[pianotech] crown and radius

[William Truitt]

So where you start the three (soon to be unequal) parts of the rib being
addressed, is that more or less an eyeball thing, or is there some sort of
guideline that you follow?

Will

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Ron Nossaman
Sent: Monday, June 15, 2009 7:02 PM
To: pianotech at ptg.org
Subject: Re: [pianotech] crown and radius

William Truitt wrote:
> Hi Ron:
> 
> " Not necessarily. The center of load support of the rib is what 
> you should be talking about, and it can be moved to where you 
> want it by asymmetric feathering, and tapering."
> 
> So, is this something you do?  

Just in the high treble, typically, though I've done it at 
bass/tenor transitions to try to compensate for not being able 
to get the bridge ends where I want them.

Ron N