Author: Chris P
Date: 2006-05-26 09:36
Bundys have stainless steel springs, cut from a length of wire. The end that's in the pillar is flattened out slightly so it grips in the hole drilled for it and pushed home with wire cutters until the flattened end is flush with the pillar.
If you want to do this, get some stainless steel spring wire the correct gauge and cut the correct length off. Smooth the cut ends with a file and slightly flatten the tip of one end so it flares out (with a hammer and small anvil), but not too much as you both want it to hold fast in the pillar (without turning and losing it's tension) whilst you also want to be able to remove it again easily if it breaks.
The worst needle springs are made from phosphor bronze - when they break, they break right at the pillar so removing them can be a pain. Boosey&Hawkes used them, and I think the US made student flutes (Emerson, Bundy, Gemeinhart, Armstrong, etc.) use them as well.
But I think you should be able to get a set of springs from your nearest Conn-Selmer dealer or straight from Conn-Selmer themselves.
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The Clarinet BBoard
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