Dampers

[John Hartman]

JIMRPT@aol.com wrote:
>
> List;
>   I am in the process of fabricating a new damper guide rail and a question
> has entered my mind:  Is there a correct size for the hole in the guide
> rail??
>   I know that the holes will be lined with felt and that almost any size
> hole, correctly placed, will work as adjustments can be made through use of
> different thicknesses of felt.
> But................Is there a "correct" size hole for the guide rail ??
> Jim Bryant (FL)

I use a #7 bit.

John Hartman