[pianotech] Strike Point

[Delwin D Fandrich]

| -----Original Message-----
| From: pianotech-bounces at ptg.org 
| [mailto:pianotech-bounces at ptg.org] On Behalf Of George F Emerson
| Sent: October 08, 2009 12:32 AM
| To: pianotech at ptg.org
| Subject: Re: [pianotech] Strike Point
| 
| RonN wrote:
| > I'm told it's a casting shrinkage thing, where the Vbar 
| isn't where it 
| > should be. Whatever.
| 
| It's common practice these day to make the Vbar oversized, 
| and machine it down on CNC machinery.  I'm fairly confident 
| that casting shrinkage is a non-issue, and the Vbar is right 
| where I said it should be.  I'm just not so sure that where I 
| said it should be is really where it ought to be.

I think you have a lot more confidence in foundry work than I do. I believe the
machining is correct only after I personally measure and compare it with the
actual design drawings. I've found this stuff off too many times even in
foundries with nice shiny CNC machines.

ddf