[pianotech] Bass Key Slap

[Tom Gorley]

If you have not taken the action out yet, then another possibility is a sheet of paper laying on the hammer shanks.
        ---Tom Gorley

On Mar 30, 2011, at 10:02 AM, <johnparham at piano88.com> wrote:

> Possibly the hammer rail is loose and moving inside the action bracket
> in the bass?  I have found them loose before, but I can't remember if
> there was a noise associated with it.
> 
> -John Parham
> 
>> -------- Original Message --------
>> Subject: Re: [pianotech] Bass Key Slap
>> From: "Don Mannino" <donmannino at ca.rr.com>
>> Date: Tue, March 29, 2011 7:28 pm
>> To: <pianotech at ptg.org>
>> 
>> 
>> My first thought is the keyframe needs bedding.
>> 
>> Don Mannino
>> 
>> -----Original Message-----
>> From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
>> Of Arlie Rauch
>> Sent: Tuesday, March 29, 2011 4:27 PM
>> To: pianotech at ptg.org
>> Subject: [pianotech] Bass Key Slap
>> 
>> I was tuning a customer's Steinway today, and she wanted me to look also at
>> her Schimmel grand.  She heard noises, in the key she thought, in the lowest
>> notes.  I couldn't hear it at first, but then I did when thumping the lowest
>> 8 or so notes--it sounded like a slap when the bottom of the key contacted
>> the front rail felt.  First I thought maybe the front rail felt is too hard,
>> but on my hour-drive home, I thought maybe the cause is elsewhere.  Why can
>> you hear that on the lowest bass notes, but when you play up higher the
>> sound is gone?  Maybe something is loose at the bass end in the action or
>> the keybed.  Any suggestions?  I hope to remedy this sometime when I go
>> back.
>> 
>> Arlie Rauch
>> Glendive, MT
> 
>