chickering 597

[Roger Jolly]

Greetings Mary,
                Some corrections on your post. The 507 replaced the model
C. the 410 replaced the model B. The addition of support beams and nose
bolts to increase tuning and rim stability. The pinblock was also upgraded
to 41 Ply. The stretcher is now firmly fixed to the outer rim to prevent
the trapezium distortion of the rim structure. The tension was lowered by a
mean of 10lbs per string, to balance the stabilty vs stress factors, also
enhancing tuning stability.
  Yes you were quite right to say there were problems with the Models B & C.
But you are wrong in saying it's the same piano. 
  Del is the expert on the old models, and in fairness, warned the pass
powers of potential problems of the old design, I was involved with the
changes on the new Chickerings, and I can firmly state that they are not
remotely the same.
  You are implying that the inner rim aand outer rim are just screwed
together,
this is not true,  It is a two piece rim construction, that is both glued
and screwed together, an acceptable practice, some manufacturers use dowels
instead.
 I hope this sheds some light.
Roger 




At 11:47 AM 4/19/98 -0400, you wrote:
>re chickering 507.The piano is built by Baldwin.The Baldwin line of
>Chickering pianos replaced the "B" series (10 years ago) and have the
>same problems.The case is attached to the piano with screws thru the
>inner rim and is not made as one piece.Because of the problem you have
>with the hinge I would chcek to see if the rim is pulling away.
>
>
Roger Jolly
Balwin Yamaha Piano Centres.
Saskatoon/Regina.
Canada.