my main problem always was how to transmit heat from soldering iron to something that's not solder - knowing how it should look in the end is the most trivial part of it

@drazraeltod @leyrer I usually have a bit of solder on the tip of the iron. When making contact with the surfaces, the liquid solder creates a good thermal bridge and heat flows well. I'd also not worry to much about the preheating step. Just add the solder relatively fast and keep the iron until you see the shape of the solder change to that concave desired one. It's usually pretty apparent when that happens after around 3-5 seconds.


@ponygol that's what I do too - I still suck at soldering, but I kinda got the basics after building half a dozen quadcopters now

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