R: Mahaffey lever

Fabrizio Santori f.santori@fastnet.it
Sat, 23 Jan 1999 11:50:38 +0100


Hello Ken, Norm & Joe

Thanks you very much.
Now I have  I more defined idea about this tuning lever  even if  I think I
would need to see it, touch it and work with it to realy understand how it
works and if it works.
Do you know if it is  imported to Europe?

Fabrizio Santori
Piano Consulting
V.S.Bernardino 16/a
60041 Sassoferrato An
Italy
0348 5114842 office,   0347 5715216 private
f.santori@fastnet.it


-----Messaggio originale-----
Da: barre46@ibm.net <barre46@ibm.net>
A: pianotech@ptg.org <pianotech@ptg.org>
Data: sabato 23 gennaio 1999 7.31
Oggetto: Re: Mahaffey lever


>Hello Ken,
>
>I'll try to describe how to use the Mahaffey lever for fine tuning. You
used the
>term, "flip the lever" and that gave me the idea of how to describe this.
>
>Hold the tip firmly on the tuning pin with the heel of your hand and use
your
>wrist and fingers to rotate the lever and bump the stop. A hard bump moves
the
>pin more than a soft one (obvious). With practice you can move the tuning
pin in
>very small increments which results in fine tuning. This very same
technique
>will work on grands but it does seem to take more practice.
>
>I hope this makes sense
>
>Norm Barrett
>Memphis, TN
>
>Ken Burton wrote:
>
>>             Fabrizio,
>>
>>             This unusual tuning lever is designed so that the whole head
and
>> tip can rotate 50 or 60 degrees with a solid stopping mechanism at both
ends
>> of the rotation. The handle is often weighted.
>>             You use the lever by holding the handle at or near the head
with
>> the handle pointing upwards (only useable on vertical pianos.) Then, by
>> twisting your wrist, you flip the handle left or right, causing it to
bump
>> against the stops. These impacts cause the tuning pin to turn clockwise
or
>> counter-clockwise.
>>             I have been asking for suggestions about using this type of
>> lever in fine tuning. However, I have not had many responses and my
>> impression is still that this lever is an unlikely prospect for fine
tuning.
>> I am working on an electric impact tuning lever but the development
process
>> is moving very slowly.
>>                         Ken Burton "Doctor Piano" Calgary Alberta
>>                                    kwburton@cadvision.com
>>
>> >




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