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Re: Building up a key

Author: clarnibass
Date: 2015-10-01 08:35

I actually did exactly this "repair" for someone on a Selmer bass clarinet, where it was difficult for him to reach the throat A key.

I also used the meterials suggested already.

Something like Bondic is pretty fast but could be difficult to build exactly how you want since it's liquid. It's probably possible but could be a bit tricky.

I would definitely consider Sugru. I've used it a few times on instruments and I've used to completely change the grip shape on my camera. You can shape it while it's soft and I think it takes about a day to completely harden. Buy the smaller packages because once it's out of the package it will harden and you won't be able to reuse it. It's a bit like plasteline so you can shape it while it's "soft" but you can also cut and sand it after it hardens.

For that Selmer bass A key I actually used epoxy. I made an improvised jig to have teflon sheet wrap around to leave the shape I wanted. The epoxy stuck to the key but not the teflon so it ended very smooth and round. I'm supposed to have photos of this somewhere and I can look for them if you're interested.

I wouldn't use lead soft solder for the reasons Chris metnioned, but if I used solder it would be tin/silver soft solder without lead. I still probably not do it because it is not easy to get actual shapes with just solder. Shaping a metal part and then soldering or gluing it on could be a good option too.

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Building up a key new

kdk

2015-10-01 04:37