i. Cue Boom Angle and Height Data. The boom
Boom length
Angle in
Distance from
angle, height from ground, and distance from center of
in feet
degree
center of rotation
rotation are listed in table 2.
80
62
40
80
66
35
Table 2. Crane Boom Angle and Height Data
80
70
30
80
73
25
Boom length
Angle in
Distance from
90
58
50
in feet
degree
center of rotation
90
62
45
30
25
30
90
66
40
30
43
25
90
69
35
30
55
20
90
73
30
30
66
15
90
76
25
30
76
10
40
22
40
j. Weight of Material. Listed below are the weights
40
37
35
of materials per 3/4 cubic yard, in pounds, commonly
50
42
40
handled with the craneshovel.
These weights are
50
50
35
approximate and should be used only as a general guide.
50
57
30
Be sure to add the weight of the bucket to determine the
50
64
25
total load on clamshell and dragline operation. For
50
70
20
materials not listed here, refer to FM 5-35.
50
76
15
60
38
50
60
46
45
Material
60
53
40
Ash, dry ................................ .......................... 700 lb
60
58
35
Cinders................................ .............. 1,000-1,200 lb
60
63
30
Clay, compact................................ .............. 2,900 lb
60
69
25
Clay, dry lumps................................ ............ 1,700 lb
60
74
20
Coal anthracite ................................ .. 1,200-1,500 lb
60
78
15
Coke................................ ............................ 2,000 lb
70
48
50
Concrete, ready-to-pour............................... 3,000 lb
70
53
45
Earth, dry, loose ................................ .......... 2,000 lb
70
58
40
Earth, dry, packed ................................ ....... 2,500 lb
40
48
30
Earth, mud, packed ................................ ..... 8,000 lb
40
57
25
Gravel, loose, dry .............................. 2,400-2,800 lb
40
65
20
Gypsum, crushed................................ ......... 1,900 lb
40
73
15
Gravel, wet, packed............................ 2,7008,200 lb
40
77
12
Iron ore (50% iron)............................. 4,800-4,800 lb
50
20
50
Limestone, 1 1/2 to 2 in. grade.................... 4,450 lb
50
33
45
Limestone, run of crusher............................ 2,000 lb
70
63
35
Sand, dry, loose................................ . 2,400-2,800 lb
70
67
30
Sand, Wet, packed................................ ...... 8,200 lb
70
72
25
70
76
20
80
54
50
80
58
45
AGO 6819A
13
