Boom angle(°)
Radius(m) (ft)
88 83 78 73 68 63 88 83 78 73 68 63
12 41.3
(39′4″) (91)
14 41.3 41.3
(45′11″) (91) (91)
16 41.3 41.3
(52′6″) (91) (91)
18 41.3 39.8 41.3 39.7
(59′1″) (91) (87.7) (91) (87.5)
20 37.0 35.9 37.4 35.9
(65′7″) (81.5) (79.1) (82.4) (79.1)
22 31.9 32.8 32.3 32.8
(72′2″) (70.3) (72.3) (71.2) (72.3)
24 27.5 30.2 27.5 28.4 30.2
(78′9″) (60.6) (66.5) (60.6) (62.6) (66.5)
26 27.9 25.4 25.0 27.9 25.5
(85′4″) (61.5) (55.9) (55.1) (61.5) (56.2)
28 26.0 23.6 20.5 26.0 23.7
(91′10″) (57.3) (52) (45.1) (57.3) (52.2)
30 22.0 19.9 24.4 22.0
(98′5″) (48.5) (43.8) (53.7) (48.5)
32 20.6 18.6 22.5 20.5 18.8
(104′12″) (45.4) (41) (49.6) (45.1) (41.4)
34 19.2 17.4 19.0 17.3
(111′7″) (42.3) (38.3) (41.8) (38.1)
36 16.3 14.7 17.6 16.1
(118′1″) (35.9) (32.4) (38.8) (35.4)
38 15.3 13.7 15.1 13.4
(124′8″) (33.7) (30.2) (33.2) (29.5)
40 12.8 14.1 12.5
(131′3″) (28.2) (31) (27.5)
42 11.9 10.7 11.7
(137′10″) (26.2) (23.5) (25.7)
44 10.0 11.0 9.7
(144′4″)
(22) (24.2)
(21.3)
46 9.4 9.1
(150′11″) (20.7) (20)
48 8.5
(157′6″) (18.7)
50
(164′0″)
52
(170′7″)
54
(177′2″)
56
(183′9″)
58
(190′3″)
60
(196′10″)
62
(203′5″)
64
(209′12″)
66
(216′6″)
68
(223′1″)
70
(229′8″)
72
(236′3″)
74
(242′9″)
Length of luffing
jib(m) (ft)
(72′2″) (82′
0″)
22 25
Length of main
boom(m) (ft)
52.5
(172′3″)
Not including boom hook. Counterweight (85.2+5.8)×1000kg/((187.8+12.8)×1000lb) Unit:kg(lb)×1000
Load Charts of luffing jib Hook for LJ Operating condition
4.7: 71/97
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