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Old 02-25-2014, 08:22 PM   #21
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This rope looks to measure 3/4" but is sold as 5/8" I don't know the reason, maybe rope is sized while tightly wound or twisted? In the picture it is lying "natural" but not untwisted. It is nylon rope "Hecho en Mexico" I believe it was $185.00 for a 600 foot spool when I bought it in Houma La. 5 years ago.
Thanks Steve that was what I was thinking.I guess though when you are sizing cleats you should go with at least as big as the rope measures or larger .This rope needs at least a 12" cleat.
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Old 02-25-2014, 08:39 PM   #22
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line size and cleat size are important...ever tie thin line around a larger cleat than normal and you watch it slip away as if it wasn't secured at all????

The old rule of thumb is that line and radius when in unison will act as follows....3 round turns and the friction should be so great the line will part before it slips...no half hitch to lock it down...that's for weekend warriors and yachties. FF's rule of thumb isn't probably off at all....

So line size and your cleats is important. I feel that if you cleat is full with the line tied with a normal cleat hitch and it's full enough to NOT take a second line...all is probably corredt...it stinks though that you need a second cleat for the second line.

Plus as Don Casey points out for BoatUS readers..the larger the line the more chafe it will endure and the less chafe will actually occur. So go with the largest line you have or want (yes at some point a shock absorber will be needed to reduce the stiffness of larger line) and cleats to match....of go with what looks normal for a boat your size and have appropriate lines and snubbers to deal with varied situations.
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Old 02-26-2014, 12:27 AM   #23
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Goodness. I did not know cleats were so finicky. It's amazing that I didn't have more boats escape than I did.

See that Dad. It wasn't my fault when the rowboat got away from the dock in June 1975; it was the improper cleat size.

How does one size line for bullrails?
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Old 02-26-2014, 06:39 AM   #24
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Goodness. I did not know cleats were so finicky. It's amazing that I didn't have more boats escape than I did.

See that Dad. It wasn't my fault when the rowboat got away from the dock in June 1975; it was the improper cleat size.

How does one size line for bullrails?
You need to use the proper "bull" ratio....

found these while researching cleat sizing....

How to Tie Your Boat to a Dock that has a Bull Rail – Part 1 | Boating Safety Tips, Tricks & Thoughts from Captnmike

How to Tie Your Boat to a Dock that has a Bull Rail

thought it basically said it really doesn't matter on line size... no matter how much "bull" is there...
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Old 02-26-2014, 06:39 AM   #25
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Old 02-26-2014, 11:05 AM   #26
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We didn't talk about such things in 08.

Spy,
Size line for bullrails? BS of course.
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Old 02-26-2014, 11:15 AM   #27
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I guess we have beat this dead horse or bull long enough . I've decided I have 3/4" line that some call it 3/4 and some call it 5/8 and I'm gonna buy all 12" cleats from FF . I'll come up with a better thread next time .
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Old 02-26-2014, 11:33 AM   #28
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If it is on the boat it is called an anchor rode on the spool it is called line or rope.

It looks to be 3/4" to me.

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Old 02-26-2014, 12:08 PM   #29
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3/4"
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Old 02-26-2014, 02:22 PM   #30
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Pack Mule, Samson Rope on the net has ratio of surface area based on rope size for sizing cleats. 3 to 1 surface area to rope size or greater is recommended. The three strand looks like 3/4" .
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Old 02-26-2014, 03:00 PM   #31
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So.....do we finally have a consenus of 3/4"???
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Old 02-26-2014, 06:19 PM   #32
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Pack Mule, can you PM all responders a 1ft length of line, and we`ll put this to bed.
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Old 02-26-2014, 06:43 PM   #33
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Pack Mule, can you PM all responders a 1ft length of line, and we`ll put this to bed.
Wait a minute Bruce.

Pack Mule, I'll be needing a 150' piece as I've just learned in another thread am doomed to lose my entire rode if I keep anchoring without a trip line.
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Old 03-01-2014, 01:44 PM   #34
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It's been said many times but one more won't hurt.


Get the BIGGEST cleat you can fit. If you go small you will be sorry. If you can FIT a 14" do it.
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Old 03-01-2014, 03:44 PM   #35
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It occurs to me that most docks and marinas don't have multiple sizes of cleats available to fit different sized lines that might be used with different boats. If the cleat is large enough (within reason), any normal line size will work.

As for the difference between 5/8" and 3/4", the line could vary that much just by being under tension.
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Old 03-01-2014, 03:54 PM   #36
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But the OP had it next to a ruler, clearly not under tension.
The big unknown is what was the temperature while the line was being measured.
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Old 03-01-2014, 04:06 PM   #37
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IMO, which doesn't normally count for much, the rounded inside edge of a cleat, helps maintain the round shape of a correctly sized rope. A flattened rope loses a lot of it's strength as not all the fibers are in tension (which is why most knots reduce a ropes strength half or more). This is fairly important to sailors who use the smallest possible line size, for a given load and all their lines are sized to the rest of their hardware. Does it really matter to us 90% of the time, nah.

So that's my WAG for today.
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Old 03-02-2014, 07:41 AM   #38
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This is fairly important to sailors who use the smallest possible line size, for a given load and all their lines are sized to the rest of their hardware. Does it really matter to us 90% of the time, nah.

Most sailor use their hands to pull on the lines , so line size is figured on what is comfortable in the hand and will still fit the sheet winch .Also sized to take the MAX load fro overpowering by being to lazy to change sails or reef.

Perhaps on a 12 ft sail boat in competition 1/4 in line might be used.

The nicest line I have ever had the pleasure of handling was LINEN , where a wet 3/4 line would lay over your hand like a kiss.
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Old 03-02-2014, 11:19 AM   #39
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What is that, Bruce, computer code? We have no idea what ypu're talking about. Can you translate to Exclusive USA Units of Measure? (EUSAUM)

Back to the OP's question, looks like a 3/4 US inch to me. But I like HopCar's answer a whole lot better.

Parks, is that wet weight or dry weight? If wet weight, salt water or fresh? What would that weight be in all other parts of the world?

Seriously, I like that 10 ft to a lb for 5/8. Good info!
In Kilos?
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Old 03-02-2014, 12:22 PM   #40
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IMO as long as the line can be tied or cleated so the line won't come off due to the smallness of the cleat it's big enough. And consideration should be given to what the largest line that would normally be used on the cleat.

Not considering cost I like a cleat that is over sized (not overly so) but made of aluminum so as not to add unnecessary weight. And of the 4 bolt type so a line w an eye can be passed through the hole in the center and looped around the ends.

PM,
I haven't got my 1' of line yet.
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