Boom angle(°)
Radius(m) (ft)
88 83 78 73 68 63 88 83 78 73 68 63
10 68.9
(32′10″) (151.8)
12 63.3 62.6
(39′4″) (139.5) (138)
14 56.4 59.9 56.9
(45′11″) (124.3) (132) (125.4)
16 48.5 54.2 49.3 54.2
(52′6″) (106.9) (119.4) (108.6) (119.4)
18 40.7 47.8 47.1 41.4 47.1
(59′1″) (89.7) (105.3) (103.8) (91.2) (103.8)
20 34.9 41.8 41.6 35.5 42.0 41.5
(65′7″) (76.9) (92.1) (91.7) (78.2) (92.5) (91.4)
22 30.3 36.5 36.9 35.7 30.9 36.3 36.8
(72′2″) (66.7) (80.4) (81.3) (78.7) (68.1) (80) (81.1)
24 31.6 33.0 32.0 27.2 32.0 32.9 31.8
(78′9″) (69.6) (72.7) (70.5) (59.9) (70.5) (72.5) (70.1)
26 27.1 29.9 29.0 27.8 28.2 29.9 28.8
(85′4″) (59.7) (65.9) (63.9) (61.2) (62.1) (65.9) (63.4)
28 27.2 26.4 25.4 25.0 27.2 26.2 25.3
(91′10″) (59.9) (58.2) (55.9) (55.1) (59.9) (57.7) (55.7)
30 24.3 23.4 22.6 25.0 24.1 23.3
(98′5″) (53.5) (51.5) (49.8) (55.1) (53.1) (51.3)
32 21.5 20.8 22.4 22.2 21.4 20.6
(104′12″) (47.3) (45.8) (49.3) (48.9) (47.1) (45.4)
34 19.3 20.6 19.9 19.2
(111′7″) (42.5) (45.4) (43.8) (42.3)
36 18.5 17.9
(118′1″) (40.7) (39.4)
38 16.6
(124′8″) (36.5)
40
(131′3″)
42
(137′10″)
44
(144′4″)
46
(150′11″)
48
(157′6″)
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″)
Length of luffing
jib(m) (ft)
(72′2″)
(82′0″)
22 25
Length of main
boom(m) (ft)
28.5
(93′
6″)
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: 15/97
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