pedal harp slot felts

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    Sylvia on #195245

    Anyone use thick slot felts?  Are they better than regular?   If so, does it make a difference what kind of harp you have?

    carl-swanson on #195246

    Sylvia- Slot felts-the white felt pad that the pedal rests on in FLAT position-are there simply to prevent the mechanism from opening up completely, causing a noise or knock.  Each chain of the mechanism(C chain, D chain, etc.) can go only so far in the flat AND the sharp direction.  If it goes all the way in either direction, you will hear a click or metallic noise. So the slot felt is there to prevent that in the flat direction.  But the slot felt, because it is there, will move both the natural and sharp chains in the direction of closed position.  If the slot felt is very thick, then in flat position the  discs are going to be awfully close to the strings. If the strings are not dead center through the discs, and are instead slightly left of center, as happens to aging harps, then you run a big risk of the string, particularly in the 5th octave, slapping against the lower prong of the sharp disc. So the slot felt only needs to be thick enough to keep the mechanism from opening up completely in the flat direction.  I hope this makes sense.

    Sylvia on #195248

    Thank you.  I wonder why they have thick slot felts if they can cause problems.

    carl-swanson on #195249

    I don’t know.  When a harp is brand new, everything works fine. In other words, on a brand new harp, you can use thin slot felts, thick slot felts, or whatever, and they will all do the job. But on an older instrument that is not the case.

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