Method

Daniel Jackson tunemwell@rcn.com
Fri, 07 Jul 2000 13:40:04 -0500


Rogerio Cunha wrote:
> 
> To the list
>  
> I fell that all of the list are on the Annual Convention because there
> is no answer to my question but I would like to change something
> because spring it has tension and not force.
>> So I wait for some answers with the best way to put all the springs
> with the same tension.

Hi Rogerio,
	Due to the usual proliferation of knowledge abounding here I don't
usually respond...but since "the cat"s away".......
	My take on this is that what you're after is uniform force required to
move the balancier - or repitition lever as I've known it - downward
from a rest position. Or, a specific force required to hold it down at
the point of check of the hammer.
	Now, are you after a method of manipulating the spring or a method to
measure the result?
	I believe there was a fair amount of input on manipulating already.
	A simple device to measure force involves a spring loaded piston with a
scale to measure the force. You could use such a device to push down on
the pad that engages the drop screw and measure the force at the point
of check.
	Remember though, that touch on each note is going to be affected by so
many factors that in the end it's more how does it feel and respond than
it is are the numbers correct across the board.
	The general rule that I follow is - how does the hammer rise upon being
released after the check. If all the hammers come up at the same rate,
then you practically have uniform repition spring tension.
					Hope this helps......Dan J  


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