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 18.4
(59′1″) (40.5)
20 16.9
(65′7″) (37.2)
22 15.6 13.5
(72′2″) (34.3) (29.7)
24 14.5 12.5
(78′9″) (31.9) (27.5)
26 13.6 15.2 11.7
(85′4″) (29.9) (33.5) (25.7)
28 12.6 14.2 10.9
(91′10″) (27.7) (31.3) (24)
30 11.8 13.2 10.2 11.4
(98′5″) (26) (29.1) (22.4) (25.1)
32 11.1 12.3 9.6 10.6
(104′12″) (24.4) (27.1) (21.1) (23.3)
34 10.4 11.6 12.9 8.8 10.0
(111′7″) (22.9) (25.5) (28.4) (19.4) (22)
36 9.8 10.9 12.0 8.2 9.4
(118′1″) (21.6) (24) (26.4) (18) (20.7)
38 9.3 10.2 11.3 7.7 8.6 9.8
(124′8″) (20.5) (22.4) (24.9) (16.9) (18.9) (21.6)
40 8.8 9.7 10.6 11.7 7.1 8.1 9.0
(131′3″) (19.4) (21.3) (23.3) (25.7) (15.6) (17.8) (19.8)
42 8.4 9.2 10.1 11.0 6.7 7.5 8.5
(137′10″) (18.5) (20.2) (22.2) (24.2) (14.7) (16.5) (18.7)
44 7.9 8.7 9.5 10.4 6.2 7.0 7.8
(144′4″) (17.4)
(19.1) (20.9) (22.9) (13.6) (15.4) (17.1)
46 7.5 8.2 9.0 9.8 5.8 6.5 7.3 8.2
(150′11″) (16.5) (18) (19.8) (21.6) (12.7) (14.3) (16) (18)
48 7.1 7.8 8.5 9.3 10.2 5.4 6.1 6.8 7.7
(157′6″) (15.6) (17.1) (18.7) (20.5) (22.4) (11.9) (13.4) (14.9) (16.9)
50 6.8 7.4 8.1 8.8 9.6 5.1 5.7 6.4 7.1 6.4
(164′0″) (14.9) (16.3) (17.8) (19.4) (21.1) (11.2) (12.5) (14.1) (15.6) (14.1)
52 6.5 7.0 7.7 8.4 9.1 5.3 5.9 6.7 6.1
(170′7″) (14.3) (15.4) (16.9) (18.5) (20) (11.6) (13) (14.7) (13.4)
54 7.0 7.3 8.0 8.7 8.6 5.6 6.2 5.8
(177′2″) (15.4) (16) (17.6) (19.1) (18.9) (12.3) (13.6) (12.7)
56 6.4 7.0 7.5 8.2 8.1 5.2 5.8 5.4
(183′9″) (14.1) (15.4) (16.5) (18) (17.8) (11.4) (12.7) (11.9)
58 6.7 7.2 7.9 7.7 5.5 5.2
(190′3″) (14.7) (15.8) (17.4) (16.9) (12.1) (11.4)
60 6.4 6.9 7.4 7.2 5.1 5.0
(196′10″) (14.1) (15.2) (16.3) (15.8) (11.2) (11)
62 6.6 7.1 6.8 4.8
(203′5″) (14.5) (15.6) (14.9) (10.5)
64 6.8 6.4 4.6
(209′12″) (14.9) (14.1) (10.1)
66 6.5 6.1
(216′6″) (14.3) (13.4)
68 5.8
(223′1″) (12.7)
70
(229′8″)
72
(236′3″)
Length of luffing
jib(m) (ft)
(170′7″) (180′5″)
52 55
Length of main
boom(m) (ft)
37.5
(123′0″)
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: 41/97