reamed

[Joe And Penny Goss]

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