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 63.2 62.6
(39′4″) (139.3) (138)
14 56.1 60.1 56.5
(45′11″) (123.6) (132.4) (124.5)
16 48.0 54.3 48.9 54.3
(52′6″) (105.8) (119.7) (107.8) (119.7)
18 40.4 47.7 47.7 41.1 47.7
(59′1″) (89) (105.1) (105.1) (90.6) (105.1)
20 34.7 41.2 42.0 35.3 41.5 41.9
(65′7″) (76.4) (90.8) (92.5) (77.8) (91.4) (92.3)
22 30.1 35.3 37.2 36.2 30.8 36.0 37.2
(72′2″) (66.3) (77.8) (82) (79.8) (67.9) (79.3) (82)
24 30.7 33.4 32.4 27.1 31.3 33.4 32.3
(78′9″) (67.6) (73.6) (71.4) (59.7) (69) (73.6) (71.2)
26 25.4 30.2 29.3 28.5 27.6 30.2 29.3
(85′4″) (55.9) (66.5) (64.5) (62.8) (60.8) (66.5) (64.5)
28 27.2 26.7 25.9 25.2 24.5 27.5 26.6 25.8
(91′10″) (59.9) (58.8) (57) (55.5) (54) (60.6) (58.6) (56.8)
30 24.5 23.8 23.1 24.9 24.5 23.7 23.0
(98′5″) (54) (52.4) (50.9) (54.8) (54) (52.2) (50.7)
32 21.9 21.3 22.5 21.8 21.2
(104′12″) (48.2) (46.9) (49.6) (48) (46.7)
34 19.8 20.3 19.7
(111′7″) (43.6) (44.7) (43.4)
36 18.3
(118′1″) (40.3)
38
(124′8″)
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″)
Not including boom hook. Counterweight (85.2+5.8)×1000kg/((187.8+12.8)×1000lb) Unit:kg(lb)×1000
22 25
Load Charts of luffing jib Hook for LJ Operating condition
Length of main
boom(m) (ft)
25.5
(83′8″)
Length of luffing
jib(m) (ft)
(72′2″) (82′0″)
4.7: 8/97
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