Yamaha Grand Hammer Rails

[Richard Brekne]

Hi list.

Ok.. so I just ran into a 3rd Yamaha, this a C7 that has this same
symptom. Not quite as obvious to the touch as this one C6 I see a lot,
but the problem is there. All this is beginning to make me wonder if the
design is more or less borderline relative to the stiffness strength of
the rail.

I've looked at every thing ya'll asked me to look at now, and its simply
got to be the hammer rail.

So, I am open to suggestions as to what is the best way of strengthening
these rails. I could either replace with some stiffer material, or brace
up whats there.

Any one have any good advice on this subject ?

Cheers
RicB

--
Richard Brekne
RPT, N.P.T.F.
UiB, Bergen, Norway
mailto:rbrekne@broadpark.no
http://home.broadpark.no/~rbrekne/ricmain.html
http://www.hf.uib.no/grieg/personer/cv_RB.html