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Old 24 June 2012, 15:41   #11
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Country: UK - Scotland
Town: Stirling
Boat name: Macaw
Make: Parker 750 CC
Length: 7m +
Engine: VERADO 300XL OB
Join Date: Sep 2005
Posts: 180
I would look at modifying the bilge & pumps as it looks like you have water splashing about the engine causing the corrosion. I had a big problem with bilge water causing the same type of problems on a inboard diesel rib. I modified the floor of the engine bay making two sumps for water to collect in, it made a enormous difference.
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Old 24 June 2012, 16:09   #12
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Country: Ireland
Town: Cork
Boat name: No name
Make: Redbay 650
Length: 6m +
Engine: Suzuki OB
Join Date: Feb 2010
Posts: 89
RIBase
Thanks Callum good idea

What did you do to create the sumps, my thoughts would be to build a fibreglass wall out approx 300mm from transom and below the lowest point of the sump with drain holes at the upper side of each side which would allow the water be held between the transom and the "wall" so as to be deeper when underway to allow the pump clear out more.?

Liam
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Old 24 June 2012, 17:30   #13
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Country: UK - Scotland
Town: Stirling
Boat name: Macaw
Make: Parker 750 CC
Length: 7m +
Engine: VERADO 300XL OB
Join Date: Sep 2005
Posts: 180
Hi Liam,
I have attached a sketch of the modification I carried out. I used 50mm hard wood shaped to fit the profile of the bilge floor.
The rule automatic pump I wired to a switch so it was only used when the RIB was on the move.
All the best Callum.
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