---------------------- multipart/alternative attachment AF. there are four or five large screws.The heads are secured by a round head screw overlapping the large screws head. This allows the rail to be raised or lowered at four or five places. It is a very quick way to adjus= t the dip providing the keys are identical dimensions.=0D =0D The back rail pianos sometimes had front touch washers or a strip of felt= to stop the key from snapping in the middle.=0D =0D I personally remove all the back rails if I am doing a major regulation. Plus, the rail is normally made of a good quality hard wood suitable for = all sorts of odd jobs that need a small piece of hard wood.=0D =0D Some of the old German pianos had a rail that had to be cut off with a circular saw and had no adjusting screws, so the adjustment was packing t= he felt where needed. =0D =0D Regards=0D Robin Stevens ARPT=0D South Australia=0D =0D =0D =0D =0D =0D =0D -------Original Message-------=0D =0D From: Pianotech=0D Date: 09/05/05 01:37:10=0D To: Pianotech=0D Subject: Re: No front rail punchings either=0D =0D Typically 1890's German pianos. On a very hard blow this setup would tend= to=0D break keys. With that back rail, I don't know how they regulated the key=0D dip.=0D =0D AF=0D =0D =0D ----- Original Message -----=0D From: "Michael Gamble" <michael@gambles.fsnet.co.uk>=0D To: "'John Delmore'" <johndelmore@cox.net>; <pianotech@ptg.org>=0D Sent: Sunday, September 04, 2005 9:26 AM=0D Subject: RE: No front rail punchings either=0D =0D =0D > Hello List=0D > If this contribution gets through without being hurled back as=0D > "suspicious"=0D > by "owner-pianotech-ptg etc" I have often come across upright pianos wi= th=0D > no=0D > front rail punchings. Reason? There's a suspended rail over the tail en= d=0D > of=0D > the keyframe. The keys hit this instead.=0D > Regards from a Sunny early morning in The Village. Coffee Vicar?=0D > Michael G.(UK)=0D >=0D > -----Original Message-----=0D > From: John Delmore [mailto:johndelmore@cox.net]=0D > Sent: 04 September 2005 03:13=0D > To: pianotech@ptg.org=0D > Subject: Balance rail punchings=0D >=0D > Hi all:=0D > Today, I got into the Brinkerhoff "lab" piano--just a thourough cleanin= g=0D > right now. I noticed that there are no felt punching on the balance ra= il:=0D > is this common for circa 1925 pianos (sn 114743 if any of you kind folk= s=0D > have an atlas handy)? I'm guessing I shouldn't "add" felts where I don= 't=0D > find them.=0D > John Delmore=0D >=0D >=0D >=0D >=0D =0D =0D _______________________________________________=0D pianotech list info: https://www.moypiano.com/resources/#archives=0D =20 ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/69/0f/86/8e/attachment.htm ---------------------- multipart/alternative attachment--
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