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Re: Cork vs. Bladder pads

Author: Gordon (NZ)
Date: 2006-08-27 22:16

Quotes from tictactux:

> ....You are right, there are indeed cut bubbles on the surface - I didn't notice them with the naked eye. The enclosed amateurish photo shows how big they are (the metal spear is a sewing pin); my finger - good enough to close other holes - is really jagged in comparison.<

I want a pad surface as flat as irregular as possible. Unless I press really hard on an open hole flute, or quite a bit harder than I would like for a clarinet, then pads do not seal - air leaks along my finger print grooves. This must vary depending on the hardness of the skin's surface. It is the reason I gave up open hole flutes for personal use.

> Gordon: This foam DOES take a seat, which suggests it is a different material from tictactux's. Tictactux: So it won't ever recover from that seat? The EVA specimen in question takes anywhere from 1 hour to 1 day to fully recover, depending on how hard and how long it was pressed into seat (can provide a trill key photo if you like).

By "seat", I mean a very shallow indentation circle that is stable and permanent, which both flattens out minute irregularities in the pad surface, and also conforms to microscopic irregularities in the tone hole edge. I stress "stable and permanent". This seems to conflict with any behaviour such as "takes anywhere from 1 hour to 1 day to fully recover"

These Omni pads seem to take such a seat.

But not the ever-increasing seat of some other polymer pads that have been on the market. These very deep seats, be they on polymer pads or leather pads (which is common) or bladder pads, seem to encourage air turbulence that interferes with good venting.

Post Edited (2006-08-28 08:42)

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Cork vs. Bladder pads new

ChrisArcand

2006-08-25 00:47