3/8" vs 7/16" staset - SailNet Community
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3/8" vs 7/16" staset

I customer brought in some new 3/8" stayset double braid.

I could not get a spliced loop to finish properly.

Really a puzzle, just would not milk up to the finish.

Checked the invoice 3/8" but it did feel a tiny bit fatter than an old piece of 3/8" I had laying around.

I have one of those plastic rigging gauges.

The older line has three strands per bundle and even though it is unused it is stiffer.
The new line is two strands per bundle and softer.
it is so soft that it looks like it would fit in the 3/8" rigging gauge slot.

After messing with it for too long I decided it was 7/16". Tried a spliced loop with the 7/16" fid and it worked the first time.

I was unaware that the two sizes are so hard to distinguish.

Have you ever seen this? The difference in hand between the two lines is noticiable also. Both stayset from WM but maybe a couple of years apart.

The lesson from the Icarus story is not about human failing.
It is a lesson about the limitations of wax as an adhesive.
If you have an engineering problem solve it.
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Re: 3/8" vs 7/16" staset

I got some new information.

I took the line back to WM and apparently my customer bought nylon dock line. It is double braid line but solid white with no color stripe.

The right line is double braid stay set and even the white line has a single red thread in the cover and is made from polyester.

The dock line is definitely softer and stretches more. It was labeled as 3/8" but it seems bigger than that and I was only able to splice it using a 7/16 fid. I'm pretty sure this line is manufactured to a millimeter spec and they just label it with the closest imperial size for our market. The difference between 3/8 and 7/16 line is only one millimeter so it is not that obvious to those of use who don't' handle the stuff every day.


As a funny side note, the WM manager said my splice looked good and wanted to know if I would splice for customers.

I said sure why not.

The lesson from the Icarus story is not about human failing.
It is a lesson about the limitations of wax as an adhesive.
If you have an engineering problem solve it.

Last edited by davidpm; 1 Week Ago at 11:40 PM.
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Re: 3/8" vs 7/16" staset

How did your customer feel about being given nylon when they ordered poly!?
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Re: 3/8" vs 7/16" staset

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Originally Posted by jeremiahblatz3 View Post
How did your customer feel about being given nylon when they ordered poly!?
He is the most easy-going guy I've ever dealt with.

To him, everything is a learning experience.

He just went back and swapped out the line.

He wasn't surprised that he got the wrong thing as the kid helping him was not knowledgeable.

I had told him to buy stayset double-braid but all he heard was double-braid.

I learned something myself as I only buy stayset or amsteel. I wasn't familiar with the physical feel of the nylon double-braid so didn't recognize it when he brought it over.

Actually I am familiar with double-braid nylon because I often buy pre-made lines.

In this case, it just didn't click as the new line is so much softer than old lines like I have.
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The lesson from the Icarus story is not about human failing.
It is a lesson about the limitations of wax as an adhesive.
If you have an engineering problem solve it.
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