[CAUT] Humidity, Bridge caps, pitch drift

[Ron Nossaman]

Fred Sturm wrote:
>
> Ron N's notions about bridge caps (epoxy saturated) reducing this pitch 
> drift are tantalizing, but don't help with existing pianos. 

More than tantalizing, and more than a notion. It works in 
actual practice in real pianos.


>I have thought of experimenting with one of my Yamaha G-2s, trying to saturate portions 
> of the bridges with extra thin CA to see if that might help. 

I've done similar, and it does help. Not as dramatically as a 
laminated cap, but better than original. The more CA you get 
into the cap, the better. The body of the bridge is of little 
concern here.

Ron N