Boom angle(°)
Radius(m) (ft)
88 83 78 73 68 63 88 83 78 73 68 63
12
(39′4″)
14
(45′11″)
16
(52′6″)
18
(59′1″)
20 17.0
(65′7″) (37.4)
22 15.7 13.6
(72′2″) (34.6) (29.9)
24 14.6 12.6
(78′9″) (32.1) (27.7)
26 13.6 11.7
(85′4″) (29.9) (25.7)
28 12.6 14.5 10.9
(91′10″) (27.7) (31.9) (24)
30 11.8 13.5 10.2 11.7
(98′5″) (26) (29.7) (22.4) (25.7)
32 11.1 12.6 9.6 10.9
(104′12″) (24.4) (27.7) (21.1) (24)
34 10.5 11.8 8.9 10.2
(111′7″) (23.1) (26) (19.6) (22.4)
36 9.9 11.1 12.5 8.3 9.6
(118′1″) (21.8) (24.4) (27.5) (18.2) (21.1)
38 9.3 10.4 11.7 7.7 8.8
(124′8″) (20.5) (22.9) (25.7) (16.9) (19.4)
40 8.8 9.8 11.0 7.1 8.2 9.5
(131′3″) (19.4) (21.6) (24.2) (15.6) (18) (20.9)
42 8.4 9.3 10.4 11.6 6.7 7.7 8.8
(137′10″) (18.5) (20.5) (22.9) (25.5) (14.7) (16.9) (19.4)
44 8.0 8.8 9.8 10.9 6.3 7.1 8.2
(144′4″) (17.6) (19.4) (21.6) (24) (13.8) (15.6) (18)
46 7.5 8.4 9.3 10.3 5.8 6.7 7.7
(150′11″) (16.5) (18.5) (20.5) (22.7) (12.7) (14.7) (16.9)
48 7.1 8.0 8.8 9.8 5.4 6.2 7.1 8.2
(157′6″) (15.6) (17.6) (19.4) (21.6) (11.9) (13.6) (15.6) (18)
50 6.8 7.5 8.4 9.2 9.6 5.1 5.8 6.7 7.5
(164′0″) (14.9) (16.5) (18.5) (20.2) (21.1) (11.2) (12.7) (14.7) (16.5)
52 6.5 7.1 7.9 8.8 9.0 5.4 6.2 7.1 6.0
(170′7″) (14.3) (15.6) (17.4) (19.4) (19.8) (11.9) (13.6) (15.6) (13.2)
54 6.2 6.8 7.5 8.3 8.6 5.1 5.8 6.6 5.7
(177′2″) (13.6) (14.9) (16.5) (18.2) (18.9) (11.2) (12.7) (14.5) (12.5)
56 6.5 7.1 7.9 8.1 5.4 6.1 5.4
(183′9″) (14.3) (15.6) (17.4) (17.8) (11.9) (13.4) (11.9)
58 6.8 7.5 7.7 6.5 5.0 5.8 5.1
(190′3″) (14.9) (16.5) (16.9) (14.3) (11) (12.7) (11.2)
60 6.5 7.1 7.1 6.1 5.3 4.8
(196′10″) (14.3) (15.6) (15.6) (13.4) (11.6) (10.5)
62 6.8 6.8 5.8 5.0 4.6
(203′5″) (14.9) (14.9) (12.7) (11) (10.1)
64 6.5 6.4 5.5 4.3
(209′12″) (14.3) (14.1) (12.1) (9.4)
66 6.1 5.1 4.1
(216′6″) (13.4) (11.2) (9)
68 5.8 4.9 3.9
(223′1″) (12.7) (10.8) (8.5)
70 4.6
(229′8″) (10.1)
72 4.4
(236′3″) (9.7)
Not including boom hook. Counterweight (85.2+5.8)×1000kg/((187.8+12.8)×1000lb) Unit:kg(lb)×1000
52 55
Load Charts of luffing jib Hook for LJ Operating condition
Length of main
boom(m) (ft)
43.5
(142′9″)
Length of luffing
jib(m) (ft)
(170′7″) (180′5″)
4.7: 55/97
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