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Old 30-09-2023, 03:52   #616
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

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Originally Posted by Benz View Post
With that many hitches, it's already not going anywhere. I wind up with a long tail I hate to cut, so I usually just make hitches till I run out of line. But half a dozen hitches is more than enough for strength.
Ok, great!

Itís pretty unanimous that the hitches are enough which is good to hear.
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Old 02-10-2023, 08:53   #617
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

Another very good reason to put the mast step in the proper place came to me while removing some core around the new/proper mast step bolt holes, as I nearly broke my wrist from drill torque. Lolol.

The high density core.

Below the proper place where the “rigger” didn’t put my mast step is not only the focal point of a complex arrangement of glass fanning the load out across the whole boat, but there is also some crazy high density foam I have in the core there to stand up to the pressure.

Luckily I used a very stout Allen wrench for the core removal.m
Incidentally, the glass is also more than 1/4” thick there.
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Old 02-10-2023, 11:14   #618
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

Settle this:

Butyl tape or 5200 under mast step?


Iíve used butyl all over the boat with complete success, even on cleats where just a pair of them has held leak free for 3 category 3+ hurricanes and Ian where the boat saw 120mph sustained winds for a bit.

Cleats waterproofed with butyl donít leak

Is there any reason at all I need 5200 under my mast step?

Cleats are a pull, mast step is a compression
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Old 02-10-2023, 11:50   #619
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

I don't know, I've removed hundreds of mast steps and I've always found the white stuff, never butyl tape, but that doesn't mean anything, how many bolts ?

One advantage that 5200 has is that it glues the mast step to the deck, making it almost invulnerable to shifting if 1 or 2 bolts come loose, which is quite unlikely, I would go for 5200 here, and I love butyl tape.
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Old 02-10-2023, 12:31   #620
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

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I don't know, I've removed hundreds of mast steps and I've always found the white stuff, never butyl tape, but that doesn't mean anything, how many bolts ?

One advantage that 5200 has is that it glues the mast step to the deck, making it almost invulnerable to shifting if 1 or 2 bolts come loose, which is quite unlikely, I would go for 5200 here, and I love butyl tape.
Damn. Not what I was hoping to read. But I knew the answer about it being sticky like that.

I think it’s more than highly unlikely that the bolts could come loose considering I use Nylok on everything. Plus it has some pretension. It’s not like the mast step can rattle around.

My Mast is probably going up tomorrow. Maybe the next day. I don’t have a week for 5200 to cure. That’s one of the other issues.

It’s not going to have time to form a gasket that you then tighten down on. The 5200 will squeeze out and then it’ll leak.

Tough decision.

Might have been best to use 5200 if I did it a week ago. I agree. But now what?
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Old 02-10-2023, 13:11   #621
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

You donít need an adhesive, I recommend a bedding compound. I once removed my bow chainplate/anchor sprit construction which is a massive stainless steel construction with a large surface that is on the deck with sealant. I thought I was in for a fight to get it off but it was easy and apart from the most outer 1/4Ē the rest was all still a paste like new sealant. This was 3M101 which is a polysulfide and not sold anymore.

But Boatlife sells LifeCaulk and this is the same polysulfide so this is what I would use.

Quote:
Description

A long lasting, permanently flexible marine polysulfide sealant which can be sanded, painted***, and used above and below the waterline. Tack-free in 1 to 3 days, excellent resistance to teak oils, gasoline, and diesel fuel. Ideal for teak decks, to bed deck and hull hardware, seal thru-hull fittings, and underwater seams. Will bond to fiberglass, wood, metal, glass, and itself. Cures to a firm flexible rubber seal with excellent waterproofing and adhesion qualities. Can be applied underwater for emergency repairs. Can be applied to damp surfaces.
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Old 02-10-2023, 13:56   #622
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

Couldn't you use 4200 or 5200 fast cure that sets up much faster? Not quite as strong an adhesive bond, but that shouldn't be an issue in this application.
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Old 02-10-2023, 13:57   #623
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

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Couldn't you use 4200 or 5200 fast cure that sets up much faster? Not quite as strong an adhesive bond, but that shouldn't be an issue in this application.
I’ll see if I have any that isn’t hard.

Might only have 5200 regular/blue

It’s also a matter of what I have on hand. It’s not like I’m anywhere that I can buy any of this stuff. And I have to put it on today or tomorrow morning worst case.

I think the fast cure is a few days still though. And the mast goes up tomorrow or the next day. So it won’t really work actually. Nothing will work that doesn’t set up within hours. It will all leak as it gets compressed by the mast I’m thinking.

Edit: all regular 5200s, dow 795 (possibly bricked), polyurethane adhesives and butyl tape.

I’ll take a pic
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Old 02-10-2023, 14:08   #624
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

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................


It will all leak as it gets compressed by the mast Iím thinking.

.................

Iíll take a pic



Go back to what you are trying to accomplish: water tightness NOT adhesion


Butyl is superb for compression to keep water out. But you know this already. Maine Sail who sells the good butyl tape calls 5200 Satan's Glue for a good reason. And this ain't a good application for it either.
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Old 02-10-2023, 14:09   #625
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

From the wine cellar, I have these vintages available, assuming none has turned to a brick. I think Dow795 has.

In addition to these, I have butyl tape
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Old 02-10-2023, 14:10   #626
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

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Go back to what you are trying to accomplish: water tightness NOT adhesion


Butyl is superb for compression to keep water out. But you know this already. Maine Sail who sells the good butyl tape calls 5200 Satan's Glue for a good reason. And this ain't a good application for it either.
That is exactly what I thought from the start. I agree with you.

But, popular opinion seems to be against me on this one. So I’m trying to consider what everyone is saying.

My cleats say it all. Hurricanes. 120 mile an hour sustained winds from Ian pulling on them. No leaks. Butyl.

But popular opinion is for the goo for some reason.
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Old 02-10-2023, 14:27   #627
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

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That is exactly what I thought from the start. I agree with you.

...............................

But popular opinion is for the goo for some reason.



Then wait a few hours, I'll go get some friends to post for butyl and that'd help you, right?
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Old 02-10-2023, 16:23   #628
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

I don't see a reason why butyl won't work as long as mast compression over time won't squish it out too much. You may want a slight counter sink around the bolts under the step for that reason.
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Old 02-10-2023, 17:53   #629
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

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Then wait a few hours, I'll go get some friends to post for butyl and that'd help you, right?
Yeah, whereís the butyl bunch?

They are getting a serious beating from the goo gang here.
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Old 02-10-2023, 17:54   #630
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Re: Chotuís Advanced Standing Rigging Thread (lots of pics)

I would go for butyl, but Iíd also throw that silicone as far away from the boat that I could. [emoji4]
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