[CAUT] Backcheck replacement revisited (was: balancier/wippens report)

[Israel Stein]

At 02:59 PM 12/24/2006, Wim Blees wrote:
>In looking at these pictures, I think we might be missing why the
>Tokiwa's checks work better than the Steinway checks. I don't think it
>is the check. I think it is the wire, not how thick it is, but how much
>of it is being allowed to "bend" and catch the tail. Look at the bottom
>of the wire, and you will see that the knurled part of the Steinway
>wire is almost twice as long of as the Tokiwa's. With this much wire
>stuck in the key,and less of it outside, the wire is not allow to give,
>and accept the hammer coming down. That is why, I think, when I raised
>the checks on my D, the hammers were able to check, because there was
>more wire to bend and give. Does this make any sense?
>
>Wim  \

I pushed the Tokiwa wires into the key to exactly the same depth as 
the original Steinway wires - regardless of how much "knurl" there is 
on the wire...

Israel Stein