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Re: Air Leak

Author: Gordon (NZ)
Date: 2006-08-25 01:21

There is no inconsistency here.

Yes, cork pads can be rounded.

It is also true that except for register key pads, cork pads (special stepped profiling excepted) normally need to be of smaller diameter than the (normally-stepped) bladder pads, often leaving only 0.3 - 1 mm of clear cork around the sealing circle. I don't think there is enough cork there to do enough rounding to make much difference to venting, especially when the edge of the key cup itself is close by. To me that is an intuitive thing, based on my wide experience of pads and venting (especially register keys), and my formal studies and practical experience of fluid flow.

Register key is a different situation altogether, and I almost always use shaped cork pads. Actually I don't often round these, because the frustum shape is quite sufficient to give excellent venting.

Vytas, all the issues were well covered, often very unpleasantly, in the other thread. Do you really have to bring all that unpleasantness into this thread as well? It gives a bad taste to the forum. We can agree to differ in our perspectives, and present our cases, without the nastiness.

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Air Leak new

YourAverageBoy

2006-08-20 22:53