Aftertouch Question Meas. (KR)

[Jon Page]

Jim,
The sharp has a Key Ratio (KR) of .49      (10.5/21.2)
The natural's KR is .50			 (12.5/24.6)

The higher the KR number, the faster the hammer gets to the string.

It also means that it is proportionally further from the balance rail than
the capstan of the sharp.

The further out proportionally from the balance rail you go, the heavier
the DW becomes (moving away from the fulcrum).

Jon Page

At 05:40 PM 3/29/98 EST, you wrote:
>Et al;
> On the little Kawai that I am working on I measured the sharp #43 and the
>natural #44 (the straighest keys) measurements are to the centerline at
>capstan/balance rail pin and to the keyfront.
>
>			Capstan to Bal. rail--BR to key front	total
>Sharp		10.5cm					21.2cm			31.7cm
>Natural	12.35cm				24.6cm			36.95cm
>
> Work with the ratios and see which key works harder and which hammer moves
>farther/faster.
>Jim Bryant (FL)
>
>