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----- Original Message -----=20
From: Marie Wendy=20
To: Pianotech=20
Sent: Saturday, January 01, 2005 5:20 AM
Subject: My My My
I have been reading these posts, thinking I could get my head wrapped =
around a few terms and brands that I am not familiar with. Just so very =
beginning right now but I am sure much more will amke sense as times =
flies by while training.
:-)
My little sister years ago, used to sit on the john reading a =
dictionary to learn terminology--AT AGE FOUR!
She is very no- extremely eloquent in speech right now as a grown =
woman.
Me thinks I'll be on the john with the Piano Atlas.......
Hope everything comes out alright.
Carl Meyer
PTG assoc
Wendy Gagne
www.wd40piano.com
www.wd40piano.ca
"Lesher, Trent J." <tlesher@sachnoff.com> wrote:
Hi Terry,
What is this piano that you're working on? I don't see a metal =
spider, so I'm thinking it might be that Knabe you mentioned. =20
BTW, I am going to go look at a Bush & Lane Pompeiian in Michigan =
next weekend. It is one of what B&L called their "traditional =
uprights," which have the most massive plates of all the B&L's, is a =
full 58", with the same speaking-length scale as my current one but =
longer backscale in the bass and also longer backscale at the bottom of =
the long bridge, and bass bridge direct to the board (not cantilevered). =
The Pompeiian is also my favorite of the cabinet styles I've seen so =
far (same as I sent you a picture of last year). This vintage (1919) =
should have the Wessel Nickel and Gross action, and maybe I'll be lucky =
and it has lost-motion compensation. However, while these models do =
have curved sounboard rims, they do not have the plate-flange supported =
pin-block with the upward-extended soundboard, but I'm not sure what =
extension in that direction does anyway (my current one has the =
extension, and does have an enchanting lower ! midrange, but who knows =
why?). Any exciting developments after next weekend, I'll report =
further.
Regards,
Trent Lesher
-----Original Message-----=20
From: Terry [mailto:terry@farrellpiano.com]=20
Sent: Thu 12/30/2004 6:53 PM=20
To: Pianotech=20
Cc:=20
Subject: Re: Recycled technology-cutoff bar
Or if the original cut-off bar didn't cut enough off! - But I =
used new wood, so you still win! ;-)
Terry Farrell
----- Original Message -----=20
From: Erwinspiano@aol.com=20
To: pianotech@ptg.org=20
Sent: Thursday, December 30, 2004 1:03 PM
Subject: Recycled technology-cutoff bar
List
I find this kind of thing fun when I can take a beautiful =
piece of previously engineered something and adapt it to something else =
saving big time & cash & utilizing something that originally was very =
expensive to make & end up with a nice result
A client brought in a 1900 ish Baldwin upright that ended up =
needing more than it first appeared, including a board. It wasn't worth =
doing so the decision was made to scrap it. The tech who brought in the =
job wanted the beams & such for the maple & I'll be able to salvage the =
spruce in the lam. beams also.=20
The real jewel though was that this piano had a laminated =
soundboard liner just like Mason or Stwy grands & uprights ( not as =
thick as a grand ). I managed to get it off in nearly one piece with =
crow bars, chisels & an Oklahama speed wrench.
Now coincidently I'm replacing the board in a 6 ft. 1 inch =
Mason AA no. 28,246 which has ribs so long a cutoff bar was really a =
necessity. =20
The old Upright board liner had plenty of stock for this & =
by fashioning it to fit the corner of the AA I was able to install a =
straight 28 inch cut off bar that reduced the overall length of 6 ribs =
as much as 13.5 inches. My longest rib was 50" & one of the longest =
I've ever witnessed in any piano. This rib is now about 37.5 inches =
long. I don't believe its possible to use ribs this long and expect =
crown support for very long. Although my observations of the AA's is =
limited the 13 rib scale has shown the crown has not survived even with =
tension resonator claims. Hence the few AA boards I've seen are usually =
quite flat. The sound of this piano though fair was quite lack luster in =
its tonal appeal if you know what I mean even though the board was not =
seriously cracked up
The Mason AA has a very wide body & hence very long ribs =
for a 6 ft 1" piano
The original rib scale was as follows on the left
For clarity the measurements below are the actual rib =
speaking length not including the piece in the notches.
=20
1. 30 in inches
2. 37
3. 45 --------38 modified length
4. 50 --------37.5
5. 46 -------35.5
6. 40 --------32.5 =20
7. 34 --------29.5
8. 28 --------27
9. 28
10. 20
11.18
12. 15
13. 13
It's easy to see there is far more hopes for the longevity =
of rib & crown stiffness than the previous scale. this mod also get the =
bridge more nearly centered over the long ribs which is IMO a good =
thing.This original bridge also has the transition bridge with all the =
usual funky tri-chords. It's receiving a modified trans. bridge with =
bi-chord replacements.
I'll let you know how it turns out in a month or so. The =
action is done & case stripped. The parts are in the finish process =
waiting for the belly man to get it done so my finish guy(Roy) can have =
the case & plate.
Good new year to all
Dale Erwin
=20
=20
Erwins Pianos Restorations=20
4721 Parker Rd.
Modesto, Ca 95357
209-577-8397
Rebuilt Steinway , Mason &Hamlin Sales
www.Erwinspiano.com
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