Here's a snippet from what I believe to be a long overdue investigation into the misleading claims made by line manufacturers. What the outcome will be remains to be seen of course but it may be to the advantage of the average angler -

"TRADING Standards in the UK have started investigating the labelling of fishing lines – with offenders facing potential prosecution. The organisation, which incorporates weights and measures into its remit, has already contacted a number of line brand owners after carrying out its own investigation into the market. It is also calling on the UK trade to help it establish a ‘Kite Mark’ for the industry."

Link to full article

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Musha rig um du rum da

In our world that would be leader material.

The Pirate.

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Sonik Sports Team Pitsford Pirates - No pressure, just pleasure! Pip pip!

http://www.flyforums.co.uk/trade-cla...e-bonanza.html

http://www.soniksports.com/

http://www.flyforums.co.uk/fly-lines...unkistbob.html

At least it,s a start lines will probably come aswell if they are as misleading as
the nylon. interesting diawl back

Fly lines are graded on grain weights.

Scroll down to the table on the following link.

Choosing the Right Fly Line

This is based on the first 30ft of the line.

There are 15.4323584 grains in 1 gramme; therefore the first 30ft of a WF#7 for example should weigh 11.99 grammes, with a tolerance between 11.47 and 12.51 grammes.

Hardly rocket science.

The Pirate.

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Sonik Sports Team Pitsford Pirates - No pressure, just pleasure! Pip pip!

http://www.flyforums.co.uk/trade-cla...e-bonanza.html

http://www.soniksports.com/

http://www.flyforums.co.uk/fly-lines...unkistbob.html

As i said if they are the same. I was led to believe there tolerance were +- 8 grains. Did someone mention rocket science

Regarding leader strength/diameter, long overdue, a can of worms.

Jim

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The Fishermans Friend is the Flirty Fly,Fickle Food for Fleeting Fish.

I've not measured anything which was very misleading on stated diameter - but "Breaking Strain" could easily be pure B.S.

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Plusnet/Madasafish > Liars to the internet community

"Breaking strain", is indeed BS as you can get a whole range of spurious values depending on how the line is broken.

And the temperature, and whether the line is wet or not!

The Americans rate fishing lines on pounds "test" which I believe is the force a line will take before breaking, although I am not entirely sure about this.

The best way to rate monofilament lines is by diameter. And we must get rid of the archaic "X" system.

Not sure that just rating lines by diameter is the way to go. Many of the line diameters I've checked with a micrometer have been pretty accurate.

I think there should be a standardised knot-strength test as it would be far more relevant to anglers.

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How poor a thing, sometimes I find,
Will captivate a greedy mind - Isaac Walton.

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I agree, I have always bought and used lines based on diameter, ranging from .18 to .10. I use Fox Micro plus+ line, it has a very high breaking strain to diameter ratio. Ive always found the "X" system confusing.

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"Water is peculiar stuff. It circulates mysteriously, rising invisibly from the sea as vapour, forming clouds, falling as rain, creating streams and rivers that return again to the sea. You can swallow it in sips, but it can swallow you whole if you fall into a deep place. You can't catch hold of it, but it can catch hold of you, even if you just look at it."