[Public-List] Sail track rivets on mast - SS Machine screws

[Jeffrey]

Thanks John.

Good idea on using some good with adhesion qualities.

-jeff

On Mon, Mar 26, 2012 at 1:07 PM, John Birch <Sunstone at cogeco.ca> wrote:

> We went 316 SS Machine screws on Sunstone, an A-37, Great Lakes boat. Same
> mast manufacturer, when we did a major overhaul of the rig. Used Sikkens
> 291, now called something else, but the adhesive version. Felt locktight
> might be too corrosive, TefGel being non adhesive at all. Didn't want the
> machine screws to work loose. So far, no problems - the work was done at
> Klacko Spars in Bronte Ontario back in 1997.
>
> Pulled a couple of machine screws to check, after acetoning out the holes,
> no whitish aluminum oxide present, looked like the threads had been cut
> yesterday. Then rebedded them with more Sikkens. None are loose.
>
> Haven't taken the boat offshore in the ocean yet, but given the salinity
> of the upper Chesapeake, I imaging it would be just fine.
>
> Danny Klacko recommended this approach - he does great work and knows his
> stuff.
>
> Hope this is a help
>
> John
>
>
> ----- Original Message ----- From: "Jeffrey" <alberg30nh at gmail.com>
> To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.**
> org <public-list at lists.alberg30.org>>
> Sent: Monday, March 26, 2012 12:44 PM
> Subject: [Public-List] Sail track rivets on mast
>
>
>  Hi everyone,
>>
>> I need to do something about the main sail track. I know many of the
>> rivets
>> are bad, last season we kept finding rivets heads on the deck!
>>
>> I've read through past messages in the list archives to see what others
>> have done. I can't decide between hunting down monel rivets, tapping for
>> SS
>> machine screws or just keeping replacing aluminum with aluminum.  I like
>> the idea of ss machine screws but I'm concerned about corrosion even with
>> the use of products like TefGel.
>>
>> Has there been some newly formed consensus on the subject? Anyone go the
>> machine screw route and find it became a problem due to corrosion of the
>> threads in the aluminum holes?
>>
>> -Jeff
>>
>> Jeff Fongemie
>> #116 Seagrass
>>
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-- 
Jeffrey Fongemie

 1332781880.0