[pianotech] Measuring Crown Radius

[David Love]

Though you can measure the change in crown after letting down the tension by
running a straight edge across the rim and measuring down to the bridge.  

David Love
www.davidlovepianos.com


-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Ron Nossaman
Sent: Tuesday, July 12, 2011 1:02 PM
To: pianotech at ptg.org
Subject: Re: [pianotech] Measuring Crown Radius

On 7/12/2011 1:17 PM, Joe Goss wrote:
> Q Is there a way to measure crown from the bridge side of the board?
> Just Checked the crown on a SnS and had a wonderful time laying on the
> spider supporting the piano. NOT

Not reliably, since panels are often tapered, or thinned at the edges.
Ron N