Length of (m) (m) Length of
main boom (ft) (ft) main boom
13 19 25 31 13 19 25 31
(42′8″) (62′4″) (82′0″) (101′8″) (42′8″) (62′4″) (82′0″) (101′8″)
13.3/54.8 13.3/54.4 13.3/54.9 13.3/54.5 13.8/51.7 13.8/51.3 13.8/50.8 13.8/50.4
(43′8″/120) (43′8″/119) (43′8″/121) (43′8″/120) (45′3″/113) (45′3″/113) (45′3″/111) (45′3″/111)
51.6 51.2 50.7 50.3 50.6 50.2 49.7 49.3
(113.7) (112.8) (111.7) (110.8) (111.5) (110.6) (109.5) (108.6)
44.4 44.0 43.5 43.1 43.5 43.1 42.6 42.2
(97.8) (97) (95.9) (95) (95.9) (95) (93.9) (93)
38.6 38.2 37.7 37.3 37.8 37.4 36.9 36.5
(85) (84.2) (83.1) (82.2) (83.3) (82.4) (81.3) (80.4)
33.9 33.5 33.0 32.6 33.2 32.8 32.3 31.9
(74.7) (73.8) (72.7) (71.8) (73.1) (72.3) (71.2) (70.3)
29.8 29.4 28.9 28.5 29.3 28.9 28.4 28.0
(65.6) (64.8) (63.7) (62.8) (64.5) (63.7) (62.6) (61.7)
26.5 26.1 25.6 25.2 26.0 25.6 25.1 24.7
(58.4) (57.5) (56.4) (55.5) (57.3) (56.4) (55.3) (54.4)
23.7 23.3 22.8 22.4 23.3 22.9 22.4 22.0
(52.2) (51.3) (50.2) (49.3) (51.3) (50.4) (49.3) (48.5)
21.2 20.8 20.3 19.9 20.8 20.4 19.9 19.5
(46.7) (45.8) (44.7) (43.8) (45.8) (44.9) (43.8) (42.9)
19.0 18.6 18.1 17.7 18.6 18.2 17.7 17.3
(41.8) (41) (39.9) (39) (41) (40.1) (39) (38.1)
17.2 16.8 16.3 15.9 16.8 16.4 15.9 15.5
(37.9) (37) (35.9) (35) (37) (36.1) (35) (34.1)
15.2 14.8 14.3 13.9 15.0 14.6 14.1 13.7
(33.5) (32.6) (31.5) (30.6) (33) (32.1) (31) (30.2)
13.6 13.2 12.7 12.3 13.4 13.0 12.5 12.1
(29.9) (29.1) (27.9) (27.1) (29.5) (28.6) (27.5) (26.6)
12.0 11.6 11.1 10.7 11.8 11.4 10.9 10.5
(26.4) (25.5) (24.4) (23.5) (26) (25.1) (24) (23.1)
10.7 10.3 9.8 9.4 10.5 10.1 9.6 9.2
(23.5) (22.7) (21.6) (20.7) (23.1) (22.2) (21.1) (20.2)
9.6 9.2 8.7 8.3 9.4 9.0 8.5 8.1
(21.1) (20.2) (19.1) (18.2) (20.7) (19.8) (18.7) (17.8)
8.4 8.0 7.5
7.1 8.2 7.8 7.3 6.9
(18.5) (17.6) (16.5) (15.6) (18) (17.1) (16) (15.2)
7.5 7.1 6.6 6.2 7.3 6.9 6.4 6.0
(16.5) (15.6) (14.5) (13.6) (16) (15.2) (14.1) (13.2)
6.6 6.2 5.7 5.3 6.4 6.0 5.5 5.1
(14.5) (13.6) (12.5) (11.6) (14.1) (13.2) (12.1) (11.2)
5.8 5.4 4.9 4.5 5.6 5.2 4.7 4.3
(12.7) (11.9) (10.8) (9.9) (12.3) (11.4) (10.3) (9.4)
5.1 4.7 4.2 3.8 4.9 4.5 4.0 3.6
(11.2) (10.3) (9.2) (8.3) (10.8) (9.9) (8.8) (7.9)
4.3 3.9 3.4 3.0 4.1 3.7 3.2 2.8
(9.4) (8.5) (7.4) (6.6) (9) (8.1) (7) (6.1)
3.7 3.3 2.8 2.4 3.5 3.1 2.6 2.2
(8.1) (7.2) (6.1) (5.2) (7.7) (6.8) (5.7) (4.8)
3.2 2.8 2.3 1.9 2.9 2.5 2.0 1.6
(7) (6.1) (5) (4.1) (6.3) (5.5) (4.4) (3.5)
2.7 2.3 1.8 60/1.4 2.4 2.0 1.5 60.0/1.1
(5.9) (5) (3.9) (196′10″/3) (5.2) (4.4) (3.3) (196′10″/2)
2.2 1.8 62/1.3 1.9 1.5 62.0/1.0
(4.8) (3.9) (203′5″/2) (4.1) (3.3) (203′5″/2)
1.7 64/1.3 1.5 64.0/1.1
(3.7) (209′12″/2) (3.3) (209′12″/2)
65.3/1.2 66.0/1.0
(214′3″/2) (216′6″/2)
55554444
(241′2″) (250′12″)
(203′5″)
(209′12″)
(216′6″)
(177′2″)
(183′9″)
(190′3″)
(196′10″
)
(150′11″)
(164′0″)
(170′7″)
48
50
(131′3″)
(137′10″)
42
(157′6″)
62
56 56
(45′11″)
(52′6″)
(59′1″)
(65′7″)
16
(78′9″)
(85′4″)
Number of rope Number of rope
64 64
66 66
58
60 60
(91′10″)
(98′5″)
26
28
(118′1″)
(124′8″)
62
52 52
54 54
(177′2″)
(183′9″)
(190′3″)
(196′10″)
58
44
46 46
(144′4″)
38 38
40 40
(124′8″)
34
36 36
(104′12″)
(111′7″)
30 30
32
24 24
(78′9″)
(85′4″)
(91′10″)
26
28
(72′2″)(72′2″)
18
20 20
22 22
12 12
14 14
(39′4″) (39′4″)
Length of jib(m)
Working radius(m)