Bow Thruster · Bow/Stern Thrusters
The Brunvoll FU-115 tunnel thruster works on a principle that harnesses high power for efficient underwater propulsion. Designed by Kongsberg Maritime, it features a 2000 kW output and an impressive tunnel diameter of 2800 mm. Regular inspections should focus on the propeller blades, which can suffer from wear, cracks, deformation, or biofouling; check their surfaces visually for damages and ensure the O-ring seals are intact. The propeller well’s sealing is another critical area to scrutinize—look out for leaks and monitor the seal gap pressure. Additionally, inspect the hydraulic fluid for contamination, moisture, or aging, ensuring it remains clear and within specified limits. Any signs of leakage in the hydraulic lines must be addressed promptly, as they can lead to performance issues. Regular maintenance is crucial to prevent failures and ensure optimal operation.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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