celtic harp

30 or 31 string Paraguayan Folk Harp String Chart

Find string charts for our harps so you can order new strings or use them as a guide to design your own harp.  Select the string chart to suit your harp from the pages below. Note these charts are only for harps made or repaired by Geoff Welham.


30/31 STRING PARAGUAYAN HARP STRING ORDER CHART 
FOR HARPS MADE BY ROBERT HART/ POLAR BEAR HARP MUSIC

31string paraguayan celtic harp 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
 

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