Trucos de montaje

Twisted Thread
By Steven H. McGarthwaite

As I have stated in a prevous article, I have been tying flies for less than 3 years. And there are many things I do not know. I do not even know how many! I bet you it is more than the things I do know - and maybe as many as the thing I think I know, but don't.

One thing I do know; Most problems involving thread, in tying flies, are caused by our own actions.

Is this too harsh, of a statement? I think not! I will state my case.

You secure a hook into the vise, you wrapped the thread onto the hook using a lock wrap. How many wraps did you take to do this?

Every time the thread is wrapped around the hook the thread is twisted once due to the thread rotation around the hook.

Twisted thread is more apt to break, or cut the material you are trying to secure.

When you are wrapping thread on a hook, you want the thread to lay flat (except for special situations).

A thread that is flat (and not twisted), will lay smoother on the hook, giving a more even surface to add other materials. A thread laid flat will not cut thru tail material or cut a wing when tied on.

A thread that is flat, is not as prone to break.

"How does one prevent this?" you may ask. It is a "Keep It Simple Simon" solution. And here it is:

As you wrap the thread on the hook, rotate the thread bobbin in a counter-rotation direction. If you are right-handed, you are wrapping the thread on the hook in a clockwise motion. So you should rotate the thread bobbin in a counterclockwise motion to compensate for the twisting action on the thread. (Lefties do the opposite).

Another good way to eliminate the twist from the thread is to pull some thread out of the bobbin, and let the bobbin hang loose beneath the hook. Any twist in the thread will be removed as the bobbin rotates.

The most crucial time for the thread to break is in the half-hitch, or in the whip finish at the end of the fly's construction. To eliminate any twist, hang the bobbin and let it rotate freely to remove any twist.

A flat thread will wrap tighter with less tension on the thread.

When tying the half-hitch knot, shorten the thread exposed from the bobbin.

Now earlier I said, "When you are wrapping thread on a hook, you want the thread to lay flat (except for special situations)." Here is one of those:

Special situations, when you need the thread twisted, are when you need to tie-down a quill wing or caddis style wing. Then you will want the thread to be twisted in a counterclockwise twist.

What this will do, is when you are securing the wing, wrapping the thread around the hook, the thread will loop in the direction of your fingers (away from the hooks eye), that are holding the wing(s) in position. This helps the thread lay down on the wing, under where your fingers are, instead of out in front.

The action of wrapping will remove most of the twist from the thread as you do the wraps, so you will have a flat wrap on the wings, and it will not cut the wing.

Please check out the Fly Tying Section, on the Bulletin Board, on FAOL too.

If you have any questions, tips, or techniques; send them along. Someone else thought up most of this material before we did, they just forgot to tell anyone about it. Or else we just forgot about it, while learning something else. Let us share with each other, all the things we know! ~ Steven H. McGarthwaite (Chat Room AKA Parnelli)

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