Baldwin Bass Strings

Richard Strang rstrang@pa.inter.net
Sun, 20 Jul 2003 20:01:39 -0500


Got a telephone no. or email for Arledge?

Richard

-----Original Message-----
From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On
Behalf Of Brent Musgrave
Sent: Sunday, July 20, 2003 7:12 PM
To: pianotech@ptg.org
Subject: RE: Baldwin Bass Strings


List,

A good friend of mine who is a retired university technician just restrung
a Baldwin-M recently.  He did not have to send samples for duplication.  He
used Arledge bass strings and had very high praise!  I did not personally
hear the piano but Dean said it sounded very nice.

Regards,
Brent Musgrave

pianotech-request@ptg.org wrote:

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>Subject: RE: Baldwin
>Date: Sat, 19 Jul 2003 23:33:29 -0400
>From: "Tom Driscoll" <tomtuner@comcast.net>
>To: "'Pianotech'" <pianotech@ptg.org>
>
>
>
>
>-----Original Message-----
> Subject: RE: Baldwin
>
>Can you recommend an exacting string maker? I'd sure like this piano to
>sound as good as it can. It sits in the living room of the U.S.
>ambassador
>to Panama.
>
>
>
>
>Richard,
>   I can recommend Sanderson in Littleton Mass.
>   Tom Driscoll
>
>
>Subject: Re: list-now Humor OT
>Date: Sat, 19 Jul 2003 22:49:57 -0700
>From: Robin Hufford <hufford1@airmail.net>
>To: Pianotech <pianotech@ptg.org>
>
>Tom,
>     Obviously you are a veteran of the list.  Very funny, original and
>amusing.
>Regards, Robin Hufford
>
>Tom Driscoll wrote:
>
>>    Part 1.1    Type: Plain Text (text/plain)
>>            Encoding: 7bit
>
>
>Subject: Re: More cut-off bar questions
>Date: Sat, 19 Jul 2003 23:24:43 -0700
>From: Robin Hufford <hufford1@airmail.net>
>To: Pianotech <pianotech@ptg.org>
>
>Hello Ron,
>    Nearly all of the cut-off bars I have seen on uprights have been
>what
>you describe - the Clayton variety.  Similarly the case with grands,
>although occasionally one sees a cut-off bar attached to the beams, I
>think, as you describe.
>     Along this line I have recently looked at the cut-off bars on the
>Wissner upright which I posted to on this thread six or eight weeks ago,
>and Wissner does indeed use these features.  There is a large section in
>the upper left corner in which a diagonally placed bar, approximately
>three inches wide and one and a quarter inches thick cuts off a large
>area of the sound board extending about 16 inches along a diagonal  line
>drawn from this corner to the opposite one.  The ribs are let into this
>cut-off bar, and terminate in it.  The bar, which is normal to the
>diagonal and thus defines a fairly large area of the board in this
>corner, appears to be a solid piece.   On the opposite corner a smaller
>section is cut-off not by a bar but by a gusset shaped piece that
>appears
>to be about one and a half inches thick, extending from the vertex along
>the bottom of the board for about eight inches and up the side of the
>board for approximately 25 or so, and then connected from the two ends.
>  The sound of this piano, while not of the timbre per se that my ear
>favors best, must be heard to be
>comprehended both as regards power, ringtime and attributes which one
>might consider as "grand like".    And this in its present, unrebuilt
>condition.
>     Another interesting feature of the piano is the plate which
>contains
>a flange fitted pinblock that is blocked up off the back.  Spacers
>occupy
>a space analagous to the action cavity on a grand but only and inch or
>so deep,
>and carry the screws into the back from the front of the block.  Another
>is a Capo
>d'Astro that extends across the entire length of the piano.
>     I intend to take some pictures of a Sohmer grand with the agraffed
>bridge later this month as per your request of some time ago and get
>them
>to you.
>     In my opinion there is no better termination system devised than
>this system for pianos, which I believe also has been used by several
>European
>manufacturers in the past.  Others will no doubt disagree but, to me,
>this is immediately made apparent by the far superior ringtime and power
>of these kinds of systems.   The conventional pinned bridge is, as far
>as
>I can see, a masterpiece of compromise whose fundamental aim is
>cost-efficiency first and foremost,  termination efficiency second, and,
>perhaps, tradition third.   And it is a very poor second at that as
>regards
>the termination function.
>     Steinway's traditional term for this bar, in the past,  has been
>"Closing rim"  and this often cut-off a space where the board was
>entirely absent and was used on numerous pianos.
>Regards,  Robin Hufford
>
>Overs Pianos wrote:
>
>> >What is a Clayton's cut-off?
>> >
>> >  Calin Tantareanu
>>
>> Around thirty years ago, when I was finishing school, Claytons Tonic
>> was the non-alcoholic drink folks would take if they weren't into the
>> real stuff.
>>
>> Similarly, the 'Claytons cut-off' is the one which isn't attached to
>> the back beams. Should one be completely overcome by the urge to use
>> an unattached cut-off, you might as well save the wood unless the
>> sales folks are short of speel.
>>
>> I don't know if the tonic is still made, but there's certainly no
>> shortage of Claytons cut-offs to be had.
>>
>> Ron O.
>> --
>>
>> OVERS PIANOS - SYDNEY
>>       Grand Piano Manufacturers
>>       _______________________
>>
>> Web http://overspianos.com.au
>> mailto:ron@overspianos.com.au
>>       _______________________
>> _______________________________________________
>> pianotech list info: https://www.moypiano.com/resources/#archives
>
>Subject: RE: Baldwin
>Date: Sat, 19 Jul 2003 23:49:58 -0500
>From: Ron Nossaman <RNossaman@cox.net>
>To: Pianotech <pianotech@ptg.org>
>
>
>>Can you recommend an exacting string maker? I'd sure like this piano to
>>sound as good as it can. It sits in the living room of the U.S. ambassador
>>to Panama.
>
>Mapes is quite capable of making a good set of strings, as is Arledge or
>Sanderson. The question is making them to what specifications? That's the
>rescaling Terry was talking about.
>
>And, incidentally, why is it more important that the piano sound good for
>the U.S ambassador to Panama than if it was for the widow Iris Flowers from
>Grand Junction, who would be spending the same money for similar
>expectations? I've always wondered about this sort of distinction.
>
>Ron N
>
>
>Subject: Conversions
>Date: Sat, 19 Jul 2003 23:43:27 -0700
>From: "Joseph Garrett" <joegarrett@earthlink.net>
>To: <pianotech@ptg.org>
>
>Ron said: "Wow! Break out your bookmarker and chisel this one near the top
>of the list."!!!
>Damned thing almost gave my 'puter a hernia!<G> Must be those metric freaks
>again!<G>
>Thanks Ron. Don't know what to do with it, but, thanks anyway!<G>
>Best Regards,
>Joe Garrett, RPT, (Oregon)
>
>Been There, Didn't Like It, So I'm Here To Stay! [G}
>
>
>Subject: Re: Baldwin/Richard Stang
>Date: Sat, 19 Jul 2003 23:47:57 -0700
>From: "Joseph Garrett" <joegarrett@earthlink.net>
>To: <pianotech@ptg.org>
>
>"I don't
>know whether I should have Mapes or Schaff make the strings. I think Schaff
>is cheaper, but maybe not so much so. What do you all think?"
>Hmmm? Last I heard Mapes and Schaff are one and the same. If you want good
>strings, get them from someone else, like Walter Schenke, Canada, J.D.
>Grandt Piano Supply Co.!!!!
>Just my slant on it.<G>
>Best Regards,
>Joe Garrett, RPT, (Oregon)
>
>Been There, Didn't Like It, So I'm Here To Stay! [G}
>
>
>Subject: RE: looking to replace my upright...
>Date: Sat, 19 Jul 2003 23:50:38 -0800
>From: "Stephen Airy" <stephenairy@fastmail.fm>
>To: "Piano Tech list - PTG" <pianotech@ptg.org>
>
>I did a little bit of thinking the last couple days on this subject.  I'm
>thinking that maybe I should use my current upright to learn how to hang
>hammers and regulate an action  (and maybe also replace whippens, hammer
>butts, or a few other things, but I haven't decided yet).  So... I'm
>temporarily taking myself off the market for a piano, at least for the
>time being.  However,  I am thinking about waiting a while, and saving up
>some money.
>
>I suppose I could plod along with my current piano, but when I am ready
>to upgrade, does anyone have any suggestions on what to get?  I'm
>thinking I would be open to either an upright or a grand, although if I
>got a grand it would have to wait a while before I get one, as I am
>living with my parents at this time and they don't have room for another
>grand.  Also, what would be a good price range to look at?  I don't need
>any fancy "furniture", but I do want a good responsive action, that
>allows for fairly fast playing, and good dynamic control, and a good,
>full, rich, brilliant tone, abundant in higher harmonics, all the way
>from A0 to C8, especially on FF passages, but not harsh.  If I go for a
>grand, I'm thinking at least 6 to 7 foot, but I don't want to spend a lot
>of dinero on a piano, so for me, a new piano from a dealer is out of the
>question, unless I wait a really long time and have >$50,000 to spend on
>a piano.  What do you think I should be able to get for, say,  $2,500?
>$5,000?  $10,000?  $20,000?  any other price tiers you might suggest
>looking at?  Like I said above, I've been thinking that I should probably
>learn some more technical things on my current piano, then after a couple
>years or so, start looking at getting another one.   Ultimately, I'd like
>to get a Bosendorfer Imperial, but I would have to save for a
>LLLLOOOOONNNNNGGGGG tttiiimmmeee...  and I wouldn't want to stick with my
>current piano for all that time.  I would want to have at least one or
>two steps between an old klunker upright and a halfway decent 8-octave
>9'6" grand. :)  Depending on available space and the price, I would be
>willing to get an older rebuilt 9 foot piano, even if it was not a
>Steinway.  I played a Knabe 9' grand recently that someone had advertised
>for $8,000, but I don't have the money for that right now, but if I did
>have the money and the space, I'd consider buying it.  Unfortunately,
>it's a limited time deal (private seller though) so when I AM able to buy
>something that size for that price, it probably won't be available. :(
>--
>  Stephen Airy
>  stephenairy@fastmail.fm
>
>Subject: Re: Flange Center Friction Increase
>Date: Sun, 20 Jul 2003 19:50:26 +1000
>From: "Scott Jackson" <ScottWayneJackson@hotmail.com>
>To: "Pianotech" <pianotech@ptg.org>
>
>No matter how 'gently' i try, i have never been able to put a cut centre
pin back in a bushing without knocking out the cloth! I would not recommend
trying this to anyone (unless they really want practise at re-bushing
flanges!).
>
>Scott Jackson
>Australia
>
>----- Original Message -----
>From: "Paul Chick (Earthlink)" <tune4@earthlink.net>
>To: "Pianotech" <pianotech@ptg.org>
>Sent: Saturday, July 19, 2003 10:07 AM
>Subject: RE: Flange Center Friction Increase
>
>
>
>| Terry
>| Isaac Sadisgursky talked about this in his class on center pins at the
>| Convention.  He demonstrated how a center pin can be too tight in the
>| bushing cloth and loose through the wood, just the opposite of what it
>| should be.  This problem can be spotted as you describe--fewer swings as
you
>| go along.  Here's his test: carefully remove the center pin from an
>| offending flange. Gently place it back in the bushed flange and check the
>| friction just by pushing the pin with your fingernail. Now place the same
>| pin in the wood and push it with your fingernail.  Chances are you can
push
>| it right through the wood.  The problem is caused by using the assembly
wire
>| used in the flange to size the bushing cloth during manufacturing.  When
the
>| flange is installed, the worker slides the wire back to clear the other
>| member then slides it through and cuts it to length, fitting done.  Isaac
>| says to watch for centers that are clipped on both sides of the flange.
>| This will tell you a wire had been used.  He then went on to demonstrate
how
>| to repin a set of flanges in about 45 minutes.
>| Paul C
>
>Subject: Re: looking to replace my upright...
>Date: Sun, 20 Jul 2003 19:36:32 +1000
>From: "Scott Jackson" <ScottWayneJackson@hotmail.com>
>To: "Pianotech" <pianotech@ptg.org>
>
>Yes! Please sell one to Stephen .............
>
>
>
>----- Original Message -----
>From: "gordon stelter" <lclgcnp@yahoo.com>
>To: "Pianotech" <pianotech@ptg.org>
>Sent: Sunday, July 20, 2003 2:03 AM
>Subject: RE: looking to replace my upright...
>
>| I still have couple of big, partially restored Knabes
>| from the 1890's I'd sell "reasonable".  I really don't
>| think you can get a bigger sound in an upright than
>| from these!
>|      Thump
>
>Subject: Re: looking to replace my upright...
>Date: Sun, 20 Jul 2003 08:15:33 -0400
>From: "Farrell" <mfarrel2@tampabay.rr.com>
>To: "Pianotech" <pianotech@ptg.org>
>
>".....living with my parents at this time and they don't have room for
another grand."
>
>So, there is a grand piano in your home?
>
>And does it have "a good responsive action, that allows for fairly fast
playing, and good dynamic control, and a good, full, rich, brilliant tone,
abundant in higher harmonics, all the way from A0 to C8, especially on FF
passages, but not harsh"?
>
>If so, why not play that piano - even if it is not a "9 foot piano", and
"even if it was not a Steinway"?
>
>Terry Farrell
>
>----- Original Message -----
>From: "Stephen Airy" <stephenairy@fastmail.fm>
>To: "Piano Tech list - PTG" <pianotech@ptg.org>
>Sent: Sunday, July 20, 2003 3:50 AM
>Subject: RE: looking to replace my upright...
>
>
>
>> I did a little bit of thinking the last couple days on this subject.  I'm
>> thinking that maybe I should use my current upright to learn how to hang
>> hammers and regulate an action  (and maybe also replace whippens, hammer
>> butts, or a few other things, but I haven't decided yet).  So... I'm
>> temporarily taking myself off the market for a piano, at least for the
>> time being.  However,  I am thinking about waiting a while, and saving up
>> some money.
>>
>> I suppose I could plod along with my current piano, but when I am ready
>> to upgrade, does anyone have any suggestions on what to get?  I'm
>> thinking I would be open to either an upright or a grand, although if I
>> got a grand it would have to wait a while before I get one, as I am
>> living with my parents at this time and they don't have room for another
>> grand.  Also, what would be a good price range to look at?  I don't need
>> any fancy "furniture", but I do want a good responsive action, that
>> allows for fairly fast playing, and good dynamic control, and a good,
>> full, rich, brilliant tone, abundant in higher harmonics, all the way
>> from A0 to C8, especially on FF passages, but not harsh.  If I go for a
>> grand, I'm thinking at least 6 to 7 foot, but I don't want to spend a lot
>> of dinero on a piano, so for me, a new piano from a dealer is out of the
>> question, unless I wait a really long time and have >$50,000 to spend on
>> a piano.  What do you think I should be able to get for, say,  $2,500?
>> $5,000?  $10,000?  $20,000?  any other price tiers you might suggest
>> looking at?  Like I said above, I've been thinking that I should probably
>> learn some more technical things on my current piano, then after a couple
>> years or so, start looking at getting another one.   Ultimately, I'd like
>> to get a Bosendorfer Imperial, but I would have to save for a
>> LLLLOOOOONNNNNGGGGG tttiiimmmeee...  and I wouldn't want to stick with my
>> current piano for all that time.  I would want to have at least one or
>> two steps between an old klunker upright and a halfway decent 8-octave
>> 9'6" grand. :)  Depending on available space and the price, I would be
>> willing to get an older rebuilt 9 foot piano, even if it was not a
>> Steinway.  I played a Knabe 9' grand recently that someone had advertised
>> for $8,000, but I don't have the money for that right now, but if I did
>> have the money and the space, I'd consider buying it.  Unfortunately,
>> it's a limited time deal (private seller though) so when I AM able to buy
>> something that size for that price, it probably won't be available. :(
>> --
>>   Stephen Airy
>>   stephenairy@fastmail.fm
>> _______________________________________________
>> pianotech list info: https://www.moypiano.com/resources/#archives
>
>Subject: Re: Disklavier Question
>Date: Sun, 20 Jul 2003 09:34:39 -0400
>From: "Dave Smith" <dsmith941@comcast.net>
>To: "Pianotech" <pianotech@ptg.org>
>
>Good work Terry. Looking back, I can see that Kevin's advice was the
>simplest and the best.  I looked at my notes and found that the symptom of
>the silent rail being turned as I had suggested is NOT a piano what won't
>play.  It is an action that won't go back in the piano.  I guess you can
>call that a piano what won't play also.  :)
>
>Now that you can work on Disklavier's (as well as build your own
>soundboards) you are probably ready for the hard questions.  Like, 'what is
>the meaning of life?"
>
>Dave Smith
>SW FL
>----- Original Message -----
>From: "Farrell" <mfarrel2@tampabay.rr.com>
>To: "Pianotech" <pianotech@ptg.org>
>Sent: Saturday, July 19, 2003 8:51 PM
>Subject: Re: Disklavier Question
>
>
>
>> Thanks for all the input. The Quiet-Time feature was an add-on unit. It
>was turned on. I pressed the on/off button, and thus turned off the
>Quiet-Time unit, and became a hero. Thanks all. It was rough, but I was
>tough!  ;-)  Sorry it wasn't something more complicated!!!!!
>>
>> Terry Farrell
>>
>> ----- Original Message -----
>> From: "Kevin E. Ramsey" <kevin.e.ramsey@cox.net>
>> To: "Pianotech" <pianotech@ptg.org>
>> Sent: Thursday, July 17, 2003 10:05 PM
>> Subject: Re: Disklavier Question
>>
>>
>> Hi Terry,
>>     The first thing that comes to mind is that she probably has the mute
>rail engaged. There is a box on the left side of the keybed. It has an
>on-off switch, and two knobs, volume and reverb. If she has the silent rail
>engaged and the volume pot all the way down, you won't hear anything.
>>     That's probably whats happening here. There are volume controls for
>the speakers on the power supply in between the beams under the piano,
which
>have to be turned up somewhat for the speakers to work. But as far as
>getting the piano to play, if it doesn't, it must be the silent rail is
>engaged with the volume off.
>>   Go out there, take your cell phone. If you run into trouble you can
call
>Yamaha at (800) 854-1569,, then 2,,then 2 to get right in to the support.
>They'll trouble shoot it with you on the line.  I wouldn't lose too much
>sleep about it, it's probably something that will take you about 5 minutes
>to figure out. Let us know what you found, OK?
>> Kevin.
>>   ----- Original Message -----
>>   From: Farrell
>>   To: pianotech@ptg.org
>>   Sent: Thursday, July 17, 2003 6:55 PM
>>   Subject: Disklavier Question
>>
>>
>>   I am stopping by a client's home tomorrow to look at her Yammy grand
>with a Disklavier. I told her I only know a VERY little about them, but she
>wants me to at least look at it (heck, maybe I'll find a cord not plugged
>in!). She says the piano has been set up for two years, but only recently
>she tried using it. She says the keys go up and down when she turns a disk
>on, but the piano makes no noise (no music). She thinks it has the Quiet
>Time feature (which I know almost nothing about).
>>
>>   Anyone care to throw out a few things to look at? Thanks for any
crumbs.
>>
>>   Again, I know almost nothing about these things (give me an hour and a
>bottle of rum and I MIGHT be able to figure out how to turn it on!).
>>
>>   Terry Farrell
>>
>>   _______________________________________________
>>   pianotech list info: https://www.moypiano.com/resources/#archives
>> _______________________________________________
>> pianotech list info: https://www.moypiano.com/resources/#archives
>
>
>Subject: Re: looking to replace my upright...
>Date: Sun, 20 Jul 2003 10:04:44 -0400
>From: J Patrick Draine <draine@comcast.net>
>To: Pianotech <pianotech@ptg.org>
>
>
>On Sunday, July 20, 2003, at 03:50  AM, Stephen Airy wrote:
>
>> I did a little bit of thinking the last couple days on this subject.
>> I'm
>> thinking that maybe I should use my current upright to learn how to
>> hang
>> hammers and regulate an action  (and maybe also replace whippens,
>> hammer
>> butts, or a few other things, but I haven't decided yet).
>
>Yep, stop thinking so much! Get yourself a good set of hammers, butts,
>and shanks, and get to work. Perhaps you should buy or borrow a hammer
>hanging jig, and certainly read relevant articles on the procedure
>(such as the one in Don Valley's series of articles "Behold the
>Upright!").
>
>Patrick
>
>
>Subject: Re: Flange Center Friction Increase
>Date: Sun, 20 Jul 2003 10:49:04 -0600
>From: Chris Gregg <cdgregg@telus.net>
>To: Pianotech <pianotech@ptg.org>
>
>I have a Samick grand action on my bench right now.  The problem I thought
>was sticking jacks, but on further investigation, the problem was the
>flange on the top of the repetition post. The repetition was not returning
>and therefore the jack was sticking on the knuckle.  I punched out the pin
>and noticed a residue on it, so then I punched out the bushing cloth to see
>what the problem really was.  The cloth was hard.  Too much glue on it,
>making the graphite stick to the pin.  I re-bushed and re-pinned the
>offender, however, I do not see doing this to all the bad ones.   I have
>re-pinned thousands of Young Chang action centres over the years.  I was
>led to believe that there was a sizing problem with the action centre cloth
>at one time.  Rep[inning I can handle, re-bushing is a pain in the you know
>what.
>
>Chris Gregg RPT
>
>  At 07:50 PM 7/20/2003 +1000, you wrote:
>>No matter how 'gently' i try, i have never been able to put a cut centre
>>pin back in a bushing without knocking out the cloth! I would not
>>recommend trying this to anyone (unless they really want practise at
>>re-bushing flanges!).
>>
>>Scott Jackson
>>Australia
>>
>>----- Original Message -----
>>From: "Paul Chick (Earthlink)" <tune4@earthlink.net>
>>To: "Pianotech" <pianotech@ptg.org>
>>Sent: Saturday, July 19, 2003 10:07 AM
>>Subject: RE: Flange Center Friction Increase
>>
>>
>>| Terry
>>| Isaac Sadisgursky talked about this in his class on center pins at the
>>| Convention.  He demonstrated how a center pin can be too tight in the
>>| bushing cloth and loose through the wood, just the opposite of what it
>>| should be.  This problem can be spotted as you describe--fewer swings as
you
>>| go along.  Here's his test: carefully remove the center pin from an
>>| offending flange. Gently place it back in the bushed flange and check
the
>>| friction just by pushing the pin with your fingernail. Now place the
same
>>| pin in the wood and push it with your fingernail.  Chances are you can
push
>>| it right through the wood.  The problem is caused by using the assembly
wire
>>| used in the flange to size the bushing cloth during manufacturing.  When
the
>>| flange is installed, the worker slides the wire back to clear the other
>>| member then slides it through and cuts it to length, fitting done.
Isaac
>>| says to watch for centers that are clipped on both sides of the flange.
>>| This will tell you a wire had been used.  He then went on to demonstrate
how
>>| to repin a set of flanges in about 45 minutes.
>>| Paul C
>>_______________________________________________
>>pianotech list info: https://www.moypiano.com/resources/#archives
>
>  http://www.tuneit.ca
>
>
>
>
>Subject: Re: Flange Center Friction Increase
>Date: Sun, 20 Jul 2003 10:55:06 -0500
>From: "James Grebe" <pianoman@accessus.net>
>To: "Pianotech" <pianotech@ptg.org>
>
>I wonder since Y-C makes the Essex if this is going to be a problem with
>them also?
>James Grebe
>Piano Tuner-Technician
>Wood Artisan
>Established 1962
>Creator  of Wooden Artifacts such as:
>Handsome Hardwood Caster Cups
>Handsome Hardwood Piano  Benches
>314 845-8282
>1526 Raspberry Lane
>Arnold, MO 63010
>
>----- Original Message -----
>From: "Chris Gregg" <cdgregg@telus.net>
>To: "Pianotech" <pianotech@ptg.org>
>Sent: Sunday, July 20, 2003 11:49 AM
>Subject: Re: Flange Center Friction Increase
>
>
>
>> I have a Samick grand action on my bench right now.  The problem I
thought
>> was sticking jacks, but on further investigation, the problem was the
>> flange on the top of the repetition post. The repetition was not
returning
>> and therefore the jack was sticking on the knuckle.  I punched out the
pin
>> and noticed a residue on it, so then I punched out the bushing cloth to
>see
>> what the problem really was.  The cloth was hard.  Too much glue on it,
>> making the graphite stick to the pin.  I re-bushed and re-pinned the
>> offender, however, I do not see doing this to all the bad ones.   I have
>> re-pinned thousands of Young Chang action centres over the years.  I was
>> led to believe that there was a sizing problem with the action centre
>cloth
>> at one time.  Rep[inning I can handle, re-bushing is a pain in the you
>know
>> what.
>>
>> Chris Gregg RPT
>>
>>   At 07:50 PM 7/20/2003 +1000, you wrote:
>> >No matter how 'gently' i try, i have never been able to put a cut centre
>> >pin back in a bushing without knocking out the cloth! I would not
>> >recommend trying this to anyone (unless they really want practise at
>> >re-bushing flanges!).
>> >
>> >Scott Jackson
>> >Australia
>> >
>> >----- Original Message -----
>> >From: "Paul Chick (Earthlink)" <tune4@earthlink.net>
>> >To: "Pianotech" <pianotech@ptg.org>
>> >Sent: Saturday, July 19, 2003 10:07 AM
>> >Subject: RE: Flange Center Friction Increase
>> >
>> >
>> >| Terry
>> >| Isaac Sadisgursky talked about this in his class on center pins at the
>> >| Convention.  He demonstrated how a center pin can be too tight in the
>> >| bushing cloth and loose through the wood, just the opposite of what it
>> >| should be.  This problem can be spotted as you describe--fewer swings
>as you
>> >| go along.  Here's his test: carefully remove the center pin from an
>> >| offending flange. Gently place it back in the bushed flange and check
>the
>> >| friction just by pushing the pin with your fingernail. Now place the
>same
>> >| pin in the wood and push it with your fingernail.  Chances are you can
>push
>> >| it right through the wood.  The problem is caused by using the
assembly
>wire
>> >| used in the flange to size the bushing cloth during manufacturing.
>When the
>> >| flange is installed, the worker slides the wire back to clear the
other
>> >| member then slides it through and cuts it to length, fitting done.
>Isaac
>> >| says to watch for centers that are clipped on both sides of the
flange.
>> >| This will tell you a wire had been used.  He then went on to
>demonstrate how
>> >| to repin a set of flanges in about 45 minutes.
>> >| Paul C
>> >_______________________________________________
>> >pianotech list info: https://www.moypiano.com/resources/#archives
>>
>>   http://www.tuneit.ca
>>
>>
>> _______________________________________________
>> pianotech list info: https://www.moypiano.com/resources/#archives
>
>
>Subject: Re: soundboardinstal
>Date: Sun, 20 Jul 2003 19:16:24 +0300
>From: "Calin Tantareanu" <dnu@fx.ro>
>To: "Pianotech" <pianotech@ptg.org>
>
>
>> Assuming that you know what you want (including the number and placement
>of
>> ribs, bridges, and cutoff bar), why you want it, and how to calculate it,
>
>How would one calculate a soundboard & ribs?
>I have always wondered about this.
>
>
>
> Calin Tantareanu
>----------------------------------------------------
> http://calintantareanu.tripod.com
>----------------------------------------------------
>
>
>
>
>Subject: Re: soundboardinstal
>Date: Sun, 20 Jul 2003 12:17:20 -0500
>From: Ron Nossaman <RNossaman@cox.net>
>To: Pianotech <pianotech@ptg.org>
>
>
>>How would one calculate a soundboard & ribs?
>>I have always wondered about this.
>>
>>  Calin Tantareanu
>
>I don't know what anyone else does, but I do a load analysis of the rib set
>from the new string scale. Downbearing loads on each rib are used to
>calculate deflection, and the ribs are sized to give me the deflection
>ranges I want through each section of the scale.
>
>Ron N
>
>

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