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Go Back   SailNet Community > On Board > Gear & Maintenance > Grease on Propeller for Anti Fouling?
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Thread: Grease on Propeller for Anti Fouling? Reply to Thread
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Topic Review (Newest First)
12-31-2013 02:07 PM
casey1999
Re: Grease on Propeller for Anti Fouling?

I got some of this:
LanoCote Prop & Bottom

Have not gotten a chance to put it on. I got a bad barnacle problem- in 3 weeks prop, strut and shaft are covered.
12-31-2013 01:23 AM
JonEisberg
Re: Grease on Propeller for Anti Fouling?

Quote:
Originally Posted by Fstbttms View Post
It looks like the Petit Zinc Barnacle Barrier spray.
I believe you're correct - to be honest, I can't recall, for certain...

I had definitely coated the strut with West epoxy and copper additive as a primer... but I think I had sprayed it with Barnacle Barrier, having also done so to the wire I ran between my keel and rudder...

In any event, I was definitely underwhelmed by the performance of Barnacle Barrier in my home waters :-)
12-30-2013 12:42 PM
Fstbttms
Re: Grease on Propeller for Anti Fouling?

Quote:
Originally Posted by outbound View Post
Jon ?what do you have on the strut?
It looks like the Petit Zinc Barnacle Barrier spray.
12-30-2013 12:26 PM
christian.hess
Re: Grease on Propeller for Anti Fouling?

I think he is reffering to the color of the strut...some sort of coating?

in any case...guys dont polish your props...really....

do you own an ofrshore racing catamaran with 1500hp worth of outboards? abdsolutely no gain doing that


in effect polsihing a prop melts the top layer of most materials

when people say machine polished or buffed down here especially on magesium, aluminum and some forms of stainless what happens is the top layer gets soo hot that it melts...this closes it all up which is good for stuff like chainplates

mirror polished is what they call it

indeed a rough porous blade is the perfect PRIMER for a simple sprayed on antifouling or nothing at all

again if you have a boat with an inboard and power cruise a lot you will notice less growth than when you only use your inboard to enter ports...

on all the boats I have had with inboards I never did anything to the prop...yes the strut or a arm etc but never the shaft or prop

why? cause you can unbalance a prop quite severely by globbing on antifouling....

youd be surprised how much vibration can come with heavy paint not just barnacles....jejeje

cheers
12-30-2013 12:15 PM
christian.hess
Re: Grease on Propeller for Anti Fouling?

Quote:
Originally Posted by aeventyr60 View Post
Better still is some thai chili powder mixed with fish sauce. As a binder we use pure 100% virgin olive oil. Rub in well with a scotch brite. This may be illegal in most jurisdictions. Please don't tell the EPA.

chili flakes and cayenne in my antifouling this halout....
12-30-2013 11:56 AM
Brewgyver
Re: Grease on Propeller for Anti Fouling?

Quote:
Originally Posted by outbound View Post
Jon ?what do you have on the strut?
Not Jon, but looks like a zinc?
12-30-2013 11:31 AM
Barquito
Re: Grease on Propeller for Anti Fouling?

Quote:
At one point there must have been 20 coats of various antifouling paint on my prop - none of which prevented the critters from attaching. One day, while on the hard, I completely cleaned every speck of paint from the prop, discovered it was bronze, then acting on a tip from a friend, I applied 3 coats of transducer paint, the same stuff that West Marine sells for about $26 for a spray can. The boat has been to the Florida Keys and back, it spent 3 months in Boot Key Harbor, where everything in the water is quickly covered with critters, and then back to the Chesapeake's upper reaches. The prop looks like I just painted it yesterday afternoon. It's clean as a whistle. It's the only thing in 60 years of boating that I found that actually works.
Would be interesting to know what the technology is in the products that actually work. Does anyone know if there have been any independent testing done on various DIY ideas?
12-30-2013 10:30 AM
outbound
Re: Grease on Propeller for Anti Fouling?

Jon ?what do you have on the strut?
12-30-2013 10:28 AM
capecodda
Re: Grease on Propeller for Anti Fouling?

Jon, I'm going to try the garbage bag next summer. Good tip!
12-30-2013 10:23 AM
aeventyr60
Re: Grease on Propeller for Anti Fouling?

Sex wax? Which one Jon? Cold water or tropics? Us warm water sailors wax up with the hard!
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