HIGH SPEED FERRY PROPELLER CAVITATION DAMAGE REPAIR

KHIA ID: 8145
Industry: Marine (MRNE)
Application: VPF-Valves, Pipes and Fittings (VPF)
Substrate: Bronze
Customer Location: Tuzla, ISTANBUL, TURKEY
Application Date: April 2019
Products:

Belzona 1311 (Ceramic R-Metal)

Belzona 9111 (Cleaner & Degreaser)

Problem: Cavitation damage on ferry propellers causing lower hydrodynamic efficiency and less propulsion capabilities.
Photograph Descriptions
  1. Cavitation damage on the propeller. 
  2. After surface preparation. 
  3. Application Belzona 1311 (Ceramic R-Metal). 
  4. The surface faired after Belzona application.
Application Situation
Cavitation damage on both propellers of high speed ferry. The damage is more intense on the blade leading edges. The damaged propellers causing ferry two operate with some vibration and less hydrodynamic efficiency.
Application Method
Application was carried out in accordance with Belzona Know-How System Leaflet SOS-01. Propeller surface blasted in blasting cabin. Surface was cleaned with Belzona 9111 (Cleaner & Degreaser) after blasting. Immediately following surface preparation Belzona 1311 (Ceramic R-Metal) is applied on the surface. After the product is cured, the surface was grinded and faired to achieve smooth surface.
Belzona Facts
Propeller replacement would be very costly too time consuming. Low cost and parmanent solution with Belzona.
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