30/31 STRING PARAGUAYAN HARP STRING ORDER CHART
FOR HARPS MADE BY ROBERT HART/ POLAR BEAR HARP MUSIC
All length and diameter measurements are in inches as the strings come from the USA which uses imperial measurements To convert to millimeters multiply by 25.4
*The top B was added to later models only
NYLON STRING TENSION FORMULA� INCHES/POUNDS |
String No |
NOTE |
Freq Hz |
L inches |
Diam |
Tension Pounds |
%BS |
*1 |
B |
1975.533 |
3.15 |
0.025 |
7.477 |
33.8 |
2 |
A |
1760 |
3.98 |
0.025 |
9.477 |
42.9 |
3 |
G |
1567.982 |
4.646 |
0.025 |
10.247 |
46.4 |
4 |
F |
1396.913 |
5.315 |
0.025 |
10.646 |
48.2 |
5 |
E |
1318.51 |
5.984 |
0.025 |
12.023 |
54.4 |
6 |
D |
1174.659 |
6.693 |
0.025 |
11.937 |
54 |
7 |
C |
1046.502 |
7.362 |
0.025 |
11.464 |
51.9 |
8 |
B |
987.767 |
8.071 |
0.028 |
15.396 |
55.6 |
9 |
A |
880 |
8.858 |
0.028 |
14.721 |
53.1 |
10 |
G |
783.991 |
9.528 |
0.028 |
13.516 |
48.8 |
11 |
F |
698.456 |
10.354 |
0.028 |
12.67 |
45.7 |
12 |
E |
659.255 |
11.142 |
0.032 |
17.071 |
47.2 |
13 |
D |
587.33 |
11.929 |
0.032 |
15.532 |
42.9 |
14 |
C |
523.251 |
12.717 |
0.032 |
14.009 |
38.7 |
15 |
B |
493.883 |
13.583 |
0.032 |
14.239 |
39.3 |
16 |
A |
440 |
14.567 |
0.032 |
12.999 |
35.9 |
17 |
G |
391.995 |
15.63 |
0.036 |
15.033 |
32.8 |
18 |
F |
349.228 |
16.811 |
0.036 |
13.803 |
30.1 |
19 |
E |
329.628 |
17.992 |
0.036 |
14.085 |
30.7 |
20 |
D |
293.665 |
19.094 |
0.036 |
12.592 |
27.5 |
Mid C 21 |
C |
261.626 |
20.472 |
0.04 |
14.183 |
25.1 |
22 |
B |
246.942 |
21.85 |
0.04 |
14.394 |
25.5 |
23 |
A |
220 |
23.228 |
0.045 |
16.34 |
22.8 |
24 |
G |
195.998 |
24.331 |
0.045 |
14.23 |
19.9 |
25 |
F |
174.614 |
25.984 |
0.0036/010 |
17.2 |
39.3 |
26 |
E |
164.814 |
28.031 |
0.0036/010 |
17.834 |
40.7 |
27 |
D |
146.832 |
29.528 |
0.0036/010 |
18.215 |
43.6 |
28 |
C |
130.813 |
31.969 |
0.036/010 |
19.454 |
40.5 |
29 |
B |
123.471 |
34.252 |
0.040/010 |
23.35 |
33.5 |
30 |
A |
110 |
36.614 |
0.045/013 |
28.951 |
36.8 |
31 |
G |
97.999 |
38.583 |
0.045/.015 |
28.272 |
36.1 |
Total Tension Approx |
471.359 |
|
last revised August 1997