Site preparation
2-11
FV-110 ADU mast length
The below tables show the minimum dimensions for a FV-110 ADU mast with and
without stays or wires. Note that the values are only guidelines - always 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
a
a. The height of 0.4 m is not recommended to be used as it will
make access through the ADU’s service hatch difficult.
200 5 24.0
0.6 220 5 26.5
0.8 250 5 30.2
1 270 5 32.7
Table 2-2: FV-110: Mast dimensions without braces
Mast with 3 braces
Max. free
mast length
(steel), (m)
Outer
Diameter
(mm)
Wall
Thickness
(mm)
Outer
Diameter
for brace
(mm)
Thickness
for brace
(mm)
1.2 140 10 50 5.0
1.2 200 5 50 5.0
1.6 140 10 70 5.0
1.6 200 5 70 5.0
2 160 10 70 5.0
22205 705.0
2.5 180 10 80 5.0
2.5 220 5 80 5.0
Table 2-3: FV-110: Mast dimensions with 3 braces
30-40º
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