I am a Fly Fishers International Certified Fly-Casting Instructor. I teach fly casting in lakes or rivers. Additionally, I teach salt water casting techniques. This blog will be dedicated to fly fishing and fly casting. I will also write about rods and reels and whatever takes my fancy in the fly-fishing universe.
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https://everyjonahhasawhale.com/wp-content/uploads/2016/10/Fort-Pickens-1.-nov-2009-068.jpg15842376Jonas Magnussonhttps://everyjonahhasawhale.com/wp-content/uploads/2019/03/FFI_9846_Logo®_Casting_Instructor_CMYK-600x476.jpgJonas Magnusson2016-09-29 01:28:482021-07-14 12:32:14Every Jonah Has a Whale - You cannot buy a cast!
https://everyjonahhasawhale.com/wp-content/uploads/2016/09/DSC00263.jpg1127673Jonas Magnussonhttps://everyjonahhasawhale.com/wp-content/uploads/2019/03/FFI_9846_Logo®_Casting_Instructor_CMYK-600x476.jpgJonas Magnusson2016-09-22 15:36:522019-03-09 16:51:02Feedback from my clients
“Why can’t I cast this Clouser?”- is a question I often get. “I am using the #8 rod and #8 line, and I have no control over it.” The misbehaving Clouser usually has big lead eyes and is very heavy. We all have experienced this problem at varying stages of our development.
The way to analyze the situation is first to –
Consider the equipment
The line weight must match the fly’s mass.
So, it follows that the line could simply be too light (Occam‘s razor).
The shape of the fly line especially the front taper.
The key point is that any fly that resists moving because it is either heavy and/or very wind resistant requires a significant “pull“. The best way to achieve that is with a heavy line. The front taper must be powerful (short and/or heavy tip) to maintain as much energy as possible to have the necessary oomph to turn over a heavy fly.
The leader‘s butt end needs to be thick enough (more mass).
The length of the leader could be too long and often is.
The leader needs to be massive and short enough to turn over a heavy fly. If the leader is too long there is insufficient energy left in the leader to turn over that fly. So, a shorter leader is better suited to turn over a heavy fly.
Considering the casting technique
Because of its mass, the heavy fly’s residual momentum will be substantial when cast with the standard technique. So, it will kick with a hard stop. Its momentum causes it to bounce, and now it becomes very difficult to impossible to fashion a straight backcast. Thus, slack is introduced and control over the line is lost, and it becomes very difficult to cast a line with a lot of slack in it. The rod doesn’t load properly, the line doesn’t accelerate because it isn’t straight. When there is a heavy fly at the end of the leader all problems multiply. When a casting stroke starts the line/leader must be as straight as possible.
By avoiding the stop we can prevent the kick. We do this by using an oval path for the fly on the backcast and maintaining constant tension on the fly. Now, we swing the fly back horizontally and instead of casting straight back, we bring the rod tip up, thus swinging the fly upwards, and then commence the forward cast. This cast is called the Belgian cast.
https://everyjonahhasawhale.com/wp-content/uploads/2022/08/focus.jpg00Jonas Magnussonhttps://everyjonahhasawhale.com/wp-content/uploads/2019/03/FFI_9846_Logo®_Casting_Instructor_CMYK-600x476.jpgJonas Magnusson2022-08-18 12:45:552022-08-18 12:45:56Casting a heavy fly
I was recently fishing the flats of South Andros. Megan Nellen, an angler in our group, was relatively new to the sport, and she was asking all the right questions. We fished together for a day. As she took the bow of our boat, I noticed her ready position was suboptimal but still had a lot of positives.
I gave her some pointers that seemed to work well for her.
This got me thinking – what is the ready position in essence? I like to deconstruct problems into their constituent parts, i.e. simplify them. After some rumination, I like to present this as ….
The length of the fly line outside the tiptop needs to be enough to load the rod quickly, but not so much that it gets into the motor or poling staff or under the boat if dragged boat side. The iron rule is – if it can snag it will. The angler wants as much line out of the rod as safely possible, which reduces the time to the first delivery.
The fly must be controlled by holding it by the bend of the hook (or by the leader just proximal to it).
The line must be controlled by the line hand.
Any method that satisfies these 3 points will work. The fly can of course be held by either hand. There are several methods described on the web – I like some and others not so much.
The one that works best for me and is simplest, I think, is – about 15’ of the line outside tiptop – holding the fly by hook bend in rod hand (thumb – index) – line hand holds line ca 2’ from the stripping guide. Sweep the rod away from the fish and let go of the fly. For casts with fish inside 35,’ I have enough to get there without slipping or shooting line. Then if more line needs to be aerialized I can make one forward and one back cast slipping both ways and then shoot more line.
The line stacks. Between the rod hand and the reel, there needs to be a line in the cockpit that is stacked correctly – so the line close to the line hand is on top of the pile.
Pull off the reel, the length of line that you can cast, and place it in the cockpit of the boat. The line you can’t cast only increases the risk of tangles, so it stays on the reel. Now the line stack has the line shooting first on the bottom, a surefire recipe for tangles and grief. Cast that line out and retrieve, now your line is stacked correctly and is ready.
Starting fly casters are taught to false cast on grass and the casts will be parallel to the ground. But casting parallel to the ground when fishing is an unforced error. When casting straight, the line and the leader will turn over several feet above the surface. It will take the fly time to drop to the water giving the wind time to mess with the presentation.
I noticed at a club meeting when we were doing accuracy that the back casts usually weren‘t high enough.
When you aim at a spot on the water’s surface the trajectory will become downward towards that spot. Because the back cast needs to be 180 degrees opposite to the forward cast for an efficient straight cast it follows that the back cast must be upwards.
Therefore the whole trajectory must be straight (180-degree rule obeyed). So, now the cast must look like this.
So, pick a spot on the water where you intend to place your fly. Now, drive the fly line straight to that point and try to straighten your fly line and leader just inches above that point. Now, the wind has much less room to screw up your cast.
This is a for beginners – the basic description of the casting arc needed for a short cast.
The last blog considered a tracking fault i.e., what happens if there is too much bending (radial movement) of the wrist (abduction) in the horizontal plane.
So, it’s logical to consider what happens when we over-abduct the wrist in the vertical plane. The angle between the underarm and the rod then becomes, say 90 degrees. Beginners and intermediate casters do this frequently on their back-casts. This will send the line careening down behind the caster, and thus it will be traveling in a great big loop. When the wrist bending (radial movement – abduction) is kept minimal and the rod is stopped just past vertical, the caster will have a much straighter line behind and now has consequently the foundation for a good forward cast.
Now, on to the forward cast. The same rule applies. The backcast and the forward cast should be symmetric. Therefore, we need to stop the rod high on the forward cast to send the line straight.
Beginners frequently bring the rod tip too far down instead of stopping it higher. That leads the fly line to form a big inefficient loop going nowhere. What we want to do is to stop the rod tip high and shape the top leg (fly leg) straight.
Now the crucial feat is to make the rod tip travel from the back stop B to the front stop A (orange lines) in a straight line. We can do that by bending the rod against the mass of the line behind it (plus the inertia of the rod itself). We start from a standstill, smoothly accelerate the rod, and bring it to an abrupt stop when we reach the front stop. That will send the line over the tip in a straight line making for an efficient cast. To obtain this straight line we must practice a lot. There is no getting around that one.
If we don’t accelerate and don’t bend the rod, there will be no straight line, but an upward curve, and the loop becomes large and inefficient. If we use too much force the tip path will dip down and we get a tailing loop.
https://everyjonahhasawhale.com/wp-content/uploads/2022/05/DSCF6418-scaled.jpg17072560Jonas Magnussonhttps://everyjonahhasawhale.com/wp-content/uploads/2019/03/FFI_9846_Logo®_Casting_Instructor_CMYK-600x476.jpgJonas Magnusson2022-06-12 13:22:122022-06-12 13:22:13The casting arc - for a short cast
At the Suncoast Club’s casting clinic there was a caster (right-handed) who asked – “Why does my fly line hook to the left at the end of my casts, instead of laying out straight?” A kindred southpaw will hook right of course.
This one is a recurrent error. I have suffered from the same malaise. But this one is also rather easy to cure. For any successful cure though the diagnosis must be spot on.
Why? This error happens if the tracking isn’t straight.
How? On the backcast – the caster doesn’t throw the line straight behind, but well to the left of the caster, as you can see in the diagram.
That happens when the caster opens the wrist way too much in the horizontal plane and sends the line in a great big curve back, thus violating the 180-degree rule. On the forward cast even if the line is reasonably straight it will hook to the left.
The cure – pick your target on the backcast. Aim for something (a tree – an island – anything) that is behind you and cast straight back. One way to practice this is to lay out a rope (any line will do) on the ground in the position of the A-B line on the drawing. Deliver some backcasts and see where the line lands. If left off the line – adjustment is needed. In the picture, A-B is the straight track casting line, so never let your line cross that line. On the forward cast, you don’t cross the A-B line, if you do the line will hook left. On the back-cast look at your reel, if the side plates aren’t vertical, you are not tracking straight. So, the cure is – to pick your targets and be sure that the rod tip is traveling straight. When you do – voila – the line lays out straight.
If I can only give one piece of advice – here goes – WATCH YOUR BACKCASTS. If I go Yogi Berra on you – “You can learn a lot by just watching.”
However, there are situations when you want the line to curve at presentation. And you are right – those are the curve casts!”
Picture above. Sibbi is here casting – the wind is considerable blowing down the river. The wind is hampering his backcast and his line looks like an ECG. Sibbi is an elite caster and gets away with it, but he is at the edge of his carry limit with the wind in his back i.e., it is difficult to straighten the line on the backcast.
The Suncoast Club (https://suncoastflyfishers.com) hosted a casting clinic Jan. 8th. I helped out and noticed one particular error that several intermediate casters there made. They were making nice false casts and then suddenly they lost control just before their delivery. I have suffered from the same malaise. All casters have a certain length of line they can comfortably carry in the air false casting. Beginners can’t carry much line but little by little they are able to carry more. We refer to that length as their carry. Distance casters can and must carry say 100’ of line to be able to reach 120’. So, the carry length is highly individual. As we practice, we can carry more line.
Back to our intermediate casters – it turned out they were slipping line (releasing a bit of line on the back cast and/or front cast). Thus, they were increasing their carry, and some didn’t even realize it, and in the end, they had moved past their carry limit. What happens then is that the line can’t be kept straight neither in front nor in the back and control over the line is thus lost. Consequently, they were introducing slack into their cast with the known outcome. The remedy is to teach a caster where his/her carry limit is. That task turns out to be very easy. Carry more and more until control is lost, that length is a bit too long. Mark the line with a marker at that point. So, now we have established the individual’s carry limit. Then we just have some line at the ready to be shot on delivery. When our casters observed their carry limit and then shot the line, they suddenly were able to get more distance than previously.
The wind is light and the sun is shining and I am floating across a gorgeous flat in South Andros. I am in the ready position on the bow of the skiff and the guide spots a big bonefish. It always is a big fish but this one was huge – when it tailed we thought it was a sailboat. The sun was right – the wind was right – what could go wrong? My cast was perfect – I led the fish correctly (got the fly across the fish’s projected path) and bumped it into his field of vision when the guide said “strip it once” and the fish took the fly immediately and instantly bolted. I cleared the line and raised the rod tip a tad to cushion the line/leader when the line was pulled tight. You know where this is going eh? Yes, you do ……. the leader to tippet knot snapped instantly with a bang. This is a moment when adult diapers could be useful but I managed not to disgrace myself. Would you believe me if I told you that this happened twice the same morning?
Tackle failure; In both instances, it was the leader-to-tippet connection that failed. This has not happened to me before so I tied some more leader tippet connections and Capt. Baz snapped them easily. This will happen when the knots aren‘t pulled tight and I mean tight. As we glide down the razor blade of life our muscle strength diminishes. Years back I broke my right underarm (so-called Galeazzi fracture). It got fixed with a plate and screws but after that, I had a bit less sensation in the pad of my right thumb. Then onto the arthritis of the base joint of the same finger that led to an operation where the joint and the trapezium bone is just removed plus some fancy tendon plastic. All this wear and tear has left me with a weakened thumb. Now I must wrap the leader and tippet around my hands to be able to pull those knots tight enough. When I redid my knots this way the connection held. Capt. Baz helped me with this diagnostic work and remedy and even donated leather gloves to the cause of protecting my hands. After discovering this issue I did not have any breakage. Needless to say that the fish snapping the leader to tippet connection was much bigger than the eight-pounder I finally caught.
It is easy to get to Mars Bay and we left from Ft. Lauderdale flying straight to Congo Town on South Andros.
There it is – the landing strip of the Congo Town airport. At last, we were able to make this long-awaited trip to Andros. This trip was slated for the year 2020 but understandably got moved to 2021. There were some basic requirements – you must be vaccinated – you must provide a negative Covid test – and before departure home, you must have a negative Covid test. All reasonable and easy to comply with.
We touched down in Congo Town uneventfully but as we taxied to the terminal I spotted this plane. Looks to be a rough landing right there but one you can walk away from – the basic requirement in my book. So, no biggie.
After clearing customs and a half-hour taxi ride south on The King’s Highway from Congo Town we arrived at Mars Bay Bonefish Lodge run by Bill Howard.
The two stories house is being finished and the pink one is the kitchen and dining area plus three bedrooms. There is another guest house similar to this one on the premises. The accommodation was great. Rooms and beds were spotless and the food was excellent and interactions with staff were outstanding. Now, I must point out that it must be a challenge to run an operation like this where everything must be imported. However, the schedule ran without a hitch and there were no hiccups along the way. One day we got blown off the water by thunderstorms and wind but the weather is not under anyone’s control and we expected one storm day frankly.
The sunrise was spectacular from the porch while enjoying your morning coffee.
Breakfast was at 7 am and then guides picked us up at 7.30 am and we fished until 4 pm. This is hard work and lunch was packed and needed. After toiling on the flats an afternoon beer or wine is just what the doctor ordered and provided. Dinner is served at 7 pm and then you pretty much are out.
For me, the excitement is the speed of those fish. There are a lot of moving parts to bone-fishing which I have covered in a previous blog.
The single most important determinant of your success is your cast. You must be able to double haul and get the line out to more than 50-60’. Sure fish are caught closer to the boat but to be able to cast 40’ in a moving boat with the wind in your face requires that minimal skill set. You can buy a rod and a reel but you can’t buy a cast. Don’t go bonefishing until you have learned to cast properly is my advice.
All the anglers in our group caught fish and a lot of them – big and small. Simply put the fishing was outrageous.
Captain Baz with a big one (he always catches a big one but not necessarily the biggest one).
That distinction goes to Hutch. This one is estimated at 11 pounds.
I find the mangroves fascinating. The fish swim into those thickets on the high tide to forage. If you hook one and it decides to go there you are simply toasted. So, man up – max drag and apply maximal pressure. That can break off a fish, but you have a chance, but none if it gets in there. The big ones get big because they do just that. This was a recurrent scream “Fish on – oh f… heading for the mangroves!”…………
Then there is that – the fly line eating mangrove. It is a law of nature that a mangrove anywhere in the vicinity of your cast will catch your fly line. We were on a big flat with one tiny mangrove – point proven. Note the numbers on the gunwale. The number twelve is straight ahead and then – one – two – three on the starboard side. The guides give the caster instructions by saying “nine o’clock 60 feet” etc. Or “point one o’clock come right – see the fish?” and when you do spot the fish you cast. It does not work well for me to cast without having seen the fish. The guides are higher up on their poling platform and can spot the fish better (and they do this day in day out) and become so attuned that they can spot them one hundred or more feet out (sometimes even before they materialize).
But Greg redeemed himself repeatedly later that day.
A lone bonefish can be maddeningly difficult to spot but sometimes you find these big schools of fish and suddenly you can see them clearly. At the outset, I caught some fish from a school like that but after a while it got old. It is much more rewarding to me to find lone fish that are usually bigger but it is also a lot harder.
The flats we fished seemed to be endless and there were mangrove mazes you could pole into like this one. It took us two hours to thread ourselves through that particular maze.
It is a good strategy to be on the flats adjacent to the mangroves and especially if there is a bit deeper channel into the mangroves. The bonefish will usually return to and from the flat through these deeper channels. You need to be observant because we can be talking about very subtle depth differences. The bonefish in the video below was caught applying that strategy. You position yourself for an ambush and then you wait. The bonefish go into the mangroves on the high tide and must leave when the tide falls. I like better to catch a few big fish than a lot of small ones.
In the video Capt. Baz unhooks the fish without touching its body. The bonefish have this mucus around them that can be scraped off leaving them vulnerable to the sharks and there is a lot of sharks around. Notice that after the fish is freed it swims close to the boat for a while before departing.
On the flight home from Andros, the line “I would trade all of my tomorrows for a single yesterday” of bonefishing like that got some serious rumination. I decided against it – I will just go there again and again.
https://everyjonahhasawhale.com/wp-content/uploads/2021/11/6F7DC789-6228-4CEA-8F10-E20E37617FED_1_105_c.jpeg7681024Jonas Magnussonhttps://everyjonahhasawhale.com/wp-content/uploads/2019/03/FFI_9846_Logo®_Casting_Instructor_CMYK-600x476.jpgJonas Magnusson2021-11-30 12:00:182021-11-30 12:36:43Bonefishing from the Mars Bay Lodge – south Andros
Most lines are designed so, that when you add a correct leader and a fly, the outfit will turn over beautifully and we are happy. In other words, the fly lines are designed to turn over a certain mass i.e., the mass of the leader and the corresponding fly. As I have repeatedly mentioned in these technical blogs, a fly line without the leader will kick when cast. All fly lines are designed to have a leader added to the end of the fly line.
Design of fly lines
A fly line is designed to work with a certain mass that you add with your leader and your fly. If no mass is added to a fly line – it will kick when cast. Correct leader and fly (correct mass) added can be cast as intended. If we add a lot more mass for instance with a heavy fly the casting becomes problematic again. So, all lines have an optimal mass that needs to be added for that line to work well. Of course, this optimal mass is always caster dependent.
(In the two-handed world, the lines are designed the same way, but the exception is the Skagit line where you always must add a tip plus a leader for the system to work. That is outside the scope of this piece.)
Lots of tips available
All the line makers produce tips that you can add to a line if you wish to do so. There are a plethora of various density and length tips available. They are marketed as Vesileaders – Polyleaders – etc. An add-on tip is a tip made of PVC or polyurethane meant to be added to the end of a fly line. Those tips can either be tapering or level. However, the mass of the tip is usually not to be found on the packing.
Why use them?
You can of course add those tips to fly your lines. But what is the rationale for doing so?
You are fishing with a floater and your friend who is using a sink tip is catching them right and left but you are not. You can add an intermediate or a sink tip to your floating line to get the fly down.
However, adding tips to floating lines not designed to take that mass is just a quick, simple way to turn a floating line into a sinking tip line, but at a price. These tips will weigh several times more than a conventional leader (16lb leader I have weighs 11.2 grain). The weight of the tips is not disclosed but rest assured it is much more than the leaders. That mass of the tip will have to be added plus a little bit of tippet and the fly. They will cast terribly, predictably. When you look up these tips you will find marketing blurbs – “Casts well and turns your floating line into a sink tip” – those are written by some good casters, and they can undoubtedly deal with the extra mass, but average casters will suffer.
The mass again
Since the drawback to tips is their extra mass, the relationship of the added tip mass to the line’s head mass is the important one. Therefore, of course, adding a relatively light tip to a heavy line works much better than adding any tip to a light line.
Any line can be made to cast these tips if the angler shortens their fly lines front taper. Thus, more mass is at the tip and allows a line to cast a heavier tip. When the mass of the tip of the fly line matches the mass of the butt of the leader all is well. In many cases, though that will mean sacrificing the entire front taper, to get a reasonable match between the fly line’s end and the tip.
Generally, sinking lines are more difficult to cast than floating lines. That’s not a big surprise now when we know they must be heavy upfront to sink, and they can kick like a mule.
Why are the Sinking lines difficult to cast?
Remember they are not designed to be cast easily – they are designed to sink and cast big heavy flies – to catch fish floating lines can’t reach.
These lines kick because the leader can’t bleed away the surplus energy in the fly line’s end see this blog.
So, the real issue is the transition from the line tip to the leader. It is difficult to impossible to match the mass of the leader’s butt to the mass of the line tip. The line tip may be very small but quite heavy due to its density – remember it’s designed to sink. To match the masses the leader´s butt would have to be considerably thicker than the fly line’s end.
Correctly designed lines will have a mass profile that doesn’t change when going from the floating to the fast-sinking sections of a sink tip line. The floating part is huge, the sinking part is small, but the mass/inch is the same. Badly designed sinking tips lines will in addition have the clunky uneven mass transition.
Usually, fly slingers make two errors when they cast and rig sinking lines.
The line. The first error relates to the cast. Understandably, casters try to cast the sinking line as they would cast a floating line, and that does not work very well. Cast a line like that straight back it will stop and bounce and create slack. Because of the kick, with each cast, control of the line is lost, and it compounds (remedy below). Remember the big and heavy fly usually used in tandem with a sinker is waiting for its opportunity to strike the back of the caster’s skull – ears are a good target too. So, false casting should be minimized and can be downright dangerous.
The leader. The second error relates to the leader. The butt of the leader anglers use is frequently way too thin, so the transfer of energy will not be optimal creating more bounce. To use a suboptimal leader is an unforced error. Sometimes your casting abilities are evolving but the effort of tying on a suboptimal leader is the same as tying on an optimal one. So, pay attention to your damn leader’s butt.
Since the issue with sinking lines is at the transition to the leaders only, there isn’t a need for long leaders, at least not to cure casting ills. The leaders need to be long enough to temper the kick somewhat, but no longer. When the line kicks so does the leader, of course. The part of the leader’s butt forward from the fly line, helps to temper that kick, usually 2-3 ft. of butt is enough. There are diminishing returns going longer than that. Then add a taper and tippet and a total leader length of 4-6 ft. works well for casting, and the short leader also gets the fly down quicker than a longer leader would do.
The solution. Forget nice sharp loops these lines can’t be controlled casting that way. Open your loop to minimize the kick. Make one back cast and then briefly lay the line down in front of you. Pick that line up and make another back cast, shooting line to get the line’s head out of the tip-top, then shoot the front cast. No false casting is required. Lay down every fore-cast once the head is out of the tip-top and shoot the next fore-cast. This is much safer and easier to do than trying to false cast a with a dense head and a big heavy fly. A Belgian or an oval cast works very well, especially with an on-shoulder wind. As you retrieve your line and get ready for the next cast, the line is now in the water, not on the water as the floater is. It is not possible to go into a backcast with the line sunken like that. You might even break your rod if you tried. The solution is to make a roll cast or two and get the line to the surface. Once there we can make our usual pick-up. Remember to pinch down the barb for your own sake if not for the fish’s, just in case.
Line management of a sinker. Fishing in water the stripped sinking line will sink if not managed. Obviously, the line does not come as easily from the water as a floating line comes off the water. The stripped line can be coiled and held in the stripping hand, or a stripping basket can be used.
Rod. Casting sinking lines isn’t about short distance and accuracy, it’s all about distance and covering a lot of water. Therefore, soft rods (noodles) aren’t appropriate. In the right hands they can work, of course, but why fight a slow rod when a faster one would work better? Beginners and intermediate casters would be well advised to use fast rods for casting sinkers.
This picture has nothing to do with sinkers but just begged to be posted.
All fly casters have experienced a fly line “kick.” So, what is this kick? The fly line kicks when the tip part suddenly accelerates at the end of a cast and careens about (like a whip does). The reason behind the kick is that there is undissipated energy left in the loop when it straightens. That energy must go somewhere and the end of the fly line kicks thus dissipating energy. When casting floating lines, the kick is mostly a casting error (too much power), but it can also be used to the caster’s advantage (more later). Lines, where the mass of its head is pushed forward, are prone to kicking whether it is a sinking tip or a floating tip. The mass upfront is the issue, not the line’s density per se. When casting a line with a heavy sinking tip it will kick to a varying degree. Let’s break it down into various components.
Any line, cast without a leader, will kick no matter how gentle the cast. Just go ahead and try for yourself. There should be, by necessity, a little bit of energy left in the fly line to turn over the leader and the fly. (Now it is also obvious why you need more force to turn over a fly as it gets heavier). The leader is designed to dissipate the rest of the energy and still have enough to turn over the fly. Now you immediately realize that the leader must be constructed in such a way as to be able to do this. Imagine a scenario where you put a 6X 3.7lbs tippet on a 15# flyline (Diameter 0.005’’, 0.13mm). You intuitively realize that’s never going to work. Mass moves mass is the mantra (see blogs below). And the reason is that the mass of the leader’s butt is just too small to accept the excess energy. The mass of the leader’s butt is predicated by the diameter of the butt (not the break strength).
When I cast a floating line, I like to spend just enough energy to turn the ensemble over and lay it out straight in front of me. However, I can make any line kick by just using more force. Now, this is a casting flaw unless you want the line to curve at the cast’s end. There are two named casts where we use excessive force to curve the line. First, we have the Tuck cast where we cast in the vertical plane and overpower the cast, and the line and leader tuck down, and we can make the fly land first on the surface. This is used for instance when you want the fly to sink fast as in nymphing.
The other is the Curve cast where we cast in the horizontal plane and curve the line around an obstacle for instance a stone in the water. This is possible to do when casting in the horizontal plane. The trick is to overpower the cast and the line curves either to the right with a horizontal left-sided cast or left using a horizontal right-sided cast.
It is the same principle and the same cast. The tuck cast is in the vertical plane and the curve cast is in the horizontal plane.
The line’s design
Now undissipated energy can be there because of the line’s construction. All lines where the mass is pushed forward will certainly kick more than most other line designs. Sinking tips will kick more because of their mass (not density), but floating lines like the one above will also kick. But that’s OK, these lines are designed to cast bigger flies AND for the sinkers, the tip must sink fast so there is lots of mass in the front. But we don’t care, we’re not throwing dry flies. Good for big/heavy flies. If the tip casts smoothly it does not sink well and thus fishes badly. If the tip sinks well and fishes well it is harder to cast. You must pick your poison!
Sinking lines and sink tips are made by incorporating small pieces of tungsten (from Swedish – literally heavy stone) into the PVC coating. This increases the density of that part of the line. The tips are furthermore thinner than the floating head part and that fact is responsible for the decreased drag and the speed-up of a line thus constructed.
The line kick can be much more subtle. One of my friends when rigging a new 2-3 wt. line cuts off the factory welded loop and attaches the leader with a 2-turn needle knot. He feels the welded loop “kick” just a bit and doesn’t like that. Line/leader attachments often result in a little lump of mass right where we don’t want it. But with the right leader butt and attachment method, the transition from line to leader can be made very smooth.