Capo bar revisited

[Don McKechnie]

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Hi Lance,

Thanks for the update and sorry to hear it did not work out to your
satisfaction. It is clear from previous discussions that there is no
guarantee all the cures mentioned will work. Regarding the capo,
sometimes we get lucky, sometimes not. I have been leaning towards the
school of thought that suggests good tone can be achieved without the
front duplex section ringing at a higher harmonic of the speaking
length. Yes, that would mean major rescaling for Steinway, etc. (Not
likely to happen :-) It seems to me that a lot of problems could be
solved by this design. Pardon me if I'm incorrect, I believe Del has
proposed this on the lists and in the Journal.

Don


> Subject:
>          RE: Capo bar revisited
>     Date:
>          Mon, 26 Jan 2004 21:21:42 -0600
>    From:
>          "llafargue"
>      To:
>          "'College and University Technicians'"
>
>
>
> Don, Alan, et al,
> I ordered the #5050 back during our last discussion and filed the first
> section on the B in question, jumped through all hoops, repositioning
> the strings, seating everything, leveling strings, fitting
> hammers/strings, etc, etc, and while the sound improved, the problem
> still existed on a few notes and the piano is being returned.  I, in
> effect, failed in my attempt with this file.  My radius appeared similar
> to the original, no measurements were made. And before I did the work
> the bar was very rough, pitted and had some paint touching at some
> string terminations, so I felt I could improve it.  But, I now wonder
> about front duplex and string angle going down to that V and the length
> of that front duplex length and it's affect.  I don't want to beat a
> dead horse, but I am still on a quest for a cure.  If anyone buys a file
> or finds a cure/formula I am all ears.  My efforts on this particular
> piano with that particular file were, for the most part, unsuccessful.
> Thanks.
>
> P.S.  I have been eyeing Mason & Hamlins with the V across half of the
> scale and notice major differences in design and wonder again about
> their front duplex termination materials, lengths, angles and such.
>
> Lance Lafargue, RPT
> LAFARGUE PIANOS
> New Orleans Chapter, PTG
> 985.72P.IANO
> llafargue@charter.net
>

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