) to boost the power handling 
> capacity of said tracks.
> 
> It's a hack, but if it works for the PCB manufacturers.. why not?
> 

Note that 63/37 eutectic solder resistance = 11.5 times copper 
resistance.  It's hard to see how thick additions of solder would boost 
the power handling capacity.
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