disrupted mortises

[chuck c]

Wow! What beautiful work, Michael!  (See Slideshow/Pictures at his website)

1)Where did you get (or did you make) that pretty notching jig?  and...
2)What machine you using in photo#27 for planing?

Thanks,
Chuck Christus







-----Original Message-----
>From: MICHAEL MORVAN <keymaestro at verizon.net>
>Sent: Dec 5, 2006 8:54 PM
>To: Pianotech List <pianotech at ptg.org>
>Subject: Re: disrupted mortises
>
>Ed,
>    In my opinion, get out as much of that PVC-E glue as possible, it is not 
>compatible with hide glue, it is rubbery and when it has saturated the pores 
>no glue will stick well accept more of the same. Then machine a mortise 
>relief cut into the underside of the keystick to get a clean and square 
>mortise to work with. Now, you might want to glue size the mortise with hide 
>glue which can help the bushing to stick in a mortise that has been 
>saturated with PVC-E glue. Try and isolate the really bad mortises and use 
>thicker sized cloths or replace the mortise entirely, you have more 
>flexibility for slop in the front rail than the balance. The services page 
>of my website shows mortise relief cuts, glue sizing and mortise 
>replacement. Good luck and remember to spare the next technician the horror 
>of fixing a bad repair, because the next technician might be you.
>
>Michael A. Morvan
>Blackstone Valley Piano
>Dedicated To Advancing The Art Of Keyboard Restoration
>76 Sutton Street
>Uxbridge, Ma. 01569
>(508) 278-9762
>Keymaestro at verizon.net
>www.pianoandorgankeys.com
>