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VI The Haul.

Up until this point we have modeled the line as static and fixed to the rod whether considered as a straight line behind the rod being accelerated simultaneously as a unit, or even as a single mass-ball to be thrown. But either way, it’s velocity is fixed and equal to the velocity of the rod tip or it’s model equivalent in the throwing stick.

If there is no haul, the phase of constant acceleration proceeds with hand extension and rod rotation until, whether by conscious decision or the fact that anatomy and geometry simply run out of room, Force cannot be sustained and the rod begins to counter flex, or “unload” it’s stored energy. This begins what I call the “unloading” phase and Bolton models as the “STOP” phase. If there is no haul….

In a typical full cast cycle starting at the end of a forward false cast there usually is in SW casting a haul during the back cast, the first haul. This is more easily learned as pulling in on the line while pulling in on the rod is more intuitive. Putting a second haul into the latter half of the forward cast makes it the second, making the second haul the so called “double” haul of a whole cast cycle.

Pulling on the line in the middle of the Constant Acceleration Phase adds a complex set of new forces and angles. In an instant all simplicity vanishes into a circus of interconnected forces and variables.

The Acceleration Phase is relatively simple when talking about a single person and their Force, a single rod, and a single line-weight-mass. Add variation between people, rods, and lines……..and it becomes very complex.

When one then adds the second haul with its the variables of pulling force, speed, length of haul, timing, angle of line to the rod, and line friction on top of the already givens (from the acceleration phase) of constant acceleration, lever length of the rod…and the effect of taper to that length given additional force…one realizes why no one wants to wade in here. It is a given that, since additional Force is being applied to the system, there WILL be an effect on rod shape and line acceleration…but in which direction(s)?!

Additionally, it is a little understood corollary of Murphy’s Law that dictates that change in any one variable changes all the other variables in a way you cannot possibly understand.