Discussion Posts

  • Posted in: Pianotech

    Welcome aboard! ------------------------------ Ed Sutton ed440@me.com (980) 254-7413 ------------------------------

  • Posted in: Pianotech

    I received so much great information and this story now has a happy ending. Not only was I able to remake the broken beckets but I was also able to prevent breaking others. Thanks everyone : ) ------------------------------ Sean Stafford Endicott NY ...

  • Posted in: Pianotech

    O.K.., let me offer some thoughts in more detail. -The becket bend is the most fragile part of the piano wire, from the moment it is first made. A tap with a becket breaker, or a well-placed screwdriver, will break the becket, but not other places on ...

  • Posted in: Pianotech

    You should reach out to Dale Lassiter RPT Wdalelassiter@gmail.com  He was a senior member of their production team in those years. ------------------------------ Karl Roeder Pompano Beach FL ------------------------------

  • Posted in: Pianotech

    I have to look up the brand but I recall a piano that had chrome legs and a veneer cabinet of some type. The setting was a condo unit done in all white as in furniture and carpets. Very high end and it looked more like a keyboard but was an acoustic piano. ...

  • Posted in: Pianotech

    Hi Terry: What I meant was the piece of wire that was inside the tuning pin. The 90 deg. bend weakens the wire. Ed Sutton has a suggestion to avoid removing that piece of wire or at least not stressing it. But, just like any wire that's been bent once, ...

  • Posted in: Pianotech

    Just had this situation yesterday on a Story & Clark grand. VERY frustrating! Living helped a little...but still a pain in the beck. Pwg ------------------------------ Peter Grey Stratham NH 603-686-2395 pianodoctor57@gmail.com ------------------------------

  • Posted in: Pianotech

    Enlarging the hole in the new pin with a drill can also help ease insertion of a slightly bent becket, especially the big low ones. Some Asian wire is pretty stiff stuff. Too late now, but I always warn the piano owner ahead of time that this a possible ...

  • Posted in: Pianotech

    Paul wrote: "It's actually better to cut them off and make new anyway." Just trying to follow here - looking for some clarification Paul, as I have run into this before also. It is actually better to cut what off? The old becket? The old coil? The ...

  • Posted in: Pianotech

    The one I tuned was bright fuschia and poorly designed and fitted case work. I had to shim the key cover with .030 card stock punching to make it work right. The piano inside? Kimball, need I say more? ------------------------------ Larry Messerly, RPT ...

  • Posted in: Pianotech

    A dummy pin can be made by cutting off a tuning pin 8-10 mm below the hole. Cut a slot up into the hole with a hacksaw or Dremel Tool wheel. I keep this pin permanently jammed in a string crank, I have another crank for stringing with new pins. ------------------------------ ...

  • Posted in: Pianotech

    Cosmopolitan upright made by Kimball. Yr: 1998. Kimball apparently made this model as an experiment to compete with electronic keyboards. At least that's what the customer told me the salesman told her. All I can find is that Cosmopolitan is a name that ...

  • Posted in: Pianotech

    This happens if you crank back the pin and let the coil press like a spring against the becket. Grab the wire in the speaking length and pull, maintaining tension against the coil while you turn back the pin. Once you understand how this works there ...

  • Posted in: Pianotech

    Breaking beckets on old bass wire is usual, not unusual. It's actually better to cut them off and make new anyway. They are prone to break. Paul McCloud San Diego ------Original Message------ Greetings all : ) I'm seeking advice on a repinning job ...

  • Posted in: Pianotech

    Had the same thing happen to me today. Straightened out the wire, used a dummy pin and coiler to remake the becket and coils. Removed wire from dummy pin, put on old/new pin, tighten. Done. Trying to remake a 90 deg. bend on an old coil is tough. ...

  • Posted in: Pianotech

    Sean One thing that might help is if you would be to straighten out the coil.  Put the coil on a pin outside the piano, and pull, This will straighten out the coil. Then put the string on the pin, and recoil it on the pin, and drive the pin home. If ...

  • Posted in: Pianotech

    Greetings all : ) I'm seeking advice on a repinning job please. I'm replacing tuning pins in a Kawaii grand GS-50 that I'm told is around 30 years old.  Some of the 2/0 are loose and I'm replacing them with 3/0 pins and it's working out fine except ...

  • Posted in: Pianotech

    Hi Fred, From the Baldwin Service Manual: SD10, SF10 action spread - 4 31/64" L, R, M action spread - 4 27/64" I hope this helps - it sounds as if you have some action geometry to figure out. Let me know if I can give you any other information. ...

  • Posted in: Pianotech

    Plato Beans and Rice Mike🤧 to get in the door, with garlic please,  Forced vibration opposed to free vibration, don't wiki that it is 💩 ------------------------------ Benjamin Sloane Cincinnati OH 513-257-8480 ------------------------------

  • Posted in: Pianotech

    Expansion of heated metal. One point not to be overlooked is that different metals expand differently - a fact put to good use in the bi-metal strip operated cut-off switch. Michael UK ------Original Message------ As for plate flex in not ...

  • Posted in: Pianotech

    Chris - I didn't know it was 1st April today!!? And not to forget a tin of striped paint . . . Michael UK ------Original Message------ BTW, I was thinking about the statement " the rib wants to go back to being straight" thing this morning. ...

  • Posted in: Pianotech

    As for plate flex in not only soundboard stress, but the effect of torque on the rim and struts, For the most part metals respond to temperature change, which demonstrates the flexibility of metals regardless of temperature change. It is possible to ...

  • Posted in: Pianotech

    No problem David. My understanding is that whatever crown that comes to be before glue-in becomes the neutral. Then after glue-in the further on going compression adds hygroscopic strength. I believe the past pianomakers took advantage of that phenomenon ...

  • Posted in: Pianotech

    Question answered, thanks! ------------------------------ David Streit Registered Piano Technician Owner, AAA Piano Services Beaverton, Oregon ------------------------------

  • Posted in: Pianotech

    The Baldwin service manual is available on my website as a pdf. ------Original Message------ Hello All, does anyone have a Baldwin service manual that might have specs for whippens and hammer shanks? I am dealing with a customer who had action ...

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    1980 Baldwin R Specs

    Posted in: Pianotech

    Hello All, does anyone have a Baldwin service manual that might have specs for whippens and hammer shanks? I am dealing with a customer who had action replace with Renner parts and I don't think the replacement whippets were correct ones for that action ...

  • Posted in: Pianotech

    My apologies, I've found myself in the field without my piano action handbook. Can anyone help me out with the specs for a Henry F. Miller HMG063EP Grand? Thank you so much. David Streit, RPT 503-381-8289 usapianoman@gmail.com ------------------------------ ...

  • Posted in: Pianotech

    I don't agree with that.  If a panel bends a rib in the process of panel compression the rib will want to straighten back to its original condition, whatever that was.  The question for me is what happens when you glue the entire dome shaped assembly ...

  • Posted in: Pianotech

    Are the hammers pre-hung? ------------------------------ Benjamin Sloane Cincinnati OH 513-257-8480 ------------------------------

  • Posted in: Pianotech

    Arching is easy. After clicking on the Pianotek URL posted I realized PT wants you to sign in. Click the navigation bar new tools. It is the Spurlock grand hammer tail arching jig. https://www.pianoteksupply.com/product/2391/NEW!-Spurlock-Grand-Hammer-Tail-Arcing-Jig.aspx ...

  • Posted in: Pianotech

    Charles Squaring the hammers is a process of bending the shanks to make sure all the hammers are perpendicular to each other. Before you "square" the hammers, they need to travel the shanks in a straight plane to the strings. After traveling, the hammers ...

  • Posted in: Pianotech

    Charles, I am part of a small minority (so far) that uses the term "squaring the hammers" to mean what most techs call "burning the shanks" (never could figure out what to do with all those ashes after burning…). I'm guessing that you mean arcing the ...

  • Posted in: Pianotech

    I need to replace two sets of grand hammers. I'm having both sets custom bored and tapered, but not squared. My supplier doesn't do that. They insist it's "easy to do." Does anyone know if there is any video(s) or other pictorial instruction that ...

  • (Feel free to reply here, email mbyrley@gmail.com, or text the number below) ------------------------------ Michael Byrley Chicago IL 847-977-8434 ------------------------------

  • I'll be arriving in St Louis on Tues, July 11, and am hoping to stay at the (sold out) convention hotel on Tues, Wed, and Thursday nights. I'd be happy to share costs those nights with anyone who's already booked a room (even willing to go 60/40, to sweeten ...

  • Posted in: Pianotech

    BTW, I was thinking about the statement " the rib wants to go back to being straight" thing this morning. I think that is a false statement. So I went to my current pre cut "straight" rib stock(about 50 pieces). And guess what, not a single piece was ...

  • Posted in: Pianotech

    Benjamin, Forced? The pipes are 'caused' to resonate sympathetic to their dimensions. And yes, you have a very valid point about the Organ Flue Pipe being a fundamental (or first harmonic) resonator. But the sound does not decay and therefore becomes ...

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    RE: Mystery wing

    Posted in: Pianotech

    If they decide to put it down I want the wing and keyboard it is attached to. It looks like a trophy glued to the plate. There was a piano company called Wing and Son which sold direct from the factory. They are known for a 5 pedal upright and I know ...

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    Mystery wing

    Posted in: Pianotech

    Greetings distinguished colleagues. A local PAC has asked for my help in identifying a PSO with no name or serial to be found. It does however have one feature unique enough that someone on this list might remember seeing one before and have more of an ...

  • Well, I guess you snooze, you lose.  Sandy let me know this morning that the hotel is sold out.  I got a call yesterday from someone who wanted to room with me, but it looks like we may have to stay at another hotel.  Anybody have room for maybe another ...

  • Posted in: Pianotech

    You are welcome about the pictures which I took with my iPhone. We call the slot that the spring rests in the "grub". Often timesd it gets full of gunk and needs to be cleaned out with the wood burnished with hard graphite which I then burnished. The ...

  • Posted in: Pianotech

    The story of the late British "pianist," Joyce Hatto. https://youtu.be/bSaGMaA3eA4 YouTube The Great Piano Scam Amazing short documentary called The Great Piano Scam. Unraveling one ...

  • Posted in: CAUT

    Great tip on the 99 percent Isopropyl  alcohol. I found using a dedicated felt mute for rubbing marks of key tops after wetting with a Clorox Wipe removed anything I came up against. The mute adds just enough friction to abrade the mark of the key top ...

  • Posted in: Pianotech

    Sure Mr. Sykes. Here are a few scale tensions I looked up this morning. Steinway B - 39,000lbs Stieff Upright- 41,000lbs Weber 7' -36,500 lbs Steinway O - 34,600lbs Chickering 5' - 43,619lbs So generally speaking (as scales can vary)that's ...

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    Young Chang g185

    Posted in: Pianotech

    1980's vintage YC G185 is starting to age into the realm of needing some serious work. F#58 and other notes in that area are generating a high pitched metallic buzz. When I push down on the high end of the bridge beyond C88 the sound goes ...

  • Posted in: Pianotech

    Michael, Are you sure that the decay factor is the only thing that makes hearing beats of multiple tones easier when a vibration is forced through an organ pipe? Are you goading me into answering this right or wrong? Are not pipe organs designed in such ...

  • Posted in: Pianotech

    Thanks, James for your excellent photos which are indeed worth more than a thousand words! - I see the problem. I was having difficulty in understanding the term 'grub' - which I now see must be the slot in the underside of the balancier (or repetition ...

  • Posted in: Pianotech

    Well I do have a couple of harpsichords I tune, but, no. Unless I have remembered it incorrectly, I thought that normal string tension in a normal piano varies from 90 Lbs to 120 Lbs per string. The reason for the difference being the result of scaling. ...

  • Posted in: Pianotech

    My guess, when coming across this situation, has been that the previous tech who was adjusting the springs simply pulled up on them, flattening the original curve of the spring. I have listened to a nationally respected instructor teaching that as his ...

  • Posted in: Pianotech

    Paul: In an indirect way that is what we're talking about. Volume and "ring time", or sustain, are at opposite ends of the continuum. Volume is a function, in this respect, of the speed in which the assembly reacts to energy inputs from the strings. ...