Pianotech

  • 1.  Vertical Piano Flange Resistance

    Registered Piano Technician
    Posted 06-28-2019 12:22
    Hello all,

    I need to know how much resistance each flange on an upright action should be pinned at. I found plenty of info for grands, but didn't see anything for verticals. Maybe I missed it, in which case I apologize for asking again. 

    Thank you in advance,

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    Benjamin Sanchez
    Professional Piano Services
    (805)315-8050
    www.professional-piano-services.com
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  • 2.  RE: Vertical Piano Flange Resistance

    Registered Piano Technician
    Posted 06-28-2019 13:07
    Hammers should swing freely about 3 - 5 swings. 
    Wippen flanges (and all other flanges) should have 3 5 grams of resistance.

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    Willem "Wim" Blees, RPT
    Mililani, HI 96789
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  • 3.  RE: Vertical Piano Flange Resistance

    Registered Piano Technician
    Posted 06-28-2019 15:31
    Jack flange at 3-5 grams too?

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    Benjamin Sanchez
    Professional Piano Services
    (805)315-8050
    www.professional-piano-services.com
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  • 4.  RE: Vertical Piano Flange Resistance

    Posted 06-28-2019 16:21
    No...jacks 1-3 g.

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    John Formsma, RPT
    New Albany MS
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  • 5.  RE: Vertical Piano Flange Resistance

    Registered Piano Technician
    Posted 06-28-2019 16:34
    Yes, the fact spring needs to be the loosest of all the centers for quick repetition.  



    Sent from my iPhone





  • 6.  RE: Vertical Piano Flange Resistance

    Registered Piano Technician
    Posted 06-28-2019 18:16
    Thank you Wim and John, that's just what I was looking for!

    As an aside note: the reason I ask is that I'm finally getting around to building that action model I purchased all the parts for months ago. I'll let everyone know how it turns out. 

    Best,

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    Benjamin Sanchez
    Professional Piano Services
    (805)315-8050
    www.professional-piano-services.com
    ------------------------------