[pianotech] Wurlitzer tuning stability

John Formsma formsma at gmail.com
Thu Feb 5 21:41:46 PST 2009


Someone had asked me privately if, when referring below to using my Fujan
lever, it was the one with the Jahn head. And, yes it was. Not that it would
make much difference, if any, on that particular piano. The CyberHammer is
way better for the more "pesky" verticals ... at least for me. :-)
--
JF

On Tue, Feb 3, 2009 at 7:26 AM, John Formsma <formsma at gmail.com> wrote:

> On Tue, Feb 3, 2009 at 4:38 AM, Chuck Raynor <diggeray at comcast.net> wrote:
>
>> Hi group,
>> I was called to tune a ten year old Wurlitzer spinet yesterday and arrived
>> to find the piano almost 100 cents flat. Performed a pitch raise and fined
>> tuned to 440.  My question is, I found the tuning pins to be EXTREMELY tight
>> and VERY "twisty", with very little resistance to movement of the string
>> over the upper termination point.  That is, once I could get the pin to
>> move, I could vary the pitch 5-10 cents either way by just a gentle pressure
>> on the tuning lever (I am using a Fujan hammer).  I'm not comfortable that I
>> left the piano in a stable condition.  Any suggestions on how best to get
>> this beast tamed?
>> Thanks,
>>
>
>
> What lever technique are you using?
> You have to "untwist" the pin.  Basically, it's finding the point at which
> you can move the pitch the same amount up or down with the lever. So, when
> it moves "5-10 cents either way," then it probably will be in a stable
> place. Give it a good test blow. If it doesn't move, you've done all you can
> do. It gets better with experience.
>
> A Reyburn CyberHammer would probably help.  I was tuning a 1962 Steinway
> console yesterday, some of which have their known rendering issues.  With
> the RCH it was not that hard at all.  But with the Fujan, it was more
> difficult.
>
>
> --
> JF
>
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