two hand - "Spey Casting"

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Spey Casting
The limitation of the roll cast is the inability to dramatically change the direction of the line. The most efficient roll cast is one that unfolds tightly down itself. Once you try and change the direction of the line by more than 20 degrees, vital energy from the spring of the rod is wasted redirecting the line. This is where the Spey Cast comes in, but before we look at the various casts lets look at one very important principle.


The Angle of Aim Principle:
There is one very important rule to consider when performing any Spey cast and that is the Angle of Aim principle. If you imagine a line between your casting position and your intended target for the forward cast, this imaginary line is called the Angle of Aim. When you are operating a 'D' Loop downstream of your position when performing either a Double Spey or a Snake Roll, you must direct your forward cast above the Angle of Aim. To simplify this, wherever your fly lands, cast slightly upstream of its position. Failure to cast upstream of the fly will result in the fly line fouling on itself as it unfolds.

Conversely, if you are operating a 'D' loop topside of your position when performing a Single Spey or a Snap 'T', the fly must be placed above the Angle of Aim. In other words, wherever the last few yards of the fly line and fly anchors on the water, cast slightly downstream of its position. Failure to cast downstream of the fly will again only result in the fly line casting on to itself.

REMEMBER:
  Double Spey and Snake Roll cast above the Angle of Aim / above where the fly lands.
  Single Spey and Snap 'T' cast below the Angle of Aim / below where the fly lands.


Spey Casting and Wind Direction:
As well as considering the Angle of Aim Principle, one other very important factor should be uppermost in your mind - the direction of the wind. The direction of the wind directly dictates the safest and most effective Spey Cast to perform for any given conditions. If the wind is coming from a general downstream direction, these are very good conditions for energy efficient Spey Casting. As the forward cast unfolds above the water, the downstream wind accelerates the speed at which the energy in the loop turns over and long casts are effortless. When favoured with these conditions, the two main Spey Casts to consider are the Double Spey and the Snake Roll. Both casts operate a 'D' Loop downstream and downwind of you and as such are the safest choice of cast because the wind is always blowing the line away from your casting position. If you operated a 'D' Loop topside of your position when performing a Single Spey or a 'T' Snap in a downstream wind, you run the great risk of striking yourself with the line and fly. As the forward cast is executed, the wind blows the unfolding line downstream, which is in a direct collision course with your position.

With a wind blowing in the general direction of upstream, the opposite is the case. If a downstream wind is a Spey caster's friend, an upstream wind is a Spey caster's nemesis. As the forward cast is unfolding above the water, the upstream wind acts almost like a barrier, reducing the speed the line is turning over and ultimately the length of line cast attainable. With these conditions the two most effective Spey casts are the Single Spey and the 'T' Snap. Both casts operate a 'D' Loop upstream, but very importantly, downwind of you and as such are the safest choice of cast because the wind is always blowing the line away from your casting position. If you operate a 'D' Loop bottom side of your position when performing a Double Spey or a Snake Roll in a upstream wind, you run the great risk of striking yourself with the fly. As the forward cast is executed, the wind blows the unfolding line upstream, which is in a direct collision course with your position.

Key Benefits of Speycasting:
  1. Speycasting is safer than the overhead cast due to the fact that the fly is never aerialized behind the angler.
  2. It is a highly effective method of casting when faced with a restricted back like a high banking or riverside trees.
  3. By the nature of the cast, the chance of wind/casting knots are greatly reduced.
  4. It is a very enjoyable and satisfying method of presenting a fly to a fish.

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