Chickering Quarter Grand Pinblock

erwinspiano at aol.com erwinspiano at aol.com
Sun Jul 20 23:32:08 MDT 2008


Wow Nick

  null Nick null??

  Are you lost? Or did you stumble out of the quarter grand forest & into the domain of cyber space piano junkies?  uh huh!  I see
  SO now you've opened the can full worms & you asked waay too many questions & now your likely get help but hey we love you Nick & you need help
  Welcome aboard. Grin
  Dale
 From Alaska the last great frontier
   

Hello All,



 

I have found myself knee-deep (and delightfully so) in an authentic Chickering Quarter grand rebuild (belly job only).  

 

Questions: most of us know about the machine-screwed, two-step pinblock fit to the two-step plate flange (ouch). I understand per my fellow tech and friend, Les Conover of Albuquerque, how to fit the new block using a straight ¾” router bit and a router table set up. Any other (aka simpler?) ideas out there?

 

Also, I would like to replace the agraffes, but the original threaded studs are slightly smaller in diameter than the standard size available today. Has anyone re-bored and re-tapped the holes to accept a standard ¼” stud?  Or might it be better to remove and recondition the existing agraffes?

 

Progress thus far: the crowned soundboard is made and fitted to the case; the bridges are underway; and it is now time to begin thinking seriously about the block.

 

Thanks for your consideration.

 

 

 

Nick Gravagne, RPT

 



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