The Swedish upright action must be a copy of the old Bechstein upright action. It looks identical to the 1904 Bechstein I have in the shop. Those springs kind of get in the way as I recall. -- *Boaz Kirschenbaum, RPT* | Concert Piano Tuner *Cherry Tree Piano* PO Box 1304 West Tisbury, MA 02575 508-939-0629 | Cell & Office info at cherrytreepiano.com <pianotuner at gmail.com> | email www.cherrytreepiano.com | web On Wed, Feb 9, 2011 at 6:04 PM, <pianotech-request at ptg.org> wrote: > Send pianotech mailing list submissions to > pianotech at ptg.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://ptg.org/mailman/listinfo/pianotech > or, via email, send a message with subject or body 'help' to > pianotech-request at ptg.org > > You can reach the person managing the list at > pianotech-owner at ptg.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of pianotech digest..." > > Today's Topics: > > 1. Re: Hailun soundboards (George F Emerson) > 2. Re: What Just happened (Susan Kline) > 3. Re: Refining Damper lift (Mr. Mac's) > 4. Re: Bridge pin locations help (image oops) (Thomas Cole) > 5. Swedish upright (limhseng at gmail.com) > > > ---------- Forwarded message ---------- > From: "George F Emerson" <pianoguru at cox.net> > To: <pianotech at ptg.org> > Date: Wed, 9 Feb 2011 01:02:52 -0500 > Subject: Re: [pianotech] Hailun soundboards > No, it is not a translation issue ....well, not Chinese to English > translation, rather Marketing-ese to Technician-ese. The marketing folks > wanted to avoid any association with the terms "laminated" or "plywood," so > they came up with a term totally irrelevant to the soundboard structure, > implying a convex shape, expecting that the consumer would have no idea what > it really means, obscuring the reality with fancy rhetoric. > > It reminds me of a famous English French horn player. A group of younger > horn player were complaining of the impossible technical difficulty of a > ridiculously fast scale run in a classical masterpiece. (Rites of Spring, > maybe?) The Englishman's response was, "Just wiggle your fingers about and > dazzle 'me with science, Boys." > > Here is the Technician-ese translation: The Hailun soundboards in uprights > and smaller grands is laminated. They have three plies with a lumber core, > and veneer laminations, top and bottom. Unlike traditional plywood, the > surface veneer is at 15 degrees to the core (not 90). The design intent is > to preserve much of the flexibility of a solid panel, with the resistance to > cracking of a laminated board, the best of both worlds. > > To read what another manufacturer might write to describe the exact same > thing might sound like something entirely different, in Marketing-ese. > > > Frank Emerson > > ----- Original Message ----- > > *From:* J Patrick Draine <jpdraine at gmail.com> > *To:* pianotech at ptg.org > *Sent:* Tuesday, February 08, 2011 9:32 PM > *Subject:* Re: [pianotech] Hailun soundboards > > It appears to be an inexact translation of a spec list/description. Gimme > the original Chinese and I'll see if I can do better. > Patrick Draine > > On Tue, Feb 8, 2011 at 8:56 PM, Mckeever, James I <mckeever at uwp.edu>wrote: > >> >> >> The soundboard on Hailun uprights and smaller grands is described as >> follows: >> >> "All mountain spruce with 15 degree spruce meniscus coating for climatic >> resistance and flexibility." >> >> Never heard of it! Is it a good thing? How might it affect the sound? >> The Hailun's I have played are surprisingly resonant, with good sustain. >> >> Comments encouraged! >> >> Thanks, >> >> Jim McKeever >> University of Wisconsin-Parkside >> > > > > ---------- Forwarded message ---------- > From: Susan Kline <skline at peak.org> > To: pianotech at ptg.org > Date: Tue, 08 Feb 2011 22:06:11 -0800 > Subject: Re: [pianotech] What Just happened > Possibly a very little kid was playing around with computer buttons? > > I'm not investigating, though. > > On 2/8/2011 7:48 PM, Mr. Mac's wrote: > >> On Feb 8, 2011, Malinda Dobrins wrote: >>> >> replied to 16 emails with no message >> >> Keith >> >> >> > > > > > ---------- Forwarded message ---------- > From: "Mr. Mac's" <tune-repair at allegiance.tv> > To: pianotech at ptg.org > Date: Wed, 9 Feb 2011 00:47:11 -0600 > Subject: Re: [pianotech] Refining Damper lift > > > On Feb 8, 2011, at 12:26 PM, The Davis Family (Mark, Janine, William, > Stephen & Matthew) wrote: > > > >> > > … After the initial adjustment of the damper levers, in a grand, so that > the dampers lift as one unit in general with the pedal and so that the > damper begins to lift when the hammer is approx halfway to the strings, how > does one go about the refinement procedure so that 1. All dampers are > lifted by the key when the hammer is halfway to the string. I find it > difficult to assess and know how to go about this refining. And, 2. All > dampers move as one unit? > > > > I understand that one uses strips of paper of various thickness and that > one might need to iron felt. What I really would like to know is the > process of assessing for refining and how one goes about the actual refining > for damper lift to hammer and to pedal? > > Mark, > > 1) Allowing all the key board felts are in good condition > (front rail punchings, balance rail punchings, back rail cloth) > and allowing key height and key travel are correctly adjusted, > you get all the dampers to move as one unit by adjusting > all the damper wires in the under lever top flanges > until they move as one unit when lifted by the under lever frame > while at the same time making certain the damper heads > are aligned with their respective strings. > > 2) For individual key lift it is best to have the same > thickness of under lever key cushions that will produce the results you > want. > Choose the correct thickness and that should eliminate > for the most part individual shimming and ironing. > > That's a start. > > Keith > > > > > > ---------- Forwarded message ---------- > From: Thomas Cole <tcole at cruzio.com> > To: pianotech at ptg.org > Date: Tue, 08 Feb 2011 23:50:43 -0800 > Subject: Re: [pianotech] Bridge pin locations help (image oops) > Lee Dobrins, > > The pianotech mailing list just got over two dozen posts from Malinda > Dobrins sent from your email account. They were all replies with no text > added. Thought you might want to know about it. > > Tom Cole > > On 2/8/11 7:02 PM, Malinda Dobrins wrote: > >> >> ----- Original Message ----- From: "Mr. Mac's" <tune-repair at allegiance.tv >> > >> To: <pianotech at ptg.org> >> Sent: Tuesday, February 08, 2011 4:19 PM >> Subject: Re: [pianotech] Bridge pin locations help (image oops) >> >> >> >>> On Feb 5, 2011, at 2:23 PM, Ron Nossaman wrote: >>> >>> On 2/5/2011 2:18 PM, Mr. Mac's wrote: >>>> >>>>> >>>>> On Feb 5, 2011, at 2:06 PM, Ron Nossaman wrote: >>>>> >>>>> Shoulda asked, man...<G> >>>>>> >>>>> >>>>> No doubt, dude, but those myths prevail. >>>>> >>>> >>>> And when all is said and done yet again, they still will. This false >>>> beat thing is more resistant to science and good sense than anything else >>>> I've ever seen in this business. >>>> >>> >>> Hey, Ron, >>> >>> On this Baldwin M I wrote about under >>> the Subject: Cybertuner vs OnlyPure, >>> I had a number of numerous single string false beats >>> in the upper treble. >>> >>> So I did the CA thin treatment on the bridge pins in conjunction with >>> the tuning visit. >>> >>> Spectacular results! >>> >>> Thanks for another great reminder of the truth of things. >>> >>> Regards, >>> >>> Keith McGavern, RPT >>> http://www.ptg.org/chapters/oklahoma/ >>> http://pianostuff.kamcam.com/ >>> >>> >> >> > > > ---------- Forwarded message ---------- > From: limhseng at gmail.com > To: pianotech at ptg.org > Date: Wed, 9 Feb 2011 09:03:15 +0000 > Subject: [pianotech] Swedish upright > Hi list > This Swedish upright has a unique action. There is a cord and spring at > the jack area. > Lim > Sent from my BlackBerry Wireless Handheld > Powered by Gee! from StarHub > _______________________________________________ > pianotech mailing list > pianotech at ptg.org > http://ptg.org/mailman/listinfo/pianotech > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20110209/5e4924d9/attachment.htm>
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