Stability

[Richard Moody]

----------
> From: Don <drose@dlcwest.com>
> To: pianotech@ptg.org
> Subject: Stability
> Date: Saturday, April 11, 1998 9:59 PM
> 
> Hi all,
> 
> We have many variables to deal with. The some of the areas of concern
are:
> 

Tighten Plate Screws.    
	Until then none of the conditions below apply...... 
and that might not solve it. (ill fitted pin block )  (See Susan Kline"s
"World Class Junk" Piano Technician's Journal) (Also using warped plates,
Try to prove that one)  I guess that comes under "Quality of instrument" 
mentioned below..rm  






> Size of instrument
> Quality of Instrument
> Age of instrument
> Philosophy of scale design
> tightness of tuning pins
> friction of rendering points
> hardness of hammers
> playing conditions
> lighting
> heating systems
> air conditioning
> humidity control
> barometric pressure (which affects the partial pressure of water vapour)
> previous work
> 
> Many of the above are beyond our control. We have to work with real
pianos
> in a real world situation. 
> 
> I would invite people to comment about the relative importance of these
> factors. Please feel free to add to the list.
> 
> 
>  
> Regards, Don