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35′ Riviera Flybridge Osmosis repairs

October 27, 2010 8:28 pm - Posted by admin in AntiFouling, Jobs Underway, Marine Vessel Repairs

35′ Riviera Flybridge Cruiser Osmosis Repairs, Gold Coast Marine Centre

This vessel is an older 1989 35 foot Riviera Flybridge vessel, recently purchased from Sydney the vessel was turned back to shore shortly after beginning its trip to the Gold Coast for our repairs, taking on water with a failed prop shaft seal the vessel was lifted and placed on a truck to deliver to our possession at the Gold Coast Marine Center in Coomera for her repairs.

Repair short list:-

  • Failed prop shaft seals, both port and starboard
  • Ceased prop shaft couplings
  • New prop shafts required
  • Numerous Spot Osmosis issues
  • Re-Antifouling required
  • Prop Speed props
  • Full Machine Buff and polish
  • New anode mounting on transom + new anodes all round
  • New Transducer sender mounted on port side hull
  • New boot stripe

We started this job by removing the old antifoul by sand blasting the hull, this allowed us to get a better visual on the osmosis issues and begin repairs. Once repaired the hull was coated with with 4 coats of JOTUN JOTACOTE 605 (2 part epoxy sealer), then 2 coats of JOTUN VINYGARD 88 (vinylester epoxy primer) and finally 3 coats of JOTUN SEA GAURDIAN black antifoul. We work closely with the technical representatives of the product systems we use to ensure the best and longest lasting final finish. During this process a new Transducer sender was installed on the port side hull and a new mounting position for a larger new anode was installed on the transom as the existing anode system was lacking. Two new prop shafts, prop shaft couplings & prop shaft seals where installed along with new ruder gland seals. The props where x-rayed and coated with prop speed before being put back together. Once this was completed we applied a new boot stripe and gave the entire vessel a complete buff and polish with cleanaboat.com products.

During sea trials we noticed a large performance improvement with ~3 knot top speed improvement and improved performance through the range. Better economy also was noticed.

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