Hi Fred, How are those special reamers working out for you? Joe Goss imatunr@srvinet.com www.mothergoosetools.com ----- Original Message ----- From: "Fred Sturm" <fssturm@unm.edu> To: "College and University Technicians" <caut@ptg.org> Sent: Saturday, May 29, 2004 1:57 PM Subject: Re: Practical Concert Work > --On Saturday, May 29, 2004 5:17 PM +0200 Richard Brekne > <Richard.Brekne@grieg.uib.no> wrote: > > > Thanks for chirping in there Fred. I have to say I had similar reactions > > to much of his article. It would be nice to know some more about who > > this fellow is, and what kind of concert venues and artists he frequently > > provides service for. > > > > I agree particularily with your point about string leveling.... tho I'm > > sure we can go along with Hudson far enough to acknowledge if one > > over-does pulling upwards on the strings one can indeed cause problems > > along the lines he mentions. That said... to suggest that no string > > leveling whatsoever should be done struck me as bad advice. If you dont > > mind it, I'd like to hear more about your thoughts on key bushing > > cloth....you dipped slightly into that and it roused my interest. > > > > Cheers > > RicB > > Key bushing cloth? Well, there are five thicknesses each of Haines and > Charles House offered by Pianotek. I think what Renner, Schaff and Spurlock > offer are the Haines. Perhaps you can get Yamaha as well, if you can > negotiate their parts department. That's what is available in firm felt, at > least that I know of. > At any rate, I like to have plenty of the smallest three sizes of each > (Charles and Haines) on hand at all times. There is some variation in > thickness between batches. When bushing with Spurlock cauls and method, I > look for a fit that is looser than I would really like with the caul (I'd > prefer the cauls be a couple thousandths wider; and, yes, Bill will custom > make them, and maybe I'll get around to ordering some. My complaint about > it being too loose is that the caul doesn't hold the felt quite tightly > enough for cutting purposes, and I have to bear down/sidways on the caul > while cutting to avoid the felt pulling). I just experiment with various > sizes I have in stock until I get what feels right. Sometimes that is two > slightly different sizes (one in each side of the mortise). > I have found that if I get that loose fit when installing the finish caul, > ironing with the parallel sided brass cauls from Pianotek leaves me with a > perfect fit, and I don't find myself needing to do any easing a year or two > down the road. Absolutely no custom easing (except for balance hole). If I > use felt that is not all that much tighter, I find that no amount of > ironing will create a permanently correct size - I have to squeeze wood, > which I vastly prefer not to do, both for practical and theoretical reasons. > Regards, > Fred Sturm > University of New Mexico > _______________________________________________ > caut list info: https://www.moypiano.com/resources/#archives
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