[CAUT] Servicing guide rail bushings

[Joe Goss]

Now that is a real keeper!
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> between the strings). Sometimes there actually isn't enough space  
> between unisons, in which case swedging the wire is called for: smash  
> it with a hammer to narrow it, making sure you do it above the part  
> that goes through the bushing. Some wires of some manufacturers come  
> pre-swedged.

Joe Goss BSMusEd MMusEd RPT
imatunr at srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "Fred Sturm" <fssturm at unm.edu>
To: <caut at ptg.org>
Sent: Sunday, November 22, 2009 9:34 AM
Subject: Re: [CAUT] Servicing guide rail bushings


> On Nov 22, 2009, at 9:07 AM, Stan Kroeker wrote:
> 
>> Apart from the symptoms I mentioned in my original post, another  
>> annoyance that comes and goes is the damper wires buzzing against  
>> the closely spaced low-bass bichords.  Is it possible that, with the  
>> wires regulated to bear against the bushing, they may not be  
>> centered between adjacent unisons ... and if so, would it be  
>> permissible to make a slight corrective bend just above the guide  
>> rail (but below the string plane).  Or would this simply be  
>> compounding the error?
> 
> 
> Usually by picking which side of the bushing the wire bears on, you  
> can avoid this problem. It's best to have all wires of a section  
> bearing the same way, but I make exceptions when need be, to account  
> for errors in drilling the guiderail (holes not precisely centered  
> between the strings). Sometimes there actually isn't enough space  
> between unisons, in which case swedging the wire is called for: smash  
> it with a hammer to narrow it, making sure you do it above the part  
> that goes through the bushing. Some wires of some manufacturers come  
> pre-swedged.
> Regards,
> Fred Sturm
> University of New Mexico
> fssturm at unm.edu
> 
> 
> 
> 
>