Boom angle(°)
Radius(m) (ft)
88 83 78 73 68 63 88 83 78 73 68 63
9.8
(32′2″)
10
(32′10″)
12
(39′4″)
14
(45′11″)
16
(52′6″)
18 18.1
(59′1″) (39.9)
20 16.6 14.4
(65′7″) (36.5) (31.7)
22 15.4 13.4
(72′2″) (33.9) (29.5)
24 14.4 15.4 12.4
(78′9″) (31.7) (33.9) (27.3)
26 13.4 14.3 11.6
(85′4″) (29.5) (31.5) (25.5)
28 12.5 13.4 10.8 11.6
(91′10″) (27.5) (29.5) (23.8) (25.5)
30 11.7 12.5 13.4 10.1 10.8
(98′5″) (25.7) (27.5) (29.5) (22.2) (23.8)
32 11.0 11.7 12.4 12.0 9.5 10.1
(104′12″) (24.2) (25.7) (27.3) (26.4) (20.9) (22.2)
34 10.4 11.0 11.7 8.8 9.5 10.1
(111′7″) (22.9) (24.2) (25.7) (19.4) (20.9) (22.2)
36 9.8 10.4 11.0 11.7 8.2 8.8 9.5
(118′1″) (21.6) (22.9) (24.2) (25.7) (18) (19.4) (20.9)
38 9.3 9.8 10.4 11.0 7.6 8.2 8.8
(124′8″) (20.5) (21.6) (22.9) (24.2) (16.7) (18) (19.4)
40 8.8 9.3 9.8 10.4 7.1 7.6 8.2
(131′3″)
(19.4) (20.5) (21.6) (22.9) (15.6) (16.7) (18)
42 8.3 8.8 9.3 9.8 10.3 6.6 7.1 7.6 8.2
(137′10″) (18.2) (19.4) (20.5) (21.6) (22.7) (14.5) (15.6) (16.7) (18)
44 7.9 8.4 8.8 9.3 9.8 6.2 6.7 7.1 7.6
(144′4″) (17.4) (18.5) (19.4) (20.5) (21.6) (13.6) (14.7) (15.6) (16.7)
46 7.2 8.0 8.4 8.8 9.3 5.6 6.2 6.7 7.1 6.2
(150′11″) (15.8) (17.6) (18.5) (19.4) (20.5) (12.3) (13.6) (14.7) (15.6) (13.6)
48 7.1 7.5 8.0 8.4 8.8 9.2 5.4 5.8 6.2 6.6 5.8
(157′6″) (15.6) (16.5) (17.6) (18.5) (19.4) (20.2) (11.9) (12.7) (13.6) (14.5) (12.7)
50 6.8 7.1 7.5 8.0 8.4 8.8 5.0 5.4 5.8 6.2 5.6
(164′0″) (14.9) (15.6) (16.5) (17.6) (18.5) (19.4) (11) (11.9) (12.7) (13.6) (12.3)
52 6.5 6.8 7.2 7.5 8.0 8.4 5.0 5.4 5.8 5.3
(170′7″) (14.3) (14.9) (15.8) (16.5) (17.6) (18.5) (11) (11.9) (12.7) (11.6)
54 6.6 6.9 7.2 7.5 8.0 5.0 5.4 5.0
(177′2″) (14.5) (15.2) (15.8) (16.5) (17.6) (11) (11.9) (11)
56 6.6 6.9 7.2 7.5 5.1 4.8
(183′9″) (14.5) (15.2) (15.8) (16.5) (11.2) (10.5)
58 6.6 6.9 7.2 4.1 4.6
(190′3″) (14.5) (15.2) (15.8) (9) (10.1)
60 6.6 6.9 4.2
(196′10″) (14.5) (15.2) (9.2)
62 6.7
(203′5″) (14.7)
64
(209′12″)
66
(216′6″)
68
(223′1″)
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)
22.5
(73′10″)
Length of luffing
jib(m) (ft)
(170′7″) (180′5″)
4.7: 6/97