[CAUT] Bechstein model B tuning stability

[Ed Sutton]

No.

----- Original Message ----- 
From: "David Ilvedson" <ilvey at sbcglobal.net>
To: <caut at ptg.org>
Sent: Sunday, October 18, 2009 7:08 PM
Subject: Re: [CAUT] Bechstein model B tuning stability


>I remember Dan's article and the photo of the hammer.   Seems rather 
>large...does it break down for transport?
>
> David Ilvedson, RPT
> Pacifica, CA  94044
>
> ----- Original message ----------------------------------------
> From: "Fred Sturm" <fssturm at unm.edu>
> To: caut at ptg.org
> Received: 10/18/2009 2:51:00 PM
> Subject: Re: [CAUT] Bechstein model B tuning stability
>
>
>>On Oct 18, 2009, at 11:07 AM, Ed Sutton wrote:
>
>>> Fred-
>>>
>>> The point of Dan Levitan's over-the-stretcher lever is not to
>>> "eliminate flagpoling." The point is to eliminate unintentional
>>> flagpoling. You are free to control flagpoling in all directions,
>>> with or witout rotational forces.
>>>
>>> In a standard tuning lever, whenever you apply rotational force, you
>>> are also applying a certain amount of tilting force, proportional to
>>> the "rise" of the handle from the pin in the block, in the direction
>>> you are pushing the handle to rotate the pin.
>>>
>>> In Dan's over-the-stretcher lever, there is no rise, so if you
>>> rotate, you only rotate. But you are also free to tilt the pin in
>>> any direction, intentionally, not accidentally. It's not at odds
>>> with your approach, it's a more controllable version of your approach.
>>>
>>> Ed
>> OK, fair enough. I "eliminate" the undesired tilt from the equation
>>by using a 12 o'clock position (11 to 1, to be precise), meaning the
>>tilt is at very close to 90 degrees from the string, and has minimal
>>effect on the string. That works well for me. Dan's design is
>>intriguing, but would require a major re-learning of technique. Which
>>is not necessarily a bad thing. Sometimes starting again from scratch
>>is a good way to leave bad habits behind. Dan's design also
>>essentially requires the hammer be in line with the string, for
>>geometrical reasons (though 6 o'clock instead of 12 for a grand). So
>>the technique would be the same - lean the pin towards or away from
>>the string for the given purpose.
>>Regards,
>>Fred Sturm
>>University of New Mexico
>>fssturm at unm.edu
>
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