JackJ wrote:
I've got a Killarney D and a C, both purchased new directly from Killarney in 2018.
Out of curious interest: what is the bore or OD tube size of the C?
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Later that week I tried to compare all my whistles using a tuner. That was an exercise in frustration, as the measured pitches bounced around a lot, making repeatable results difficult to obtain for me. But the Killarney's were not among my best whistles intonation-wise. I've since purchased a Carbony D and it is the best of what I've got.
Yes, checking with a tuner can be quite frustrating! Best to play longer notes and transitions without breath stops, both from neighbouring notes as well as to and from the octave notes, and keeping the breath steady. For evaluation it is also worthwhile to notice that some makers use ET tuning and others some system of just intonation, which shows on a tuner most likely as flat F# and B and C#, but in fact makes for a sweet intonation.
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The modification also interests me. Hans--it sounds like you maybe turned your own custom cylinder inserts on a lathe? I don't have the means to do that. I'm assuming there isn't some source of tubing with the exact dimensions needed and available in very small quantities. But is there a way to roll flat sheet material to the appropriate shape, or slit and cut some other size tubing to make it work?
Yes, I used my mini lathe for that. But any material which could be rolled to a small tube with ca. 0.5mm wall thickness would do, as long as it does not disintegrate with condensation moisture. Perhaps PE plastic cut from a bottle, rolled into a tube and secured in shape with scotch tape? Perhaps the tape is not needed, as the rolled plastic is hold by the whistle tube. Poster putty may also last some while, if you can get it stuck.
PS: the PE I got here from a 2 litre mineral water bottle is about 0.2mm thick, so a tube with 2 or 2 1/2 layers wound should be enough.