<HTML>In a message dated 1/24/2002 9:10:37 PM Pacific Standard Time, larudee@pacbell.net writes: <BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">Subj:Re: Tuning Pin Size Date:1/24/2002 9:10:37 PM Pacific Standard Time From:<A HREF="mailto:larudee@pacbell.net">larudee@pacbell.net</A> Reply-to:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A> To:<A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A> Sent from the Internet David, The details are in the article, but the disadvantage is that the 1/0 pin will be less rigid.  This can be a problem in a Steinway type design where the distance between the point of string tension and the pin block is roughly three times greater than in an open face design, and where there is no plate bushing to mitigate the leverage.   Hi Paul -- I'll read the article but would you mind saying this a different way as it's not clear to me. I find that using no 1 pins in new blocks is not a problem unless fit too tight but what pin isn't. I don't have any trouble with no. ones otherwise. I'll read the article, really!  I can't deny that no 2 are stiffer but ones render nicely when fit well which is why I like them.</BLOCKQUOTE>       >>>>>>>>>>Dale Erwin If that's the design Steinway wants, my pins are the <BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px"> answer, in my opinion.  They are fat, with the needed rigidity, right up to the coil, at which point they become 1/0.  If you keep the original block on a Steinway and replace the 2/0 pins with mine (the ones with the 1/0 heads), I think you'll get better performance than the original pins. Paul David Love wrote: > Paul: > > Perhaps I should read your article.  But do you (or others) think that > Steinway was right to go to a fatter pin given their system?  What about > restringing a Steinway with a new block with #1 pins?  Will it create > problems? > > David Love > > ----- Original Message ----- > From: <larudee@pacbell.net> > To: <pianotech@ptg.org> > Sent: January 24, 2002 5:41 PM > Subject: Re: Tuning Pin Size > > > |John, > > > > What David is calling #1 and #2 are generally called 1/0 and 2/0, which is > the > > same as 0 and 00.  the corresponding diameters are .276" and .282" or > 7.00mm. > > and 7.15mm.  The 6.75mm. pins are the true size 1 pins, the size number > > increasing as the diameter decreases.  This size is in the Fletcher and > Newman > > catalog, but not generally available from U.S. distributers. > > > > For the pros and cons of increasing and decreasing pin size, you may be > > interested in the considerations set forth in my article on tuning pin > physics > > in the January and February issues of the PTG Journal, which are a bit > lengthy > > to reproduce here.  As for your thoughts about the use of 2/0 pin in new > pianos > > starting with Steinway (because of their closed pinblock design without > > bushings) and then being copied by other (primarily American) > manufacturers, I > > think that is exactly the case. > > > > Paul Larudee > ></BLOCKQUOTE> </HTML>