Scaling

[Ron Nossaman]

> For the record, this Kawai had all sizes in American. All wire sizes 
> were accurate with American measurements.
> When I initially evaluated the instrument and saw the #14 at the top, my 
> first inclination was to assume that it was a #13.5 string.
> I have done a number of Kawai's and Yamaha's in the past were the size 
> measurement were 1/2 size larger in all cases. Thus, my curiosity as to 
> why this was different raised several concerns. Could this have been a 
> mistake from the factory?
> Or could this be the result of another technician miss-reading the 
> initial readings and stringing with incorrect sizes?
>  
> Tom Servinsky



According to what I have here, Metric is (approximately, 
rounded to four decimal places) 0.0005" smaller through gages 
12-14.5, 0.0006" smaller through gages 15-18, 0.0007" smaller 
through gages 18.5-21, and 0.0008" smaller through gages 
21.5-23. It never does get a full half size smaller.

gage	inches	inches	metric
------------------------------
12	 0.029	 0.0285	 0.725
12.5	0.030	0.0295	0.75
13	 0.031	 0.0305	 0.775
13.5	0.032	0.0315	0.8
14	 0.033	 0.0325	 0.825
14.5	0.034	0.0335	0.85
15	 0.035	 0.0344	 0.875
15.5	0.036	0.0354	0.9
16	 0.037	 0.0364	 0.925
16.5	0.038	0.0374	0.95
17	 0.039	 0.0384	 0.975
17.5	0.040	0.0394	1
18	 0.041	 0.0404	 1.025
18.5	0.042	0.0413	1.05
19	 0.043	 0.0423	 1.075
19.5	0.044	0.0433	1.1
20	 0.045	 0.0443	 1.125
20.5	0.046	0.0453	1.15
21	 0.047	 0.0463	 1.175
21.5	0.048	0.0472	1.2
22	 0.049	 0.0482	 1.225
23	 0.051	 0.0512	 1.3
23.5	0.052	0.0522	1.325

Ron N