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The Sanderson (Pscale) Break Percent formula calculates the top 10 =
bichords of an original Steinway L scale to be in the 55% to 67% of =
Break Point range. In fact, from what I have been able to determine, the =
Sanderson formula calculates Break Point at about 4% higher than =
whatever formula Del is using.
Given that the tensile strength of today's wire is said to be higher, I =
just interpret the Sanderson calculation with this in mind.
Tremaine Parsons
----- Original Message -----=20
From: Delwin D Fandrich=20
To: 'Pianotech'=20
Sent: Saturday, June 25, 2005 5:59 PM
Subject: RE: Arledge Bass strings
What are you using to calculate the percentage of breaking strength? =
If it is the formula presented by Al Sanderson and used by Tremaine =
Parsons, it is incorrect.=20
The Model Ls I've measured come to the high 50%/low 60% range. At =
least when compared to the real-world tensile strength of the wire in =
use today.
Del
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From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] =
On Behalf Of Erwinspiano@aol.com
Sent: June 25, 2005 5:34 PM
To: pianotech@ptg.org
Subject: Arledge Bass strings
List
Speaking of strings, I've had the pleasure now of using about 6 =
sets of the Arledge strings & I like them very much. I like the =
neatness of the wraps etc. But as much as this I find the tone color of =
the scaling a bit darker thru out but I find it especially refreshing =
in the top of the bass scales where typically many makers get a bit thin =
& whiny sounding which I believe is a tension problem.
I haven't checked but I'd guess at a bit heavier scaling being =
employed which, in my limited scaling experience gives a darker tone =
with more power.
IE the Old 1920's stwy L scale in the region of notes 20 - 26 =
were scaled toward the 70% of breaking strength & they sounded awesome. =
When on occasion I have replaced sets where the tension was reduced in =
this area the tone suffers greatly. ON having it corrected the tone came =
back. I'm not finding this weakness in the Arledge strings at present.
I'm interested in any ones feedback be it objective or subjective.
Cheers
Dale Erwin
Oh & I like personal service, southern hospitableness & a can do =
attitude.
!!!!!!!!!
Erwins Pianos Restorations=20
4721 Parker Rd.
Modesto, Ca 95357
209-577-8397
Rebuilt Steinway , Mason &Hamlin Sales
www.Erwinspiano.com
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