The
“casting loop” is a byproduct of a proper flycast.
It describes the characteristic U-shaped formation of the fly line
in the air that results from the correct application of the rear and
forward power strokes by the caster.
The shape of the loop and its speed in the air (“linespeed”)
are determined by the cycling time of the cast and the amount of energy
applied to it by the caster. The result of a
proper casting loop is proper "turnover".
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Backcast,
rearward power stroke & hesitation ("cycle time") allows the rod to load |
| Upon completion of the
rearward power stroke of the back cast,
when the rod is “punched” to a stop, the fly line is propelled
on a trajectory above and behind the caster by the unloading rod.
The line forms a loop that “turnsover” (unrolls) to the rear.
This unrolling or unfurling allows the physical weight and
speed of the fly line to re-energize the fly rod by pulling on its tip,
thus bending or cocking it. Given proper timing by the caster, his/her brief hesitation
at the top of the backcast will allow the fly line to turnover/unroll and
load the rod for the forward cast. This is
the process we call “loading”
a rod. |
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Forward
cast, forward power stroke propel fly line to target |
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This
is followed immediately by the forward
cast and the forward power stroke, which simply reverses the
action initiated by the backcast. i.e., the fly
line is propelled on a forward plane creating a similar casting loop
above and in front of the caster.
Upon completion of the forward power stroke to a punching
stop, the line is propelled forward, the loop forms and turnsover in
front of the caster, and the fly is carried along behind to its
ultimate destination on the water. |
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