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Old 30-05-2013, 19:29   #1
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Chain Stopper block ideas?

I'm about to install a chain stopper to help keep the load off the windlass when raising the anchor. I'll be using some of Maine Sail's advice for epoxying the cored deck and the through deck screws. What I need some suggestions on is the above deck block I will mount the chain stopper on. In order to have the chain be fair through the stopper I need a block 3 inches high. Not sure what I should make it out of. Marine Ply epoxied and painted? Starboard? Some easily available hardwood. Any thoughts on what to use?
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Old 30-05-2013, 20:17   #2
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Re: Chain Stopper block ideas?

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Originally Posted by mbianka View Post
I'm about to install a chain stopper to help keep the load off the windlass when raising the anchor. I'll be using some of Maine Sail's advice for epoxying the cored deck and the through deck screws. What I need some suggestions on is the above deck block I will mount the chain stopper on. In order to have the chain be fair through the stopper I need a block 3 inches high. Not sure what I should make it out of. Marine Ply epoxied and painted? Starboard? Some easily available hardwood. Any thoughts on what to use?
Quite cheaply you could have a platform made of aluminum for this purpose by a local machine shop. Less than $20 I should think.
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Old 30-05-2013, 20:28   #3
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Re: Chain Stopper block ideas?

Use Plastic and I think a machine shop would charge more than $20. What is that, about 15 minutes of labor? It takes that much of their time to even describe what you want. You should not assume that some guy is just waiting for your $20 project.
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Old 30-05-2013, 20:42   #4
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Re: Chain Stopper block ideas?

I used Phenolic.
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Old 30-05-2013, 20:47   #5
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Re: Chain Stopper block ideas?

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I used Phenolic.
Is it easy to drill?
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Old 30-05-2013, 20:53   #6
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Re: Chain Stopper block ideas?

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I used Phenolic.
Is Phenolic really the oldest plastic and is it really made from rotten Goat milk and fabric?
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Old 30-05-2013, 20:55   #7
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Re: Chain Stopper block ideas?

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Is it easy to drill?
Drills fine . . . . Carbide bit, slow RPM . . . . smells terrible. I would want a drill press to get 3" holes straight . I am told the pro's would use a carbide burr bit.
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Old 30-05-2013, 20:56   #8
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Re: Chain Stopper block ideas?

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Use Plastic and I think a machine shop would charge more than $20. What is that, about 15 minutes of labor? It takes that much of their time to even describe what you want. You should not assume that some guy is just waiting for your $20 project.
Using a Beverly shear to cut 5 pieces of flat plate aluminum will take about 5 minutes. Welding it, 5 more. All out of scrap. True, I am sure you can find someone to charge whatever you're willing to pay, but this is not exactly building the Space Shuttle.

Or maybe I am just spoiled by having Petrzelka Brothers machine shop just down the road.
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Old 30-05-2013, 20:59   #9
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Re: Chain Stopper block ideas?

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Is Phenolic really the oldest plastic and is it really made from rotten Goat milk and fabric?


yea to all that, but it also lasts basically forever.

If you want the latest best you can pay a lot more and get G10, but I don't think it would add anything at all to this application.
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Old 30-05-2013, 21:00   #10
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Re: Chain Stopper block ideas?

I weld all the time and you cannot tig weld 5 pieces of metal in 5 minutes. Your friends are giving you a good deal.
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Old 30-05-2013, 21:07   #11
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Re: Chain Stopper block ideas?

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Using a Beverly shear to cut 5 pieces of flat plate aluminum will take about 5 minutes. Welding it, 5 more. All out of scrap. True, I am sure you can find someone to charge whatever you're willing to pay, but this is not exactly building the Space Shuttle.

Or maybe I am just spoiled by having Petrzelka Brothers machine shop just down the road.
Hmmm. I've got some 1/2" aluminum pieces might be able cut and stack them. Welding them that would be a problem. Around me machine shops are getting harder and harder to find. Went to one shop a few years ago for something. Said he only works with round stock.
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Old 30-05-2013, 21:17   #12
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Re: Chain Stopper block ideas?

There's no question in my mind that I would use a piece of hardwood. It won't corrode, you can cut it to size easily, drill it easily, and it doesn't need to be welded.
I'm a metal guy. I'd still use wood.
I think some of you guys are building a space ship to keep your chickens in.
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Old 30-05-2013, 21:34   #13
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Re: Chain Stopper block ideas?

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There's no question in my mind that I would use a piece of hardwood. It won't corrode, you can cut it to size easily, drill it easily, and it doesn't need to be welded.
I'm a metal guy. I'd still use wood.
I think some of you guys are building a space ship to keep your chickens in.
I like that idea. Tomorrow I cut the holes in the deck (I hate that) and do the epoxy work. Then just need to find and fit the block.
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Old 30-05-2013, 21:38   #14
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Re: Chain Stopper block ideas?

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There's no question in my mind that I would use a piece of hardwood. It won't corrode, you can cut it to size easily, drill it easily, and it doesn't need to be welded.
I'm a metal guy. I'd still use wood.
I think some of you guys are building a space ship to keep your chickens in.
Bit more work, but yes, a nice beveled 3" x 6" block of hardwood would do the job.
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Old 31-05-2013, 07:59   #15
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Re: Chain Stopper block ideas?

Maybe think about a different idea for a chain stop? We use a chain hook attached to a centerline cleat on the bow with a short length of dyneema. If you have a close-by cleat or other reinforced hard point, the whole shebang only costs a few bucks and is installed in minutes.

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