Lost motion: (was puzzler on M & H BB

[Ric Brekne]

Yep... thats what they teach at the Academy as well... but thats kind of 
taking for granted that the knuckles are in brand new or nearly so 
condition.  Doing this for new instruments will result in the same drag 
(or very close to it) that you get doing it the other way.  In the 
end... the jack has to slide back under the knuckle easily and 
quickly.... and with as little lost motion as is possible.  No matter 
which way you goes abouts it.

Cheers
RicB



That's the way I was taught but Yamaha teaches another way which I'm 
using.   Lay a piece of paper on a table and run you finger against the 
edge.    That is the feel you are looking for between the jack and the 
rep window.    In other words a hair below level.   I have no problem 
with hammer lever with that method.   Obviously you have to have 
adequate rep tension.    When using the "scrapping" method the jack does 
need to be able to get back to rest....imho

David Ilvedson, RPT
Pacifica, CA  94044