[CAUT] Yamaha regulation specs

[Ward & Probst, Inc]

I've had good success with shimming the balance rail for gross height, then
checking and improving level. It's quick and seems to last over time.
DP
Dale Probst, RPT
Registered Piano Technician
Midwestern State University

-----Original Message-----
From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of Jim
Busby
Sent: Thursday, February 10, 2011 7:42 AM
To: caut at ptg.org
Subject: Re: [CAUT] Yamaha regulation specs



Dan,

 

No. You've got it. Nearly 100% of our P22s go through this. Unfortunately
the newer ones need such regulation the 1st year! Bobbling hammers caused by
shrinking key travel.

 

Pianists will tolerate a wider range in blow on uprights. A difference of
44-46mm blow doesn't seem to matter on a P22. (Maybe because it's a P22?) I
tend to vary blow and keep dip  at 10mm on uprights. And as I said, I rarely
sacrifice letoff like I've seen some do. 

 

Best,

Jim

 

From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of Dan
Rembold
Sent: Wednesday, February 09, 2011 7:26 PM
To: caut at ptg.org
Subject: Re: [CAUT] Yamaha regulation specs

 


Thanks Jim, I thought I might have been missing something obvious.

Dan

 

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