[CAUT] New Scale/Scale Stick

[David Ilvedson]

I love that: "I had gone down to Denmark"...the American in me marvels at the idea.

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: RicB <ricb at pianostemmer.no>
To: caut at ptg.org
Received: 1/30/2007 9:57:10 AM
Subject: [CAUT]  New Scale/Scale Stick


>Thanks Ron O

>One thing that I was really suprised about in tear down was how hard it 
>was to pull the pins on the old bridge.  My forte' is definitely not 
>wood recognition at this point so I would be unable to tell the 
>difference between Sycamore and HardRock Maple... but perhaps the 
>origional was maple after all given how good its condition was ?

>I had gone down to Denmark thinking we would be making a beech bridge, 
>but let myself get swayed (for the better I think) in going with the 
>hard rock maple.  It sure looks wonderful thats for sure.

>I still have to make a final decision on the string lengths / scale and 
>then comes lay out and notching.  Maple seems like nice stuff to work 
>with when it comes to notching... which prompts me to ask what in folks 
>experience is the best wood to work with for notching. Curious as hell 
>now that I am on this path :)

>Cheers
>RicB



>    Ric,

>    Regarding the wood which was used for the bridge,
>    it probably isn't maple, but Sycamore. Both are
>    from the family Acer, but one is sacharum (rock
>    maple) with an ADD of 7.0 to 7.2 gr/cc, while the
>    other is Acer pseudoplatanus, with an ADD of
>    around 6.0 gr/ cc. Bösendorfer used to use
>    pseudoplatanus for their bridges, and it was
>    inclined to allow the bridge pins to stand up.
>    They both look the same but the rock maple is the
>    real McCoy.

>    Samual Wolfenden wrote about maple being weaker
>    than Beech. He was referring to psuedoplatanus
>    when he was writing about maple. He knew.

>    Best regards,
>    Ron O.
>    -- 
>    OVERS PIANOS - SYDNEY
>        Grand Piano Manufacturers