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 62.6 62.6
(39′4″) (138) (138)
14 56.2 56.2
(45′11″) (123.8) (123.8)
16 48.6 54.9 48.8
(52′6″) (107.1) (121) (107.5)
18 41.0 48.3 41.1 48.3
(59′1″) (90.3) (106.4) (90.6) (106.4)
20 35.2 41.1 42.2 35.4 41.5
(65′7″) (77.6) (90.6) (93) (78) (91.4)
22 30.8 35.4 37.4 30.9 35.7 37.2
(72′2″) (67.9) (78) (82.4) (68.1) (78.7) (82)
24 27.2 30.9 33.5 32.8 27.3 31.2 33.4
(78′9″) (59.9) (68.1) (73.8) (72.3) (60.1) (68.7) (73.6)
26 24.2 27.3 30.3 29.6 24.4 27.6 30.2 29.5
(85′4″) (53.3) (60.1) (66.7) (65.2) (53.7) (60.8) (66.5) (65)
28 21.7 24.0 27.2 26.9 26.0 21.9 24.7 27.3 26.8
(91′10″) (47.8) (52.9) (59.9) (59.3) (57.3) (48.2) (54.4) (60.1) (59)
30 19.7 22.0 24.2 24.7 24.0 19.9 22.2 24.4 24.7 23.9
(98′5″) (43.4) (48.5) (53.3) (54.4) (52.9) (43.8) (48.9) (53.7) (54.4) (52.6)
32 19.8 21.6 22.8 22.2 21.3 16.7 20.1 21.9 22.7 22.0
(104′12″) (43.6) (47.6) (50.2) (48.9) (46.9) (36.8) (44.3) (48.2) (50) (48.5)
34 19.6 21.0 20.6 20.1 17.6 19.9 21.1 20.4 20.0
(111′7″) (43.2) (46.2) (45.4) (44.3) (38.8) (43.8) (46.5) (44.9) (44)
36 19.4 19.2 18.7 18.1 19.6 19.0 18.6
(118′1″) (42.7) (42.3) (41.2) (39.9) (43.2) (41.8) (41)
38 17.9 17.4 18.3 17.7 17.3
(124′8″) (39.4) (38.3) (40.3) (39) (38.1)
40 16.2 16.6 16.2
(131′3″)
(35.7) (36.5)
(35.7)
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″)
28 31
Load Charts of luffing jib Hook for LJ Operating condition
Not including boom hook. Counterweight (85.2+5.8)×1000kg/((187.8+12.8)×1000lb) Unit:kg(lb)×1000
Length of main
boom(m) (ft)
22.5
(73′10″)
Length of luffing
jib(m) (ft) (91′10″) (101′8″)
4.7: 2/97
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