back action replacement questions

Gene Nelson nelsong at pbic.net
Tue Aug 1 08:53:32 MDT 2006


I had not considered the tray laminate leftovers - very sturdy stuff. I just 
used hardwood, epoxy and a couple of wood screws. I did remove the vertical 
part of the tray ends to get more surface area for attachment. There was 
plenty of room to do this.
Gene
----- Original Message ----- 
From: <ed440 at mindspring.com>
To: "Pianotech List" <pianotech at ptg.org>
Sent: Tuesday, August 01, 2006 6:16 AM
Subject: Re: back action replacement questions


> Ron and Gene-
>
> I'm installing a Renner back action kit in a S&S B this week.  My first 
> time doing this.
> One of my goals is to get the system all on one axis.
> The tray end blocks from Renner aren't sturdy enough for this.
> I'm curious how you re-engineered these blocks.
> Maybe use some of the left over laminate from the tray and re-inforce with 
> a through bolt?
> Thanks!
>
> Ed Sutton
>
>>>
>>>What I have also done to the pivot point is something that Brett
>>>Dearing designed and that is to move it so that it is on the same
>>>plane as the damper lift lever flange center pin. This required
>>>building  new pivot pin support blocks extending farther into the
>>>keybed and adding excess material to the ends of the tray.
>>>Now the tray and levers pivot on one plane rather than two.
>>>
>>>Gene
>>
>>Yes, we set the tray and lever centers on the same axis also when
>>doing a refit.
>>
>>Best regards,
>>Ron O.
>>-- 
>>OVERS PIANOS - SYDNEY
>>    Grand Piano Manufacturers
>>_______________________
>>
>>Web http://overspianos.com.au
>>mailto:ron at overspianos.com.au
>>_______________________
>
>
> 




More information about the Pianotech mailing list

This PTG archive page provided courtesy of Moy Piano Service, LLC