laminated ribs

[Delwin D Fandrich]

| -----Original Message-----
| From: pianotech-bounces@ptg.org 
| [mailto:pianotech-bounces@ptg.org] On Behalf Of Ron Nossaman
| Sent: February 16, 2006 8:29 AM
| To: Pianotech List
| Subject: Re: laminated ribs
| 
| 
| 
| 
| >   What about using the same approach with a solid rib.   
| 
| No reason not to. The feathering isn't an artifact of 
| lamination. It'll work the same in a solid rib. The reasons 
| for laminating include ease of crown machining, accuracy, and 
| both higher and more uniform statistical average MOE from 
| batch to batch.
| 

I started doing rib feathering in this manner (at least commercially) with the
redesign of the Baldwin Hamilton somewhere around 1986. The ribs were solid,
machine-crowned and feathered. They were not inset to the soundboard liner. (In
general, I prefer that they not be inset.)

Del