My main concern is cold joints. Definitely shouldn't pull apart with a good join. With the connector at 1:10, you can see solder start to wick down one side and then the other starting around 1:14, then especially at 1:18. That's how you know the wire got hot enough to melt the solder itself, and it should be a good joint. As with any connector, and as you noted, you have to have the right technique. Twisting the wires together will help with mechanical strength and ensure more contact between the copper. That means better and more even heat transfer, hence easier wicking. I think if you combined these connectors with the wires dipped in a little flux, they might make an even better joint. Nice demo and test!
@@CarsSimplified Yeah I don't really use it either and I know many kinds are supposed to be cleaned off after use, so might not be ideal here, but would be interesting to see.
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My main concern is cold joints. Definitely shouldn't pull apart with a good join. With the connector at 1:10, you can see solder start to wick down one side and then the other starting around 1:14, then especially at 1:18. That's how you know the wire got hot enough to melt the solder itself, and it should be a good joint. As with any connector, and as you noted, you have to have the right technique. Twisting the wires together will help with mechanical strength and ensure more contact between the copper. That means better and more even heat transfer, hence easier wicking. I think if you combined these connectors with the wires dipped in a little flux, they might make an even better joint. Nice demo and test!
I agree! To this day I have never once used flux (outside of any that is already embedded in solder) so perhaps I should change that!
@@CarsSimplified Yeah I don't really use it either and I know many kinds are supposed to be cleaned off after use, so might not be ideal here, but would be interesting to see.
These are great for when you can’t solder a connection or need something done quickly and temporarily.
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