Bottom paint on struts and rudders?

[streaga51]

Just purchased a 01 310 dancer last nov. Bottom has Pettit Ultima on it. Bottom only needs touch up but the struts,rudders and trim tabs also have bottom paint . On prevous boats I kept most metal parts bare. Should I remove the bottom paint from those area's?

 

[Mr Salt]

The presence of bottom paint will reduce galvanization. You don't paint zincs. I am assuming tht you keep the boat in the water so painting the struts and rudders not only keeps the marine growth off of them but reduces galvanization. If you don't keep it in the water it probably doesn't matter.

 

[Air O'Nautical]

Lets be careful,
First, Yes paint the metal...or dive and scrape often.
Next, what kind of paint do you have?
"Pettit Ultra".... no such animal.
Pettit ULTIMA maybe...(maybe ok for touch-up job)

Just make sure its not "Interlux Ultra"
A great hard paint that requires repainting before launch.

My point is if your on the hard why not just paint it now?
Wash away/soft paints need a few mils of thickness to work.

Cheers,
Mark.

 

[Larry]

I have been using with good success on the metal runing gear, the Interlux Trilux paint, it comes in an airosol but I prefer getting the quart and brushing it on. They do make a specific primer for it that I would also recomend.

 

[streaga51]

Yes, I meant Ultima. I agree to paint metal struts ect... but I thought it wasn't a good idea to use bottom paint on them because of the copper in paint.

 

[Larry]

Interlux Trilux is made to apply to metal, no copper....

 

[tobnpr]

Trilux is generally reserved for I/O and outboard lower units where copper-based antifouling would quickly dissolve the aluminum alloys they're made from.

You should use a modified epoxy on your underwater metals instead of an ablative as the ablative will quickly wash off the shafts, props and rudders. The underwater metals need to be taken down to bare metal, primed with an underwater epoxy primer, then painted. Don't skip the primer...you have dissimilar metals (copper/bronze).