[pianotech] Pitch change, etc.

[David Ilvedson]

Well...let's see a photo of the NossaNotcher...

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "Ron Nossaman" <rnossaman at cox.net>
To: pianotech at ptg.org
Received: 4/7/2010 9:11:34 AM
Subject: Re: [pianotech] Pitch change, etc.


>Terry Farrell wrote:
>> Hi Will,
>> 
>> That Ron guy who responded to your post has a great POWER notcher - easy 
>> for him to say it's not hard to hand-notch! 

>But I didn't say that. It *is* hard to notch. I said it's 
>doable, but difficult, which is both true and accurate.


>>That being said, it may just 
>> be my poor notching skills, but I did make up a cap of quarter-sawn 0.5 
>> mm laminations early on in my cap building efforts and found it quite 
>> difficult to notch. Yes, I could do it, but it sure didn't look very 
>> good. Again, maybe it's my lack of notching skill, maybe the 
>> quarter-sawn is more difficult to chisel smoothly than flat-sawn - I 
>> don't know. No reason for you to not give it a try though.

>My poor notching skills (and poor back) is certainly what 
>prompted me building the notcher in the first place.


>> What I have been doing is building laminating caps with quarter-sawn 1.5 
>> mm laminations. I'll usually have about six laminations in a cap. These 
>> I find easier to hand notch as you are usually only going through two 
>> bonding surfaces or so.

>Yes, my first laminated caps were 1.5mm layers, and they are 
>much less difficult to notch. They also aren't quite as hard 
>and dimensionally stable as veneer, and more time consuming to 
>make.


>> Do they perform as well as the thinner laminations (stability, clarity, 
>> etc.)? I don't know for sure as I have not ever tested side-by-side. 
>> They do however seem to work quite well. I also set each bridge pin in 
>> epoxy (put epoxy in hole and on pin).

>They sure work a lot better than solid maple, and the epoxy in 
>the hole when pinning helps too.
>Ron N