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List,
Here's some stuff from the archives from several years ago.
Avery
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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Hi Richard/Newton,
I have wondered about this as well. R=F6slau (from metric Germany)
comes from the factory marked for the American market labeled in
American sizes, i.e. 16, 161/2, 17, etc. What I am unsure about is if
they actually draw American size gages or if they simply mark their
metric wire to the closest American equivalent. Anyone know?
I ordered R=F6slau gage 16 from APSCO recently and it mic'ed exactly
the same as my metric R=F6slau gage 16 1/2 which I had imported from
Germany to my shop (at more than twice the cost). I am going to
continue my query with more sizes.
Dave Sanderson
Littleton, MA
On Thu, 22 May 1997 23:19:42 -0500 Richard Moody=20
<<mailto:remoody@easnetsd.com>remoody@easnetsd.com>
writes:
>I am wondering why German wire sold by APSCO is not listed in its
>metric size. R=F6slau piano wire is listed in sizes 12 - 23 with half
>sizes the same as Mapes and Diamond Brand.
>
>The question is, is # 20-1/2 wire the same or different from
>manufacturer to manufacturer?
>
>Richard the wirey
>----------
>> From: Newton Hunt <<mailto:nhunt@jagat.com>nhunt@jagat.com>
>> To: <mailto:pianotech@byu.edu>pianotech@byu.edu
>> Subject: Re: Duplex noise ratio
>> Date: Thursday, May 22, 1997 12:46 PM
>>
>> Dave asked about metric wire sizes. The differences between metric
>> and American sizes are indeed small in the smaller sizes but become
>> rather more at the larger sizes.
>
>> snip
>>
>> I had both metric and American wire at Rutgers and used the metrics on
>> the Bechstein, Bosendorfer, the Yamahas and the Kawais. All others
>> got American wire.
>>
>> German wire is available from APSCo and Schaff.
>>
>> Newton
Date: Tue, 27 May 1997 08:03:26 -0400 (EDT)
From: <mailto:pianobiz@juno.com>pianobiz@juno.com (Dave Sanderson)
Subject: American vs Metric wire
Hello all,
I have modified the format only of Newton's data (hopefully not
manipulated). Perhaps someone who buys R=F6slau from APSCO could take a mic
and see which column of numbers their R=F6slau wire matches the best.
Imported R=F6slau from Jahn, of Germany is always marked on the package in
millimeters (.925 mm). The ring of R=F6slau I bought from APSCO recently=
just
had a gage number (16) on the package, no corresponding diameter in either
inches or millimeters. It matched my imported 16 1/2 exactly, in other
words, it mic'ed at .950 mm.
David Sanderson
Littleton, MA
<mailto:pianobiz@juno.com>pianobiz@juno.com
______________________________________
American Wire Metric wire
Gage .001" mm .001" mm
12 .029" .737mm .0285" .725mm
12.5 .030" .762 .0295 .750
13 .031" .787 .0305 .775
13.5 .032" .813 .0315 .800
14 .033" .838 .0325 .825
14.5 .034" .864 .0335 .850
15 .035" .889 .0344 .875
15.5 .036" .914 .0354 .900
16 .037" .940 .0364 .925
16.5 .038" .965 .0374 .950
17 .039" .991 .0384 .975
17.5 .040" 1.016 .0394 1.000
18 .041" 1.041 .0404 1.025
18.5 .042" 1.063 .0413 1.050
19 .043" 1.092 .0423 1.075
19.5 .044" 1.118 .0433 1.100
20 .045" 1.143 .0443 1.125
20.5 .046" .0453 1.150
21 .047" 1.194 .0463 1.175
21.5 .048" .0472 1.200
22 .049" 1.245 .0482 1.225
23 .050" 1.295 .0512 1.300
23.5 .0531 1.350
24 .053" 1.346 .0551 1.400
24.5 .0571 1.450
25 .055" 1.397 .0591 1.500
26 .0630 1.600
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