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The strength of the nylon will vary with the weight of fly line and breaking strain of leader. As guide you can use the following:




3 - 5 

10 lbs


4 - 6 

12 lbs


6 - 8 

12 lbs


8 - 12 

15 lbs


10 - 12 

15 lbs


12 - 15 

18 lbs

Fishing knots are designed to be tied in monofilament line and to run through the eyes and rings of a fishing rod or rig. Fishing line is cheap. The emphasis, therefore, is on compactness and reliability with no interest in being able to untie them. In the fly-fishing, as in all the other fishing techniques, to obtain the maximum of the success, fishermen uses knots very seriously and carefully so to avoid, as it probably happened to many of us, to loose important preys cause the not perfect tying of knots. It is very important to execute the tying of knots in a right mode, either to assure the backing to the spool or to connect it to the taper line, either this to be connected to the leader, or to tye to the flies. Following, we give an idea about few knots, good for the fly fishing: they are very most common and utilized, specially in the trout fishing and other river's and lake's common fishes.

Fly Fishing Knots:

The picture on the left shows one typical system for fly fishing. It shows examples of knots that can be used at each junction. The purpose of the tippet is to prolong the life of the leader by replacing it when enough has been lost through breakage, re-tying flies, or damage on snags.

Similar Knots:

Many fishing knots serve almost identical purposes and are interchangeable, e.g., the knots in the following groups serve much the same purpose:

  • The Improved Clinch, Trilene, and Uni Knot.
  • Albright, Blood Knot, Nail Knot and Double Surgeons knot.
  • Rapala, Palomar and Surgeon's Loop

It would, therefore, probably be a waste of time to learn all the fishing knots on this website. Treat it as a resource to allow you to learn the knots you select - or those which you have been told to learn!

Lubricating/Tightening/Trimming the Knots:

Fishing knots are intended to be pulled extremely tight before use. To ensure the knot tightens smoothly, and to avoid generating heat, the knot should be moistened with water first. The most conveniently available source of water is saliva - which is probably used more than anything else! When available, a better lubricant is vegetable oil.
The ends of most fishing knots can, and should, be trimmed closely against the knot. The best tool for the purpose is set of Nail Clippers.

Breaking Strain:

Some words have already been written on the home page about Knots Weakening Rope. Claimed breaking strength for some fishing knots is suspiciously high. Supposedly it varies with the number of turns used, and the number of turns is supposed to be adjusted to accord with the line diameter. It is worth remembering, testing shows that monofilament with a knot in its length breaks at about 50% of its ideal strength.
Ideal breaking strength is tested by attaching each end round very large diameter drums. If, therefore, monofilament is wound round a proportionately large diameter shank, the breaking strain might be expected to approach the ideal. Great! But what about the other end? The knot there will involve the line passing round itself or another line - which commonly reduces strength to 50% of the ideal.
Therefore, in any knot where the line passes round itself, performance figures in excess of the 50 - 70 % range are best treated with critical scepticism. Testing your own line and your own knot with your own spring balance still provides you with the only data you can truly trust.
The only believable method of tying knots in monofilament and maintaining the strength involves threading the monofilament inside a dacron braid. The report claims that breaking strains of 90% of the ideal were achieved.