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•
Rigid tunnel construction
•
Ring stiffeners
•
Modularized motor foundation
The standard Brunvoll
Tunnel Thruster Unit
•
Rigid tunnel construction
•
Ring stiffeners
•
Modularized motor
foundation
•
Landing bars adapted to
tank top and hull frames
•
Straight cut tunnel
extensions for trimming
at the yard
•
Extra rigid stiffeners
adapted to centre girder
With straight-cut
tunnel extension
•
Rigid tunnel construction
•
Ring stiffeners
•
Modularized motor foundation
•
Landing bars adapted to tank top
and hull frames
With landing bars to avoid
direct welding on the wall
10
Tunnel Thrusters
Standard or Customized.