Trucos de montaje

By Steven H. McGarthwaite

Bobbin and thread spools are the two halves that when combined makes the tool we use to wrap thread onto a fly hook. It is important to have the wire legs on the bobbin adjusted to the proper thread tension, so the thread will not break while tying flies. Different threads have different breaking strengths, either because of the thread material and/or because of the thread weight. Different thread spools have different spool widths that can also effect the tension setting on the bobbin.

I only use two brands of thread spools for most of my different brands and weight of thread. For my heavy threads (3/0, Kevlar, ect.) I use thread spools that Gudebrod Nylon "A" thread is sold on. I have two bobbins set for the proper tension of the two different breaking points of the various threads I use on the Gudebrod spools. I have the bobbins set for 6-lb/2.7-kg tension, and 2.5-lb/1.1-kg tension.

For 6/0 and 8/0 thread I use Waspi thread spools and have one bobbin for each weight of thread according the breaking strength.

I have the bobbins set for 2-lb/0.9-kg tension, and 1-lb/0.4-kg tension.

I also have a bobbin just for use with my Pearsall Silk thread. The bobbins are miniature spools that require a completely different set up on the shape of the wire legs than with the larger spools. Silk thread has the lowest breaking strength of all my threads 0.5-lb/0.2-kg.

Nothing is as bothersome as a bobbin with the tension set too tight, breaking thread when trying to tie a fly, or having a hanging bobbin spooling thread because the tension is set too loose. Small annoyances become big annoyances, especially when it happen repeatedly and there is a way for them to be corrected. ~Parnelli

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