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It looks like the patch PCB is held in only by the soldered wires. Although he is right in using wires and solder, the first rule of soldering is that "Solder i
by morcheeba 12y ago
It looks like the patch PCB is held in only by the soldered wires. Although he is right in using wires and solder, the first rule of soldering is that "Solder is not a mechanical connection". He should have held the PCB in with some epoxy, too. A thin run around the edge cracks would have made it 10x stronger - necessary because this is in a subwoofer, and there are parts mounted to the patch board.
- blueintegral 12y agoHe actually mentions that solder is not a good mechanical connection and said he used solderwick to reinforce the patch joints.
- DanBC 12y agoThe braid is laid flat across the join and then soldered to both boards. The soldering braid is only fixed using solder. That's not mechanically strong. There's no way to wrap the braid around anything.
- lttlrck 12y agoIn my experience the solder-copper bond is stronger than the copper-substrate bond. I'd expect that to fail first. It's a very cool little project nonetheless.