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Walter & Group...
[GH] From Guy Manning :
You responded to Gary Eaton with this: You are challenging the Task 19 wording, as I understand it, because it calls for the causes and corrections for tailing loops. You see the cause as the concave rod tip path. You may remember I did the same a while back and was correctly criticized for that.
I agree with you. For me, a test might include.
Q: What causes tails?
A: Concave path of the rod tip.
My follow up question: Can you give me an idea of one thing that would be common to most casts that would cause the tails. (pause) (pause) (pause) Something the caster is doing to cause a concave path of the tip?
A: ???
I think it is an important fact to note that the rod tip doesn’t cause anything. A concave path of the rod tip is too simplistic an answer because it ignores the fault in mechanics that caused the improper rod action to begin with. It is the force driving the rod that, in turn, makes the tip do what it does. As instructors we have a teaching model that allows for this in the “6 step method”. I encourage CI and MCI candidates to use the 6 step method when answering questions during the examination, as well as when teaching. The rod , or any of its parts, is never the problem, it is the method the caster is using to move the rod. That is why, in my Casting Instructors Workshop, I discuss 8 or 9 ways a caster can make a tail. The list is solutions focused, breaking the cast down to which physical motion caused the tail.
Guy Manning
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[GH] Guy,
I suppose we could generalize with the simple statement that the root cause of any casting error is the action of the caster.
Some use the terms, "WHY" and "HOW" a casting fault is made.
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[GH] Dan McCrimmon brings up an interesting point on the uses of the words, "power" and "force":
Hi Gordy;
I am wondering about the "loose use" of the terms power and force in this discussion and perhaps others.
In the past people have suggested that as fly fishers we use the terms interchangeably and it is OK because everyone knows what we mean. However, this strikes me as a group calling an apple an orange, but it is OK because everyone knows what we mean. Except those who are just learning, because they have not had the pleasure of being introduced to fly speak.
To me,
Power is the rate at which work is performed or energy is converted. Horsepower, Kilowatts etc.
Force is any influence that causes a free body to undergo a change in speed, a change in direction, or a change in shape. Force can also be described by intuitive concepts such as a push or pull that can cause an object with mass to change its velocity (which includes to begin moving from a state of rest), i.e., to accelerate, or decelerate, or which can cause a flexible object to deform. (fly rod)
Force seems to be the more appropriate term.
Dan
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[GH]
Dan,
I can't disagree. However, it may take some doing to switch away from the well established use of "application of power", "power applied correctly" , "spike of power" and "power applied abruptly". We note that the word, "power" is used in the very wording for Task 19.
In Guy Manning's note, above, he does correctly use the phrase, "force driving the rod."
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[GH] Another fault which can result in either a collision between the fly line and the rod or a tailing loop is found in the fly casting literature. Jason Borger divides the cast into 3 phases. Phase 1 = Acceleration. Phase 2 = Loop formation. Phase 3 is Energy Transfer (the stop sequence). Throughout his text, this is revisited as ALE.
He goes on to describe the formation of tailing loops in different ways. One is described as, "Jerking the rod at the beginning of the stroke causing the rod tip to move in a concave pathway."
Another, "....Casting smoothly---but without initiating Phase two---will also cause the rod tip to move in a concave pathway.... resulting in a tailing loop."
Now, if we go back in his text and look at his description of Phase 2, we find: "Phase two (loop formation (L) is that portion of the cast during which the rod tip is moved rapidly out of the Line Plane ('Turned over') and the line loop is given its formative dimensions." *
This fits with Lefty Kreh's teaching of dipping the rod tip to get it out of the way of the line.
Jason expands: "Phase two is analogous to the first part of Lefty kreh's Fourth Principle of FlyCasting ('the distance you speed up and stop at the end of the cast determines loop size...'), and is wholly or partly integrated into other casters' lingo, such as Mac Brown's "Pop and Stop", Doug Swisher's, "Microsecond Wrist" and Joan Wulff's, "Power Snap". *
Some have taken issue with Lefty's statement on loop size being determined by the distance that one speeds up and stops. This may be the reason he didn't list this as a principle in his latest book.** If you think about it, however, if this phase (including what we have recently been calling the "stop sequence") is prolonged, most casters dip the rod tip farther away from the oncoming line as the rod tip travels in a convex path and end up with a large loop. The reverse is true, in that with a "speed up and stop" over short duration, the rod tip does not usually dip down as far, thus remaining closer to the oncoming line as the loop is formed. This helps yield a a smaller loop.
Different ways of looking at the same elephant which serve as grist for endless debate.
The average MCI candidate, when studying this material, will focus on the differences of opinion in the literature. The well informed one will concentrate on the similarities. The best informed, will weigh both and come to his own informed conclusions.
* Jason Borger's NATURE OF FLY CASTING, by Jason Borger, 2001, pp. 26-28, 76.
** CASTING with LEFTY KREH, by Lefty Kreh, 2008, pp. 12-17.
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