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How to Make a Good Paper Pattern

I. Full length rubbing

  • Using masking tape, fit and secure paper across hitch pins, bridge pins and agraffes (or equivalent termination). Make sure the paper is taut throughout and will not come loose during the rubbing/filing action.
  • ALWAYS begin rubbing/filing over the bridge pins first. This will tend to help 'lock' the paper with less chance for it to shift. File/rub over top all points – check and re-check that no hitch pins, bridge pins, agraffes, etc. have been missed! Be as neat as possible because your new set of bass strings will be a direct reflection of the pattern you create.
  • It is a good practice to number your own rubbing (all hitch pins, bridge pins, agraffes, etc.)
  • Include the following measurements for the first and last monochord, bichord, and wrapped trichord if any: core and overall diameters, centre of hitch pin to speaking bridge pin (measured directly in the piano), speaking length and hitch pin diameter (measured directly in the piano).
  • Send to manufacturer.

II. Sectional Rubbing (Our preferred method) –! No need to remove dampers in grands!

  • Fit one piece of paper large enough to cover the hitch pins and bridge pins as one unit. Do the same with another piece of paper for the agraffes (or equivalent upper termination).
  • Using masking tape, fasten each piece securely making sure it won't come loose during rubbing/filing.
  • File/rub over top all points (start with bridge pins for lower paper pattern section) – check and re-check that no hitch pins, bridge pins, agraffes, etc. have been missed! Be as neat as possible because your new set of bass strings will be a direct reflection of the patterns you create.
  • Number the hitch pins, speaking bridge pins, and agraffes (or equivalent upper termination).
  • Include the following measurements for the first and last monochord, bichord, and wrapped trichord if any: core and overall diameters, centre of hitch pin to speaking bridge pin (measured directly in the piano), speaking length and hitch pin diameter (measured directly in the piano).
  • Send to manufacturer.

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