Call for scaling spreadsheets

Jason Kanter jkanter at rollingball.com
Sat Sep 30 13:45:04 MDT 2006


exactly what I meant. /jason
----- Original Message ----- 
From: "Farrell" <mfarrel2 at tampabay.rr.com>
To: "Pianotech List" <pianotech at ptg.org>
Sent: Saturday, September 30, 2006 12:26 PM
Subject: Re: Call for scaling spreadsheets


>I think Jason was asking about tensions as the scale progresses from plain 
>wire tricords to wound bicords and then to the wound monocords. If I can 
>rephrase his question: Do you shoot for equal tension in all 
>plain/wound-bicord/wound-monocord notes, or equal tension on each 
>individual string? I.e. if a plain tricord has 160 lbs. of tension on each 
>string, there will be a total of 480 lbs. tension for that note. If you 
>consider then a wound bicord note, would you design each string of the note 
>to have 160 lbs. for a total of 320 lbs. tension on that note, or would you 
>shoot for a total of 480 lbs. tension on that wound bicord note where each 
>of the two strings would have 240 lbs. of tension each?
>
> Jason, whack my across my knuckles if I am out in left field!
>
> Terry Farrell
>
> ----- Original Message ----- 
>> Although there are exceptions, it is a reasonable assumption that all
>> strings of a unison were designed to have the same tension.  I personally
>> disagree with the arguments of the few that intentionally vary the 
>> tension
>> within a unison.  For purposes of setting up a spreadsheet and graphing 
>> the
>> results, I treat all strings of a single bichord or trichord unison as
>> being identical, with respect to the speaking length.
> SNIP
>> Frank Emerson
>> pianoguru at earthlink.net
>>
>>
>>> [Original Message]
>>> From: Jason Kanter <jkanter at rollingball.com>
>>> Frank - do you shoot for equal tension per string, or equal tension per
>>> unison?
>
> 



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