Greg,
Here are some pics although they are guitars they are pretty self explanatory.
Hope they are helpful
Gerry Cousins
Gerry,
This may indeed help. If I can’t find a
digital photo online I’ll look through my copy of his book and make my
own photos. I appreciate your tip.
Greg Newell
Greg's Piano Forté
www.gregspianoforte.com
216-226-3791 (office)
216-470-8634 (mobile)
From: pianotech-bounces at ptg.org
[mailto:pianotech-bounces at ptg.org] On Behalf Of G Cousins
Sent: Tuesday, October 27, 2009 7:16 PM
To: pianotech
Subject: [pianotech] finish questions
Greg,
I have often found samples in clients own homes as an example of open vs closed
grain.
Most people have both types of oak in homes. If they have a cabinet,old
desk, shelves (furniture) etc.
most times this is an open pore (grain) finish. Oak floors and most
chairs, tables etc. would have closed pore (grain) finish.
Also keep in mind that many furniture manufacturers are using catalyzed
finishes.
Bob Flexner has written many excellent books which are pictorial references.
Hope this helps.
Gerry Cousins,RPT
West Chester University of PA
-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Greg Newell
Sent: Tuesday, October 27, 2009 7:44 AM
To: pianotech at ptg.org
Subject: [pianotech] finish question
Does anyone have pictures (digital) of the difference between open grained
finish and closed grain finish. I’d like to email some to my customer to
show the difference. Thanks!
Greg Newell
Greg's Piano Forté
www.gregspianoforte.com
216-226-3791 (office)
216-470-8634 (mobile)
--Forwarded Message Attachment--
From: rnossaman at cox.net
To: pianotech at ptg.org
Date: Tue, 27 Oct 2009 22:35:11 -0600
Subject: Re: [pianotech] Mysterious Key Noise
Patrick C. Poulson wrote:
>
> Greetings: I am working on a grand piano that has a noise coming from C2
> that is eluding me. The symptom is a knocking that occurs on the
> downstroke. The noise disappears when the sustain pedal is depressed,
> but still present when the C2 damper is lifted individually. I initially
> thought it was the key end felt, but the fact that the noise remained
> when I lifted the damper manually excluded that as the source.
Right, and it also excluded damper leads, flanges, springs,
and up stop rail for similar reasons. It also excludes the
wippen, since the noise disappears with the pedal depressed,
but not with the damper lifted. What's left is what Dave
Porritt suggested as the likely cause. The key end hitting the
damper tray.
Ron N
--Forwarded Message Attachment--
From: surfdog at metrocast.net
To: pianotech at ptg.org
Date: Wed, 28 Oct 2009 05:47:52 -0400
Subject: Re: [pianotech] Mysterious Key Noise
And if you remove the cheek blocks and then slide the action out a smidgen,
the noise should go away if the key is hitting the tray. If you are lucky,
this piano will have an adjustable cheekblock that will allow you to
position the action far enough out to eliminate the noise.
Will Truitt
-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Ron Nossaman
Sent: Wednesday, October 28, 2009 12:35 AM
To: pianotech at ptg.org
Subject: Re: [pianotech] Mysterious Key Noise
Patrick C. Poulson wrote:
>
> Greetings: I am working on a grand piano that has a noise coming from C2
> that is eluding me. The symptom is a knocking that occurs on the
> downstroke. The noise disappears when the sustain pedal is depressed,
> but still present when the C2 damper is lifted individually. I initially
> thought it was the key end felt, but the fact that the noise remained
> when I lifted the damper manually excluded that as the source.
Right, and it also excluded damper leads, flanges, springs,
and up stop rail for similar reasons. It also excludes the
wippen, since the noise disappears with the pedal depressed,
but not with the damper lifted. What's left is what Dave
Porritt suggested as the likely cause. The key end hitting the
damper tray.
Ron N
--Forwarded Message Attachment--
From: kenneth.gerler at prodigy.net
To: pianotech at ptg.org
Date: Wed, 28 Oct 2009 05:17:00 -0500
Subject: Re: [pianotech] Mysterious Key Noise
"The noise disappears when the sustain pedal is depressed, but still
present when the C2 damper is lifted individually."
The above tells me it is the Sustenuto tab on the damper under lever
"engaging" with the Sustenuto rod. Did you pull the action and then
lift the damper on C2?
Ken Gerler
----- Original Message -----
From:
John Formsma
To: pianotech at ptg.org
Sent: Tuesday, October 27, 2009 10:03
PM
Subject: Re: [pianotech] Mysterious Key
Noise
What kind of grand piano?
It wouldn't be in the wippen. The wippen makes the same motion whether or
not the dampers are lifted.
I'm assuming you checked sostenuto tabs weren't hitting the sostenuto
bar? But that would be immediately evident when lifting the damper by itself,
as you mention you'd done.
More info ... but then you'll probably see what it is whilst gathering
"more info." :-)
--
JF
On Tue, Oct 27, 2009 at 3:40 PM, Patrick C. Poulson
<pcpoulson at sbcglobal.net>
wrote:
Greetings: I am working on a grand piano that has a
noise coming from C2 that is eluding me. The symptom is a knocking that
occurs on the downstroke. The noise disappears when the sustain pedal is
depressed, but still present when the C2 damper is lifted individually. I
initially thought it was the key end felt, but the fact that the noise
remained when I lifted the damper manually excluded that as the source. This
would also seem to eliminate the damper flange as the source, and I also
checked that flange and it made no unusual noise by itself. It seems that
there must be something going on within the wippen, but why the noise
disappears when the sustain pedal is depressed puzzles me. Your help
is appreciated.
Patrick C. Poulson
Registered
Piano Technician
530-265-1983
--Forwarded Message Attachment--
From: kam544 at allegiance.tv
To: pianotech at ptg.org
Date: Wed, 28 Oct 2009 06:31:44 -0500
Subject: Re: [pianotech] question (bridle strap)
Marshall,
Tabs break every now and then. Just the way it is sometimes.
Keith
On Oct 27, 2009, at 7:43 PM, Marshall Gisondi wrote:Bridal straps are not difficult to hook up right? well this one was and in the process of trying to hook it over and over and over.. the tab gave up and broke. Could a bad tab make it hard to hook up a strap? I"ve done these at the school, and I'm sure I was doing it right, just go up the right side of the wire and around that loop and kind of under and up over the post letting the hole on the tab through. Each time I did this the tab looked cockide.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://ptg.org/pipermail/pianotech.php/attachments/20091028/bd516d58/attachment-0001.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: open pore finish.jpg
Type: image/jpeg
Size: 171828 bytes
Desc: not available
URL: <http://ptg.org/pipermail/pianotech.php/attachments/20091028/bd516d58/attachment-0002.jpg>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: closed pore finish.jpg
Type: image/jpeg
Size: 418844 bytes
Desc: not available
URL: <http://ptg.org/pipermail/pianotech.php/attachments/20091028/bd516d58/attachment-0003.jpg>
This PTG archive page provided courtesy of Moy Piano Service, LLC