Pitch Raises ... Multiple Passes?

[Kevin E. Ramsey]

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Joe, glad it works for you, however, I find that the bass requires a =
twenty percent over-pull. Perhaps our methods differ; during a pitch =
raise, I tune the single bass strings and one string of each bi-chord =
first, then I pull out the strip and tune unisons by ear.  I'm also =
tuning the bass first, ala Sanderson. When I do a pitch raise, I do it =
with a SAT (Gets you real close, real fast), so I do the bass first. I =
can understand the 10% overpull thing only if I've already brought the =
rest of the piano up first.=20
    Please clarify.
  ----- Original Message -----=20
  From: Joe And Penny Goss=20
  To: pianotech@ptg.org=20
  Sent: Wednesday, August 21, 2002 7:46 PM
  Subject: Re: Pitch Raises ... Multiple Passes?


  Kevin,
  If the bass is about 30 cents flat I want to raise the note about =
three cents sharp ( about 10% ) of pitch. So with a SATlll that raises =
the pitch 25%  that would result in too much over pull for me so I will =
set the over pull for 12 cents and roll the program into the machine.
  I take only one measurement at A2 to arrive at my over pull. Works =
very well for me.
  I use the 25% in the tenor and about C4 the 30% to the top then =
retune.
  On pianos 25% or less flat or sharp I use the Verituner 100 and its =
10% bass, 30% tenor,
  and 36% treble and retune.
  Joe Goss
  imatunr@srvinet.com
  www.mothergoosetools.com
    ----- Original Message -----=20
    From: Kevin E. Ramsey=20
    To: pianotech@ptg.org=20
    Sent: Wednesday, August 21, 2002 7:40 PM
    Subject: Re: Pitch Raises ... Multiple Passes?


    >
    >     All wound strings: 1/5 (Example: You test 10 notes, or so, and =
find
    them
    > about 30 cents flat. You would set your ETD to +6 cents sharp and =
tune
    those
    > strings to that setting.)


        Here's another little brain saver:  What if you're pitch raising =
a piano and want to do a 20% overpull in the bass, and it's, say, 28 =
cent's flat. (let's see, one fifth of twenty eight would be ......... =
ah........ ah........) =20

        Take 28, and double it for 56. Move the decimal point over to =
the left one place.=20

         5.6 is 1/20th of 28.=20

        At least, that's how I do it.=20

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