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 Post subject: Corrosion
PostPosted: Sat Nov 29, 2014 12:44 am 
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Site Rank - Captain

Joined: Thu Nov 27, 2014 4:21 am
Posts: 25
Location: The Netherlands
Is there a solution to repair this?
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 Post subject: Re: Corrosion
PostPosted: Sun Nov 30, 2014 5:32 pm 
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Hobie Approved Guru

Joined: Mon Jul 14, 2003 7:11 pm
Posts: 5173
Location: Detroit, MI
WTF? That looks like a lighting strike. Is that a European all-aluminum mast?

Short answer is no - but damage like that is probably cosmetic.


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 Post subject: Re: Corrosion
PostPosted: Sun Nov 30, 2014 10:57 pm 
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Joined: Thu Nov 27, 2014 4:21 am
Posts: 25
Location: The Netherlands
It is a combitip mast.


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 Post subject: Re: Corrosion
PostPosted: Mon Dec 01, 2014 3:49 am 
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Site Rank - Old Salt

Joined: Mon May 09, 2005 10:25 am
Posts: 3680
Location: Jersey Shore
I would grind out/knock off any loose corrosion and then mix up a batch of thickened epoxy resin or marine tex and fill it in. Wrap a piece of packing tape over it to force the epoxy to contour to the mast. At least that way it is sealed to prevent exposure to salt water. I would also pull off the mast tang to make sure the mast looks clean under the tang.

It might even be worth pulling off the comptip and inspecting from the inside. I wonder if salt water migrated in between the comptip/aluminum mast joint and caused it to corrode from the inside out. If that is the case, there could be additional unseen damage on the inside of the mast.

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 Post subject: Re: Corrosion
PostPosted: Tue Dec 02, 2014 2:05 am 
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Joined: Thu Apr 19, 2012 12:15 am
Posts: 104
Location: Kaneohe, Hawaii
I just had one like that but it started from the inside right where the foam waterstop is located (yes it went all the way thru the mast so I could see the foam).
I cleaned it out and used JB weld to "fill" the hole. stronger and closer to the mast color than marine tex.

I'm just getting started on repairing an old 17 someone gave me.


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 Post subject: Re: Corrosion
PostPosted: Tue Dec 16, 2014 6:31 pm 
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Joined: Sat Nov 07, 2009 10:52 pm
Posts: 110
If the damage is also further down the (inside) of the mast it might be helpful to use another mast fitting. I think the H16 has extrat fixing points that help with the jib loads.

I'm still sitting on a perfectly good H17 mast & tip. The trouble is shipping costs from Oz to US is just too high to make sense.


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 Post subject: Re: Corrosion
PostPosted: Wed Dec 17, 2014 1:14 am 
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Joined: Thu Nov 27, 2014 4:21 am
Posts: 25
Location: The Netherlands
To the Netherlands would be even more expensive.......


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