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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"> </DIV>
<BLOCKQUOTE cite="" type="cite"><FONT face=Arial color=#000000>><I> Is
the wippen flange centers at a good height? Usually 2 1/2" below
the</I></FONT></BLOCKQUOTE>
<BLOCKQUOTE cite="" type="cite"><FONT face=Arial color=#000000>><I>
HCH.</I></FONT></BLOCKQUOTE>
<BLOCKQUOTE cite="" type="cite"><FONT face=Arial color=#000000>I'm trying to
imagine what HCH could be - and am failing. What is HCH?</FONT></BLOCKQUOTE>
<DIV><BR><BR></DIV>
<DIV>Hammer Center Height.</DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Wippen flange centers are 2.65 inches below the
HCH.</FONT></DIV>
<DIV><BR></DIV>
<DIV>Other alignments to consider: Action spread, knuckle core to jack
center.</DIV>
<DIV><BR></DIV>
<DIV>The first photo with the knuckle at 16 mm had the core lined up
properly</DIV>
<DIV>with the jack center. (Are those lead weights in the felt?)</DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Yes. I'm using some old junk hammers simply as a way to
put some weight out on the end of the shank. Lead was added to reach my target
SW.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>Is that the blow distance?</DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Close. In that picture the blow would probably be more
like two inches. Actual blow would have the shank a little
higher.</FONT></DIV>
<DIV><BR></DIV>
<DIV>On the relocated knuckle the jack center is too far forwards of the
knuckle core.</DIV>
<DIV>Can you increase the spread? </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial>Again, sounds scary. You know me - I never want to
modify anything - didn't the original master put this action together? Do you
really think you know more than the original masters who were 5rd generation
master piano builders and had been working at the Knabe factory for 109
years?</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Okay, I feel better now. ;-)</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Yes, the wip rail can be adjusted. I'll try that and see
what happens.</FONT></DIV>
<DIV> </DIV>
<DIV>Where does the rep lever contact the upstop screw,</DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Pretty much in the middle of the leather piece, I think.
I see where you are going with that. If I increase the action spread, the end
of the rep lever will tend to migrate out from under the upstop screw. Another
thing to evaluate. I think there is some slop there, but I'll check it
out.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>where does the jack contact the let off button. Is there room to
move?</DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>LOTS of room to move. I don't have the let-off rail
installed. It's one of those old funky designs that is very difficult to get a
tool in there for adjustment. My thought was to modify the let-off buttons
attachments and go with something more akin to a Yamaha. But I haven't
looked at that in quite some time. I'll look again.</FONT></DIV>
<DIV><BR></DIV>
<DIV>With that height of a heel extension the magic line is out the
window.</DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial>Why? The original setup missed the magic line by a mile.
This modified setup is dead-on the magic line. The capstan and wip heels move
together in perfect unison - no observable horizontal movement relative to one
another.</FONT></DIV>
<DIV><BR></DIV>
<DIV>More importantly in your experimentation, where does the jack end
up?</DIV>
<DIV>When all is said and done, the jack needs to be in close proximity to
the</DIV>
<DIV>knuckle at the end of the keystroke.</DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Without let-off buttons installed, I haven't tried that.
But isn't the position of the jack relative to the knuckle a function of the
amount of aftertouch? Probably more to it? Yes?</FONT></DIV>
<DIV><BR></DIV>
<DIV>Another consideration to really confound matters: stack relocation.</DIV>
<DIV>Since the hammers are not on, the stack could be located further
back</DIV>
<DIV>a few mm. Then the hammers might have to be installed at a shorter
radius.</DIV>
<DIV>I've corrected a few problems by moving the stack back on quite a few
actions.</DIV>
<DIV>This would cause an increase in dip and lower touchweight.</DIV>
<DIV><BR></DIV>
<DIV>Fun, ain't it?</DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Ah, yeah, right. In fact it is. I only wish I had more
time to kick back and really play with this thing - BUT I GOTTA GET IT
DONE!!!!!!!!!</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Oh well. ;-)</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Terry Farrell</FONT></DIV><X-SIGSEP><PRE>--
</PRE></X-SIGSEP>
<DIV><BR>Regards,<BR><BR>Jon Page</DIV></BLOCKQUOTE></BODY></HTML>