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Technique & Instrument Related to techniques, to the instrument, to the components, to maintenance.

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Old 06-21-2017, 12:02 PM   #31
Paul M Burke
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Join Date: Apr 2006
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Default Re: Uneven Drone Bores

Of course it is also possible to over, cotton, wool, dental floss, cork and any number of other weird and wonderful things that are suggested around here from time to time. It is my humble opinion that the problem here is with the over application not the material.

Before Teflon tape plumbers used hemp to seal some joints in heating systems, I'm sure there are some that still do. Maybe there are some pipe fitters out there that could enlighten us as to how PTFE is expanding, shredding and destroying our water supply pipes.

The paraffin wax used on pre waxed hemp acts as a lubricant. Are people over pre waxed hemping their drones because of it? Are these drones splitting under the furrels?

How many pipers among us has not had a hemped joint go tight? Ever been unable to take your practice chanter apart until it dried out a little? Were your pipes ruined because of it? When your tenor top went tight after playing in the rain did it develop cracks? I'd bet 999/1000 did not.

Paul

Anyway YMMV
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Old Yesterday, 07:46 PM   #32
pancelticpiper
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Join Date: Sep 2005
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Default Re: Uneven Drone Bores

Good point about the oval bore, I suppose to maintain the exact ID you would have to add material at the wide spots and take away material on the narrow spots.

This is assuming that the current ID is the original one and/or is ideal. Might not be either.

All the ones I've done have been the other issue, of a bottleneck near the open end.

For these you're only increasing the ID of the portion which has narrowed, and making it match the ID of the rest of the bore.

(Assuming that it's a matter of one part of the bore narrowing, and not the other part of the bore expanding!)
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