Bridges; was: Plate Horn

[Greg Newell]

Terry,
         I surmised from your original post that you were capping an 
existing bridge. I understand that this is not the case. If you were it 
would be hard to use a notching machine in the piano. I thought I was 
pretty clear. I guess not.

Greg Newell


At 07:18 PM 7/13/2005, you wrote:
>Wow! That's a question from a totally unfamiliar angle! All the pianos 
>that have gone through my shop get a new redesigned soundboard, new 
>bridges (new root, everything - because of string rescaling), new 
>laminated bridge caps, etc., etc.
>
>So, as long as I have a new bridge root loose from the soundboard, it is 
>an easy matter to simply notch the bridges before you glue/bond the bridge 
>root to the soundboard.
>
>Indeed, if one were to want to notch a bridge of some very hard material, 
>that would be a problem. But I suppose, that is a good application for a 
>cap with thicker laminations - as I stated, not a whole lot harder to 
>notch with a chisel.
>
>And regarding your comment "Since you're using a cap I suppose that you 
>are not removing the bridge root from the piano." What do you mean by 
>that? What does using a bridge cap have to do with using an original 
>bridge root or a new bridge root?
>
>Terry Farrell
>
>----- Original Message ----- From: "Greg Newell" <gnewell@ameritech.net>
>
>>Terry,
>>         Since your using a cap I suppose that you are not removing the 
>> bridge root from the piano. How do you propose to get into the tighter 
>> areas with the bridge notching machine?
>>
>>Greg Newell
>>
>>
>>
>>At 08:34 AM 7/13/2005, you wrote:
>>>Dale Erwin wrote:
>>>Is This so really much more difficult to notch with a really 
>>>sharp  chisel than a plain old good hard piece of tight grain stock?
>>>    Dale
>>>
>>>Dale asked that question regarding notching a six-lamination maple 
>>>bridge cap. I would say that it is a bit more difficult. These 
>>>laminations are about 1-1/2 millimeters thick, so the notch only cuts 
>>>into two or three laminations typically - that is only crossing one or 
>>>two epoxy lines. So yes, it is more difficult, but not at all 
>>>unmanageable - as long as you keep the laminations thick enough.
>>>
>>>Why do you ask - does my notching look THAT bad?
>>>
>>>But, 1) because I have no talent whatsoever for hand notching, and 2) 
>>>because I wish to explore building harder bridge caps in the future, I 
>>>think a good notching machine will benefit me immensely. I want to try 
>>>building caps using thinner laminations and possibly harder material.
>>>
>>>Terry Farrell
>>
>>Greg Newell
>>Greg's piano Forté
>
>
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Greg Newell
Greg's piano Forté
mailto:gnewell@ameritech.net