Boom angle(°)
Radius(m) (ft)
88 83 78 73 68 63 88 83 78 73 68 63
10
(32′10″)
12
(39′4″)
14
(45′11″)
16
(52′6″)
18
(59′1″)
20
(65′7″)
22 11.4 9.3
(72′2″) (25.1) (20.5)
24 10.6 8.7
(78′9″) (23.3) (19.1)
26 9.8 8.0
(85′4″) (21.6) (17.6)
28 9.1 10.1 7.4 8.3
(91′10″) (20) (22.2) (16.3) (18.2)
30 8.5 9.4 6.9 7.7
(98′5″) (18.7) (20.7) (15.2) (16.9)
32 8.0 8.8 6.4 7.1
(104′12″) (17.6) (19.4) (14.1) (15.6)
34 7.3 8.2 5.7 6.6
(111′7″) (16) (18) (12.5) (14.5)
36 6.6 7.5 8.4 5.0 5.9 6.7
(118′1″) (14.5) (16.5) (18.5) (11) (13) (14.7)
38 6.0 6.8 7.8 4.4 5.2 6.2
(124′8″) (13.2) (14.9) (17.1) (9.7) (11.4) (13.6)
40 5.4 6.2 7.1 3.8 4.6 5.5
(131′3″) (11.9) (13.6) (15.6) (8.3) (10.1) (12.1)
42 5.0 5.6 6.4 3.3 4.0 4.8
(137′10″) (11) (12.3) (14.1) (7.2) (8.8) (10.5)
44 4.5 5.2 5.8 6.7 2.8 3.5 4.2 5.1
(144′4″) (9.9) (11.4) (12.7) (14.7) (6.1) (7.7) (9.2) (11.2)
46 4.1 4.7 5.3 6.1 2.3 3.0 3.7 4.4
(150′11″) (9) (10.3) (11.6) (13.4) (5) (6.6) (8.1) (9.7)
48 3.7 4.3 4.9 5.5 1.9 2.6 3.2 3.9
(157′6″) (8.1) (9.4) (10.8) (12.1) (4.1) (5.7) (7) (8.5)
50 3.3 3.8 4.4 5.0 2.0 2.7 3.4
(164′0″) (7.2) (8.3) (9.7) (11) (4.4) (5.9) (7.4)
52 3.4 4.0 4.6 2.2 2.9
(170′7″) (7.4) (8.8) (10.1) (4.8) (6.3)
54 3.6 4.1 1.8 2.3
(177′2″) (7.9) (9) (3.9) (5)
56 3.2 3.7 1.9
(183′9″) (7) (8.1) (4.1)
58 3.3
(190′3″) (7.2)
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
58 61
Load Charts of luffing jib Hook for LJ Operating condition
Length of main
boom(m) (ft)
31.5
(103′4″)
Length of luffing
jib(m) (ft)
(190′3″) (200′2″)
4.7: 28/97
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