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BrianG · 08.06.2009, 10:00 AM

It's not just about the wattage, it's about the tip used and the condition of the tip. A 60W iron with a large chisel tip works very well. I would guess you are using a tip that is too small and it heats everything up, but not quite enough to melt the solder on the areas where there is a lot of PCB trace acting as a heat sink. And/or, your solder tip is heavily oxidized. Cleaning with a damp sponge and maybe some extra flux paste is necessary.

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BrianG RC-Monster Admin Offline Posts: 14,609 Join Date: Nov 2005 Location: Des Moines, IA	08.06.2009, 10:00 AM It's not just about the wattage, it's about the tip used and the condition of the tip. A 60W iron with a large chisel tip works very well. I would guess you are using a tip that is too small and it heats everything up, but not quite enough to melt the solder on the areas where there is a lot of PCB trace acting as a heat sink. And/or, your solder tip is heavily oxidized. Cleaning with a damp sponge and maybe some extra flux paste is necessary.