Site considerations
98-175666-C
Chapter 2: Installation
2-12
consider the environment and characteristics of the ship before deciding on the mast
dimensions.
Mast
without
braces
Max. free mast
length (steel), (m)
Outer
Diameter
(mm)
Wall
Thickness
(mm)
Weight
(kg/m)
0.4
90
5
10.8
0.6
116
5
13.9
0.8
142
5
17.0
1
168
5
20.2
1.2
194
5
23.3
1.4
220
5
26.4
Table 2-6: Mast dimensions without braces (S600 antenna)
Mast with 3 braces
Max. free
mast length
(steel), (m)
Outer
Diameter
(mm)
Wall
Thickness
(mm)
Outer
Diameter
for brace
(mm)
Thicknes
s for
brace
(mm)
Brace
connection
point from
top of mast
(m)
1.5
80
5
30
5.0
0.2
2.0
115
5
50
5.0
0.4
2.5
150
5
65
5.0
0.6
3.0
185
5
80
5.0
0.8
3.5
220
5
100
5.0
1.0
Table 2-7: Mast dimensions with 3 braces (S600 antenna)
30-40°
