BELZONA PROTECTS FAST FERRY BOW THRUSTERS FROM CAVITATION
Industry: Marine (MRNE)
Application: SOS-Ships and Offshore Structures (SOS)
Customer Location: Scandinavian Fast Ferry operator
Application Date: January 2002
Belzona® 1111 (Super Metal) Belzona® 2141 (ACR-Fluid Elastomer)
Problem: Cavitation problems had manifested themselves in the Port and Starboard Bow Thruster Tunnels. Annual repairs had been attempted with glass flake coatings and Belzona® 1341, but none had been ideal allowing metal loss to continue in the tunnel.
Localized damage to Belzona® 1341 (Port) Extensive damage to Glass Flake lining (Starboard) Belzona® 2141 (Portside) Inspection after 5 years service
Bow Thrusters from a 900 Passenger High Speed Service Ferry capable of 38 knots.
Following removal of the existing coatings Belzona® 2141 was applied in accordance with a modified version of SOS-1 and SOS-2.
Subsequent annual inspections have shown the Belzona® 2141 to provide outstanding cavitation protection. After nine (9) years in service the Belzona 2141 remains in excellent condition apart from a few mm² of mechanical damage. The client is extremely pleased with the application which has allowed them to extend the annual docking cycle to a bi-annual one