SAFETY, OPERATORS & MAINTENANCE MANUAL
en-42
7
OPERATION
SLOPE CALCULATION CHART
Use Either of these columns but not both
The result of what you are measuring
Height ‘C’ in inches
measured with a 1 yard
horizontal edge ‘A’
Height ‘C’ in millimeters
measured with a 1 metre
horizontal edge ‘A’
Slope Angle ‘D’
measured in
Degrees
Slope Angle ‘D’
measured in
Grade%
3
4.8
8.3
100
5.7
10.0
150
8.5
15.0
6
9.5
16.7
200
11.3
20.0
7.5
11.8
20.8
225
12.7
22.5
9
250
14.0
25.0
275
15.4
27.5
10
15.5
27.8
300
16.7
30.0
11
17.0
30.6
325
18.0
32.5
12
18.4
33.3
350
19.3
35.0
13
19.9
36.1
375
20.6
37.5
14
21.3
38.9
400
21.8
40.0
15
22.6
41.7
425
23.0
42.5
16
24.0
44.4
475
25.4
47.5
18
500
26.6
50.0
20
29.1
55.6
600
31.0
60.0
25
34.8
69.4
800
38.7
80.0
30
39.8
83.3
900
42.0
90.0
36
1000
45.0
100.0
Summary of Contents for HR3300T
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