R1 approximately equal to 0.8 D
r approximately equal to 0.15 D
DN |
D |
h |
15 |
21.3 |
25 |
20 |
26.9 |
25 |
25 |
33.7 |
38 |
32 |
42.4 |
38 |
40 |
48.3 |
38 |
50 |
60.3 |
38 |
65 |
76.1 |
38 |
80 |
88.9 |
51 |
|
101.6 |
64 |
100 |
114.3 |
64 |
125 |
139.7 |
76 |
150 |
168.3 |
89 |
200 |
219.1 |
102 |
250 |
273.1 |
127 |
300 |
323.9 |
152 |
350 |
355.6 |
165 |
400 |
406.4 |
178 |
450 |
457 |
203 |
500 |
508 |
229 |
550 |
559 |
254 |
600 |
610 |
267 |
650 |
660 |
267 |
700 |
711 |
267 for T ≤ 25 |
290 |
750 |
762 |
267 for T ≤ 20 |
310 |
800 |
813 |
267 for T ≤ 17.5 |
330 |
850 |
864 |
267 for T ≤ 14 |
350 |
900 |
914 |
267 for T ≤ 10 |
370 |
1000 |
965 |
305 for T ≤ 14.2 |
420 |
1050 |
1016 |
305 for T ≤ 13 |
405 |
1100 |
1067 |
343 for T ≤ 12 |
390 |
1150 |
1118 |
343 for T ≤ 11 |
375 |
1200 |
1168 |
343 for T ≤ 10 |
360 |