Key Weighting?

[Terry]

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Ed, this is THE Chickering, as opposed to A Chickering. Good ol' Joe =
simply assumes that everyone knows what THE Chickering is. Obviously, =
YOU don't keep tabs on what piano is in his shop! If I recall correctly, =
he is working on a very old Chickering (19th Century - maybe mid-ish =
19th) that didn't originally have a modern action (likely not double =
repetition). He retro-fitted it with a 20th Century modern type action. =
That is THE Chickering.

And yeah, that's my assumption also, a grand.

Sorry Joe, I had to.   ;-)

Terry Farrell

> << 'm just about to do the key weighting on the Chickering. I'd like =
to
> know what y'all consider to be ideal touch weight. This piano,
> originally, had a very light touch. Since it now has a "modern" =
action,
> I don't think it would be prudent to make the touch "light" as it was,
> since I think it would compromise speed. >>
>=20
> Greetings,=20
>    That original "light" touch may be due to geometry, or it may be =
small=20
> hammers.  I don't know what you mean by "modern", (and I assume it is =
a grand), =20
> but if you greatly increase key weight, for any reason, you will =
change the=20
> character of the touch.  Key weight, when taken too far, will slow the =
action=20
> down, as well as creating an inertial point of diminishing returns.  =
By this I=20
> mean, too much lead may make the action easier to play at softer =
dynamics, but=20
> as the pianist attempts to play louder, (which means more accleration =
of the=20
> key and key speed), the inertial resistance of the lead becomes a =
major factor=20
> in the resistance.=20
>    I would take around 50 grams at C 4 to be a maximum downweight, and =
see=20
> what the geometry creates on your upweight.  The action itself will =
let you know=20
> how much blow and dip are reasonable, so without changing them, you =
will be=20
> looking at a balancing act between hammer weight and key weight.  The =
smaller=20
> the piano, the less hammer weight you can use.=20
> Good luck,
>=20
> Ed Foote RPT 
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