Loop-Control on HookedLee

What are the rod tip paths that produce a narrow loop, wide loop and tailing loop?

example@example.com (HookedLee) — Mon, 01 Jan 0001 00:00:00 +0000

A narrow loop comes from a relatively straight rod tip path, a wide loop from a convex (domed) path, and a tailing loop from a concave path that dips downward during the casting stroke.

The rod tip path during the casting stroke determines what the fly leg of the loop will look like. Match the casting arc to how much the rod bends, and the tip travels straight — that is the narrow loop you want most of the time.

Narrow loop — straight. The casting arc matches the rod bend, so the tip path is a straight line and the fly leg is straight.
Wide loop — convex. The casting arc is too wide for the bend, so the tip wanders up and over in a dome shape and the fly leg curves upward.
Tailing loop — concave. The casting arc is too narrow for the bend, or force was applied unevenly, so the tip path rises during the stop, dips, and rises again. The fly leg dips and crosses the rod leg.

Read the fly leg and you know which path you made: straight, curve up, curve down.

Source

From the CI Study Guide (2025) (PDF), Bruce Richards’ Five Essentials and Task 16 loop shapes; terms from the FFI Fly Casting Definitions.

Name two actions that result in a tailing loop.

example@example.com (HookedLee) — Mon, 01 Jan 0001 00:00:00 +0000

Two caster actions produce a tailing loop: improper (uneven) force application, and a casting arc that is too narrow for the bend in the rod.

Improper (uneven) force application. The guide calls this one of the two most common causes. Accelerate the rod slowly early in the stroke and much faster later to catch up, and the rod tip dips and rises at some point in the stroke, producing a concave rod tip path.
A casting arc too narrow for the rod bend. The energy needed for the cast is applied over too short a distance, so the rod tip path goes concave. The fix is widening the casting arc — reducing energy instead leaves too little rod and line speed to make the cast.

Both are concave rod tip path faults. For a straight tip path, force has to be applied smoothly, with the rod accelerating at about the same rate from the beginning of the stroke to the end. Creep can contribute: drag during the pause that narrows your arc leaves you applying power over too short a distance. Practise by reading the fly leg after every cast.

Source

From the CI Study Guide (2025) (PDF), Task 3 and the Five Essentials, plus the tailing loop task; terms from the FFI Fly Casting Definitions.

How does the path of the rod tip relate to the size of the loop?

example@example.com (HookedLee) — Mon, 01 Jan 0001 00:00:00 +0000

The rod tip path during the casting stroke determines the shape of the fly leg, and the fly leg shape is the loop size you see. Straight tip path, narrow loop; convex tip path, wide loop; concave tip path, tailing loop.

To keep the tip path straight, the size of the casting arc must vary with how much the rod bends. Bend little and the arc is narrow; bend a lot and the arc is wide. The tip path is the result you steer, and the arc is the control you adjust.

Read the fly leg, adjust the arc

Straight fly leg. The arc matched the rod bend. Keep it.
Fly leg curving upward. The arc is too wide for the bend — narrow the arc to straighten the tip path, or bend the rod more to match it.
Fly leg curving downward. The arc is too narrow for the bend — widen the arc. This is the tailing loop.

You do not have to judge arc width in degrees mid-cast. Watch the loop, then change the arc until the fly leg comes back straight.

Source

From the CI Study Guide (2025) (PDF), the first and second Gammel Essentials; terms from the FFI Fly Casting Definitions.

How does the 180-degree principle apply to overhead casting?

example@example.com (HookedLee) — Mon, 01 Jan 0001 00:00:00 +0000

In overhead casting, the 180-degree principle means the fly line and the intended rod tip path are closely aligned, both laterally and vertically, with the target at the start of each casting stroke.

Get that alignment right and all the energy of the cast goes to moving the line in one direction. Get it wrong and part of the energy is spent pulling the line into alignment with the tip path, so the cast is less efficient — and the line’s momentum curves the fly leg instead of leaving it straight. Slack is the related fault: keep it to an absolute minimum, and start with the line as straight as you can.

What that looks like overhead

The back cast tip path continues straight into the forward cast tip path: forward and back are 180° apart, high, low, right or left.
On the pickup and laydown cast, the tip path runs 10:30 to 1:00 and back, a typical fishing trajectory.
Tracking errors show up as a lateral 180 violation and curve the fly leg sideways.

Source

From the CI Study Guide (2025) (PDF), the mechanics chapter (aligning the tip path with the target) and the PULD task notes; terms from the FFI Fly Casting Definitions.

If the casting arc is too wide for the bend of the rod, which loop shape results?

example@example.com (HookedLee) — Mon, 01 Jan 0001 00:00:00 +0000

A casting arc that is too wide for the bend of the rod produces a wide loop.

The size of the casting arc must vary with how much the rod bends. When you rotate the rod butt through more arc than the bend needs, the rod tip keeps travelling up and over after it should have stopped going up — a convex, domed tip path the guide calls a dome, rainbow or windshield-wiper path. The fly leg follows the tip path, so it curves upward and the loop opens out wide. Over-bending the wrist is the classic way to get there: the wrist adds arc the rod bend does not call for.

Fixing it

Narrow the arc until the tip path is straight again. This is the direct fix.
Or increase rod bend — more force — to match the wide arc, but the guide notes that also increases line speed significantly.
Read the fly leg to confirm: an upward curve means too wide, a straight leg means the arc matches the bend.

The written exam pairs this with the opposite fault: too narrow an arc for the bend gives a tailing loop.

Source

From the CI Study Guide (2025) (PDF), the Second Essential (the casting arc varies with the length of line past the rod tip) and the mechanics chapter’s rule that the arc must match the rod bend; Task 19 overhead faults; terms from the FFI Fly Casting Definitions.

Comparing a bamboo rod with a fast-action graphite rod, which needs the wider casting arc when false casting similar loops?

example@example.com (HookedLee) — Mon, 01 Jan 0001 00:00:00 +0000

The bamboo rod needs the wider casting arc.

The Second Essential says the size of the casting arc must vary with the length of line past the rod tip, and the mechanics chapter states the same relationship from the other side: match the arc to the rod bend. A bamboo rod is the more flexible of the two, so for similar loops it bends more under the same line mass and force. More bend needs more arc to keep the rod tip path straight. A fast-action graphite rod resists bending — the bend sits closer to the tip — so less butt rotation is needed to keep the tip path straight.

Seeing it on the lawn

Rig both rods with the same line and false cast about 40 ft.
Straight fly leg on the bamboo comes from a wider arc; straight on the graphite comes from a narrower one.
Force the same arc on both: the bamboo’s arc is now too wide for its bend and it throws a wide loop, the graphite’s arc is too narrow for its bend and it tails.

The guide does not compare the two materials; this follows from matching arc to rod bend.

Source

From the CI Study Guide (2025) (PDF), the Second Essential (the casting arc varies with the length of line past the rod tip) and the mechanics chapter’s arc-matches-bend rule; terms from the FFI Fly Casting Definitions.