Hammer position

[David Love]

There probably isn't much difference at A0 (you have some room in the tenor
section as well.  Just match the distance of the sections you were able to
establish.  For regulation purposes, you would like as uniform a hanging
distance as possible.  

David Love
davidlovepianos@earthlink.net


> [Original Message]
> From: John Ross <jrpiano@win.eastlink.ca>
> To: Pianotech <pianotech@ptg.org>
> Date: 3/12/2004 10:39:53 AM
> Subject: Hammer position
>
> Hi List,
>
> I am replacing a set of hammers, on a Heintzman Concert Grand. Someone had
> previously replaced them improperly, so I have to start from scratch with
> new shanks and hammers.
>
> I have been able to get the tenor section ok by trial and error, where
there
> was no doubt as to the location, by moving the selected ones up and down
the
> shank, till the 'sweet spot' was found.
>
> However on the bass, the A0 is giving me grief, I move it and I can't hear
> any substantial difference.
>
>  I got out the Verituner, and using the spectrum feature, I observed the
> results as I moved the hammer position.
>
> The fundamental is not the strongest, and the strongest partial changes
from
> P5 - P7 as I move the position of the hammer.
>
> My ears can't hear this difference, what should I go for, the maximum
lower
> partial, or the higher partial?
> I am thinking lower.
>
> Has anyone any suggestions as to what I should do to optimize the position
> of the hammer in the bass?
>
> Best regards,
> John M. Ross
> Windsor, Nova Scotia, Canada
> jrpiano@win.eastlink.ca
>
>
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