Protect aluminium tiller straps??? - SailNet Community
 
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post #1 of 7 Old 05-01-2009 Thread Starter
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Protect aluminium tiller straps???

I have totally refinished my stern mounted rudder and cleaned up the hardware that attches the tiller to the rudder. I have these two 1 inch by 3/8 aluminium straps that bind the tiller to the rudder.
How should these be finished? They didn't appear to have any finish on them to begin with but had remnants of varnish and old paint here and there. Now they are bare aluminium. Will it be ok to just use them as is, or do they need to painted or anodized? Since the tiller pivots up and down the inner surface should not be painted as it will surely wear away.

Any thoughts?

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post #2 of 7 Old 05-01-2009
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Anodized, the same as masts and booms and stuff.

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post #3 of 7 Old 05-01-2009
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If the alum. parts are rubbing against another surface, anything you do will wear off over time - even anodizing. Anodizing is certainly the best alternative but the most expensive as well. Paint or metal polish will work too but will need to be redone periodically (polish more often than paint). You may also want to get some tape like Dynaglide Teflon or UHMW Tape for the friction areas - unless that will make the surfaces too slick. One of those types of tape, along with anodizing would be the most bullet-proof.
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post #4 of 7 Old 05-01-2009
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Do you have photos of the straps??? Are the straps located under water??

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Quote:
Originally Posted by sailingdog View Post
Do you have photos of the straps??? Are the straps located under water??

Yup! got picture Nope! Not under water

They are the lighter straps that secure the tiller to the rudder. Not to be confused with the stailess steel pintels/straps below them. I'd like to just paint them, but I don't know how they would look painted.

IMG_3475e.jpg photo - Don Haller photos at pbase.com

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post #6 of 7 Old 05-01-2009
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Don—

If the other metal is stainless steel, IMHO, you'd be better off getting the straps made of stainless. Aluminum has two problems when used on a boat. First, it reacts to more noble metals, like stainless steel, especially if it is often wet, which is probably the case with the tiller. Second, it fatigues far more readily than does stainless steel.

If you're going to go with the aluminum... make sure you use some sort of galvanic isolation compound on the bolts at least. TefGel, Lanocote, even loctite will work.

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post #7 of 7 Old 05-01-2009
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I'm with the Dog.

Just remake them in stainless and solve all you problems at once.

Rick
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