Hi what an originl idea. How do you thread the thread, free style, no needle? Much less invasive and effective. I've always just used a little moisture on the tip of my finger. Have done the CA without the pinbut 18s are in my case for chaser pins when repining. I'm gona give both ideas a try <G> Joe Goss RPT Mother Goose Tools imatunr at srvinet.com www.mothergoosetools.com ----- Original Message ----- From: "John Delacour" <JD at Pianomaker.co.uk> To: "Pianotech List" <pianotech at ptg.org> Sent: Friday, August 24, 2007 1:39 AM Subject: Re: Plugging and re-drilling birdseyes? Micro-precision feltcutter, for tiny pieces in butts? > At 8:08 pm -0600 23/8/07, Joe And Penny Goss wrote: > > >G, Why not just size the hole? Yes you can make them smaller. > > It's not even necessary to use size. Water alone will do the job. I > use needle and thread in a small saucer of plain cold water (WITHOUT > detergent!). After decentring I pull the needle through the holes so > that they are thoroughly filled with water and leave them for a few > hours to swell back to the original size. > > This week I have fully recentred a grand action using this method and > have been able to use the original size of pin throughout, since the > stiffness in the centres, in this case, was due only to the slight > oxidation of the brass under the worn nickel plating of the pins and > the piano had not been used so much as to cause the oxidation to wear > down the bushing. > > If centres are so loose that a pin more than 1/4 size larger (say > 1.25mm to 1.275mm) would be required, I rebush and use the above > method to enable me to revert to use the size of pin I have chosen > for the whole row. > > I have always used the maxim "think of the next man" in piano work. > When in 20 or 50 years' time the next perfect super-technician takes > apart the piano and exposes my work, I don't want him cursing me the > way I curse 95% of the "technicians" that I follow, and it would be > good if he didn't even notice that a repair had been done, so well > was it done. > > JD > >
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