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post #21 of 35 Old 12-09-2016
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Re: Mast wedges

I pull my mast every winter for indoor storage...

I don't like the leaks and wedges and boot routine, but wondering if Spartite will hold up to regular R&R year after year or if it's just removable for your evey 5 year or so take down...

Kinda expensive if I gotta replace it every other year.
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post #22 of 35 Old 12-09-2016
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Re: Mast wedges

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Originally Posted by Squidd View Post
I pull my mast every winter for indoor storage...

I don't like the leaks and wedges and boot routine, but wondering if Spartite will hold up to regular R&R year after year or if it's just removable for your evey 5 year or so take down...

Kinda expensive if I gotta replace it every other year.
If it's done right it will last until you need to replace the mast. It specifically intended for your situation, so instead of messing around with getting the mast reset every year you can just slot it in.

Greg
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post #23 of 35 Old 12-09-2016
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Re: Mast wedges

Really.. See I thought that was a long term seal/deal where "maybe" you could pull and reuse...

I'll have read up on it again if it's a multiple year possibility...

Then it would be worth the cost for a decent seal...

Do you still need to caulk or boot the mast to waterproof...

Or does it stretch and squeeze tight enough on it's own.

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post #24 of 35 Old 12-09-2016
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Re: Mast wedges

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Really.. See I thought that was a long term seal/deal where "maybe" you could pull and reuse...

I'll have read up on it again if it's a multiple year possibility...

Then it would be worth the cost for a decent seal...

Do you still need to caulk or boot the mast to waterproof...

Or does it stretch and squeeze tight enough on it's own.
Once it cures spartite is a rigid polymer. A lot like an epoxy plug but far less brittle. Normally it's forms a pretty watertite seal on its own, and you should not put anything between the spartite and the partners (it interferes with the seat). But you still should put on a boot. If for no other reason that to protect it from UV.

Other than deciding to move the mast around I have never needed to remove a properly poured spartite plug.

Greg
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post #25 of 35 Old 12-09-2016
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Re: Mast wedges

I looked it up again... $115 at Defenders for kit 1

I had in my head $250-$280 a kit...

Must have been looking at kit 2 from mfg...or some expensive retailer...

At that price I'm definitely going to try it next spring.

Thanks for the nudge to review.

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"Captin Ron"

Last edited by Squidd; 12-09-2016 at 11:50 PM.
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post #26 of 35 Old 12-10-2016
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Re: Mast wedges

We put bead of caulk between the mast and Spartite ring. We also have a Sunbrella cover.

After the refit we have decided to sell Ainia. We want something smaller that would be could for the light summer winds of Lake Ontario, although we plan to spend at least a couple of winters in the Caribbean before heading north.
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post #27 of 35 Old 12-12-2016
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Re: Mast wedges

It seems Spartite would be a project that is screaming for a DIY alternative for the, um, parsimonious sailors out there. What about an additive to epoxy, or liquid rubber?

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post #28 of 35 Old 12-12-2016
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Re: Mast wedges

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It seems Spartite would be a project that is screaming for a DIY alternative for the, um, parsimonious sailors out there. What about an additive to epoxy, or liquid rubber?
Rubber is to soft, you want as rigid a substance as possible.

Epoxy has some issues... it is too brittle on its own so you need something to reduce brittleness, the pour is generally pretty thick so you need something that won't generate too much heat, and it needs to have a very very low shrinkage rate.

Obviously it's possible to generate something, but it would be a huge research project and likely need some testing. For the $100 for the kit I think that's a far better option.

Keep in mind that spartite shrinks about 1/1000th of an inch/inch, and while exothermic, even on a 2x2x2 pour won't exceed 105F. This is not your off the shelf epoxy.

Maybe some esoteric slow cure non-post cure stuff would work. But I think most of it has shrinkage problems.

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post #29 of 35 Old 12-12-2016
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Re: Mast wedges

We've used Devcon in one small boat.. an industrial two part rubber filler.
Devcon | acrylic, acrylic adhesive, adhesive, adhesive and sealants, adhesive applicator

In small lots I'm not sure how the price would compare to Spartite, which is more purpose-formulated.

Ron

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post #30 of 35 Old 12-13-2016
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Re: Mast wedges

Ironically, my Morgan 33 OI, which has a keel stepped mast, doesn't have any mast wedges. And, it sits perfectly in the opening, approximately 3/4-inch away from the edge of the opening, and it has never moved. Last year, I caulked the opening with clear caulk to stop the water leakage that always seems to get past the boot seals. Never had a problems with it, and if I ever have to remove the mast, I can easily cut the caulk away.

All the best,

Gary
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