![Manitowoc NBT60XL Скачать руководство пользователя страница 24](http://html.mh-extra.com/html/manitowoc/nbt60xl/nbt60xl_operators-manual_701284024.webp)
2-10
Published 11-01-2020 Control # 710-00
SAFETY PRECAUTIONS
NBT60XL OPERATOR MANUAL
Calculation of Projected Wind Area (Ap)
:
Determining Wind Drag Coefficient (Cd)
Table 2-2 shows the typical Shapes and corresponding Wind
Drag Coefficient
(
Cd
)
values.
If the exact Wind Drag Coefficient of a shape is not known,
use the maximum value of the shape’s range
(Table 2-2).
If the wind drag coefficient of the load cannot be estimated or
determined, it shall be assumed that
(
Cd
) =
2.4
.
A
p
= 24 m
2
A
p
= 8 m
2
Wind
Wind
8 m
1 m
3 m
8 m
1 m
3 m
A
p
= 250 ft
2
A
p
= 75 ft
2
Wind
Wind
25 ft
3 ft
10 ft
25 ft
3 ft
10 ft
8384-1
FIGURE 2-2
Fo
r
Reference
Only
Содержание NBT60XL
Страница 1: ...Operator Manual National Crane NBT60XL 9731 10255 F o r R e f e r e n c e O n l y ...
Страница 4: ...THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 126: ...SET UP OPERATOR MANUAL NBT60XL 4 30 Published 11 01 2020 Control 710 00 THIS PAGE BLANK F o r R e f e r e n c e O n l y ...
Страница 183: ...F o r R e f e r e n c e O n l y ...
Страница 184: ...F o r R e f e r e n c e O n l y ...