[pianotech] Noise in Bass Strings

[Joe Goss]

Hi,
If both unisons are false check the speaking length  as well as the core 
measurements.
Could be new strings,  one string on wrong note of the next string.  {now is 
it does or dose}
Joe Goss BSMusEd MMusEd RPT
imatunr at srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "David Love" <davidlovepianos at comcast.net>
To: <pianotech at ptg.org>
Sent: Sunday, August 05, 2012 8:32 PM
Subject: Re: [pianotech] Noise in Bass Strings


>I doubt Walter asked for them that way.  The string maker probably decided
> that it was necessary.  I would ask Arledge (I think they do their
> strings--not sure).  That type of wrap is fairly common among European
> string makers and I've had sets done with those type of finishes that
> created no problems.  In spite of modern string making methods that
> supposedly prevent these longitudinal wave problems they do happen.  I 
> don't
> really understand why they occur but it has been suggested that certain
> relationships with core/wrap ratios can be problematic or it can simply be
> an anomaly in the manufacturing.  Since you have the recording I would
> confirm the string maker with Walter and send it to them for comment.  I
> don't think the other suggestions will have any impact.
>
> David Love
> www.davidlovepianos.com
>
>
> -----Original Message-----
> From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On 
> Behalf
> Of Terry Farrell
> Sent: Sunday, August 05, 2012 7:21 PM
> To: pianotech at ptg.org
> Subject: Re: [pianotech] Noise in Bass Strings
>
> Thanks Ron. Some good el-cheepo non-destructive suggestions. Worth a try.
>
> I was wondering whether those four bass strings with the over-wrapped (or
> whatever) ends are original - they're obviously different from the rest.
> Owner bought piano new and has never had any work done on it. My guess is
> that it is original. But why would Walter use two different types of wrap
> ends? Seems odd.
>
> Thanks for your thoughts.
>
> Terry Farrell
>
> On Aug 5, 2012, at 9:35 PM, Ron Nossaman wrote:
>
>> On 8/5/2012 7:55 PM, Terry Farrell wrote:
>>
>>> I'm certainly not sure exactly what the cause of the noise is, but
>>> I'm guessing that replacing the four upper-most bass strings is the
>>> easiest, least costly and most likely way to solve the problem.
>>>
>>> Any thoughts?
>>
>> I'm not sure either, except that wrapped strings are categorically
> haunted.
>>
>> Not that it'll help, but I'd try the REALLY cheap stuff first, like
> snugging the strings around the bridge pins (very unlikely) and see if the
> hammer hits both strings at once. Pointless, probably, being so low in the
> scale, but non destructive. Check bearing, etc.
>>
>> Got any PitchLocks?
>>
>> Are those over wrapped ends original, or have they already been replaced
> once for just this problem? Anyone out there know? Walter will, tomorrow.
> I'd also clamp a Vise-Grip on the end of the bridge and see what that did.
> Any and all information I could get in one trip without doing damage. 
> Then,
> as a last resort if nothing else I could think of works, replace the 
> strings
> and hope.
>>
>> Then report back...
>> Ron N
>
>