blow discrepancy:technique?

[JIMRPT@AOL.COM]

In a message dated 2/22/2000 8:47:12 AM, David wrote:

<<Jim,
I am not sure I understand, perhaps I am reading these postings wrong.  I 
have always worked the relationships between key dip, aftertouch and hammer 
travel as a compromise to get the best results within certain parameters.  >>

Yes, well "aftertouch " is not a setting in and of itself.... it is a result 
of key dip and hammer travel/letoff (HTLO) and as such can not be 'set' in 
the normal sense. Aftertouch may be adjusted by adjusting HTLO or keydip. You 
are correct in that this must be done within "certain parameters"

<<"I also measure the hammer travel from the back of the moulding and will 
get 
different readings from a new hammer than one that has been filed.  The 
shorter the hammer the longer the distance it will have to travel from the 
same starting point to the string.">>

 This was part of my point that I probably did not explain well :-(
The important measurement is from the striking surface of the hammer to the 
string......as this varies throughout the scale this is where the most useful 
info comes from......do you also set let off from the back of the moulding?  
Probably not and assuming that you don't..why not? if that measurement is 
good for the blow distance why not for the letoff? After all both 
measurements have to do with the striking surface of the hammer, nes pa?

 Put another way...measuring a new set of unhung hammers I get 77mm(3.035 
inches) for No. 28 and 71mm (2.785 inches)for No. 88...this amounts to 1/4 
inch difference +/-. How do you account for this difference in setting blow 
distance from the back of the moulding?

 If back of the moulding works for you then by all means go for it, I'll have 
no quarrel with ya. :-)
My view.
Jim Bryant (FL)