The Physics Of Fishing 2024

Quarry Man reply :

I am doing a project on the physics of fishing. I already have several ideas of how it relates to fishing, but wanted to see what you guys could come up with first. Thanks!

frogflogger reply :

I would be interested in your findings.

NHBull reply :

Depending on how deep you plan on going, this could be a big project. One of my students did something similar for his Senior Honors Thesis, and really had to dial it down and get specific.

Fist thing I would do is to reach out to some custom rod builders and expand from there.

Good luck!

Koz reply :

F=mA

Where F = # of fish caught

m = Money invested

A = Angler Ability

Just a little Newtown's Second Law pun there for those that are not physics savvy.

bigbill reply :

Cover the bass as predators. Like a cat they may strike or sit back. Bass aren't much different. Each cat is different and some can be aggressive or laid back.

physics, it it looks alive they will strike it. Maybe? Think like a cat it could take many casts to make them strike. But a attacking frenzy may occur too.

ever play with a red dot laser with a kitten?

how about adding Dr. Loren Hills ten year research into what colors the bass sees and the development of the color C lector and combo C lector? You know the bass are there but not biting.

Just some ideas for you.

scaleface reply :

I feel something on the end of my line . It is both a bass and a twig . Only after I set the hook does it actually become a bass or a twig .

MickD reply :

One area that is tight enough and is definitely ruled by the laws of physics is casting distance as affected by rod length, power, action, line characteristics, guide design (diameter of the ring, type of ring, height of ring, angle of ring with respect to the reel axis or line guide,) casting reel vs spinning reel, etc etc etc .

While writing this I see that it too is probably too wide open. If I were going to do a project like this I would restrict it to a few of the variables.

Much of what's being talked about here is not physics.

WRB reply :

Stay with classical physics, the observable world of mechanics, Newtons laws of physics. Reels, rods, lures, sound waves etc, then apply those mechanics to fishing.

Tom

BassWhole! reply :

On 10/8/2017 at 11:43 PM, scaleface said:

I feel something on the end of my line . It is both a bass and a twig . Only after I set the hook does it actually become a bass or a twig .

And you will know it's speed OR position....

Quarry Man reply :

On 10/8/2017 at 7:35 PM, frogflogger said:

I would be interested in your findings.

I will keep you up to date.

I was thinking of rods, reel bearings, smallmouth jumping out if the water, boat weight vs speed, and fish finders.

thanks for the help. please continue to give any advice. If you are interested in my findings, please follow this thread. i will update it occasionally.

MassYak85 reply :

One thing I've always wanted to do is measure the affects of different variables on line breaking strength, such as UV exposure, kinks (like those at the top guide when the rod has been stored for a while with the lure), water absorption, etc. Not sure if that falls in line with what you're trying to do.

Quarry Man reply :

Yeah, that sounds like a great idea for my experiment.

On 10/9/2017 at 1:48 AM, MassYak85 said:

One thing I've always wanted to do is measure the affects of different variables on line breaking strength, such as UV exposure, kinks (like those at the top guide when the rod has been stored for a while with the lure), water absorption, etc. Not sure if that falls in line with what you're trying to do.

My biggest problem so far has been finding reliable sources. I am not supposed to use .com at all. If i could, id just use this forum and id be done. Would any of you guys be willing to be direct sources?

Quarry Man reply :

I need info on centrifugal braking, magnetic braking, line, and fish shape, also why they jump. If you know about these topics and are willing to be a source let me know!

MickD reply :

There is really a lot of good fishing info on this forum, but using it as a source of reliable physics information would not, in my opinion, work. I don't know how you would "qualify" your sources.

Quarry Man reply :

On 10/9/2017 at 2:31 AM, MickD said:

There is really a lot of good fishing info on this forum, but using it as a source of reliable physics information would not, in my opinion, work. I don't know how you would "qualify" your sources.

I was thinking of just citing the people directly. That would look more professional and still allow me to get the info. Its a shame how we know that this forum is very reliable, but I can't use it.

Bruce424 reply :

Least amount of force to penetrate a flipping hook. With a constant of 15 ft of x# mono or fluoro...

WRB reply :

You can use the Internet to search for published white papers with references on each topic of interest.

Tom

flyfisher reply :

On 10/9/2017 at 1:49 AM, Quarry Man said:

Yeah, that sounds like a great idea for my experiment.

My biggest problem so far has been finding reliable sources. I am not supposed to use .com at all. If i could, id just use this forum and id be done. Would any of you guys be willing to be direct sources?

That seems very difficult to do given the technological age we live in and the digital resources that are out there.

So after reading through the posts are you doing an actual experiment or are you merely doing research and compiling that information into a presentation?

bigbill reply :

How about the forces of the strike between LMB and SMB.?

i find the river bass are stronger than the pond and lake bass.

MIbassyaker reply :

I want to see a physics validation of the "hinge-effect" of using a snell knot on a flipping hook. And you have to show your work.

But seriously, see if you can find the book The Scientific Angler by Paul Johnson. It's old (mid 80s) but it provides a good overview of a number of scientific topics related to fishing.

BassWhole! reply :

On 10/9/2017 at 2:31 AM, MickD said:

There is really a lot of good fishing info on this forum, but using it as a source of reliable physics information would not, in my opinion, work. I don't know how you would "qualify" your sources.

So the Cosmic clock calendar predictor thing is out?....

WRB reply :

On 10/9/2017 at 8:30 AM, reason said:

So the Cosmic clock calendar predictor thing is out?....

No physics lessen, my opinionated bass behavioral lessen yes.

Tom

Quarry Man reply :

On 10/9/2017 at 3:12 AM, flyfisher said:

That seems very difficult to do given the technological age we live in and the digital resources that are out there.

So after reading through the posts are you doing an actual experiment or are you merely doing research and compiling that information into a presentation?

This marking period is just resaerch, next is a paper, then an expirement, and finally a presentation.

toni63 reply :

Light penetration in water and or line visibility in water. Like, tell me at what depth do different lines disappear.

Or fluifd dynamics as they pertain to lure movement and depth. Lures in water are all about physics.

jbmaine reply :

You cast a lure with all your might. It goes X distance. You immediately feel a tic,pull, or see a fish rise on it. You set the hook with all your might, and miss the fish. Your lure comes sailing back at you, and goes past you to land on the other side of the boat in the water. This = X + distance past you. Given that X + distance past you is greater than X than by the law of fish physics, would we all cast further if we cast backwards?

IndianaFinesse reply :

Don't know if this would count as physics or not, but this thread has some interesting research on line stretch/elongation/wet/dry etc. A good read even if you don't use it in your project https://www.bassresource.com/bass-fishing-forums/topic/171709-annual-line-stretch-test-updated-2016/

Sifuedition reply :

On 10/9/2017 at 10:30 AM, jbmaine said:

You cast a lure with all your might. It goes X distance. You immediately feel a tic,pull, or see a fish rise on it. You set the hook with all your might, and miss the fish. Your lure comes sailing back at you, and goes past you to land on the other side of the boat in the water. This = X + distance past you. Given that X + distance past you is greater than X than by the law of fish physics, would we all cast further if we cast backwards?

Actually, it is the resistance of the water and/or fish gripping the bait that allows it to travel further towards you than it did away from you. The resistance "loads" the rod tip more than it did with the weight of the lure alone when you casted. Newton's third law.

Edit: Sorry, didn't know if you were being facetious to be funny or if you were actually curious.

Edited October 9, 2017 by Sifuedition
Clarification

jbmaine reply :

On 10/9/2017 at 10:56 AM, Sifuedition said:

Actually, it is the resistance of the water and/or fish gripping the bait that allows it to travel further towards you than it did away from you. The resistance "loads" the rod tip more than it did with the weight of the lure alone when you casted. Newton's third law.

Edit: Sorry, didn't know if you were being facetious to be funny or if you were actually curious.

It's fine, When it comes to fishing I never take it too serious. To me being too serious takes the fun out of it. When my wife and I go fishing, if we catch fish or not, so long as we can laugh and enjoy each others company, it's a good day.

Jim

thinkingredneck reply :

There are a couple of interesting books out about color absorption and depth of water.

J Francho reply :

I'd take the easy way out and stick to something simple, like showing the different class levers we use when fishing, and which class would be better in each situation. Like, a class 2 would be better when fighting a fish.

BassWhole! reply :

Here's a couple of suggestions for your paper,

-infinite number of Quantum mechanics and they still can't get this POS reel to work right.

-string theory applications for copolymers.

-non repeating, non ending number of lure purchases and their effect on space time. (The space in your garage, and the time your wife said "more tackle?!")

Fishing Rhino reply :

Physics deals with forces, movement, and resistance. There are three machines, pulleys, levers, and inclined planes. Think of the rod as a lever, and go from there. Where is the fulcrum, where is the force, and where is the resistance.

A class one lever has the fulcrum (pivot) in the middle like a see/saw. The second class lever has the fulcrum at an end and the force at the other end, and the resistance in the middle. The third class lever has the fulcrum at one end, the force in the middle, and the resistance at the other end.

The problem with fishing, be it casting or fighting a fish is that the type of lever, and the forces are constantly changing and moving. For instance, in casting the fulcrum can be the wrist(s), or the elbow, or possibly the shoulder, or a combination thereof. The length of the lever (rod) changes as it flexes. The fulcrum can change as well. Most of the time the wrist or elbow will be the fulcrum.

Pick up your rod, and go through the motions of casting. Try various types of casts to see where the fulcrum is, wrist, elbow or shoulder. Because these are linkages, the fulcrum may change. The length of the rod will change as it flexes (shortens) or straightens out (lengthens).

Then put a weight on your line and imagine fighting a fish. See how the arms, hands, wrists, move. Some levers are static, where things move but the fulcrum, resistance, and force are always in the same place on the lever.

Fishing is dynamic, in a state of flux. An interesting assignment.

J Francho reply :

^ Exactly why I thought lever would be a good starting point. Thanks for that write up, Rhino!

HookRz reply :

I've always thought the physics of jig fishing is important to understand. That is how line diameter and type, jig weight, skirt/dressing or not, trailer type, distance of cast, affect fall rates. Add speed of retrieve when swimming a jig. Vital stuff to understand and applicable to everything from flipping and pitching to swimming a crappie jig.

Ive always found the right fall rate, swimming speed and depth control to be far more important than things we obsess over like color.

Fishing Rhino reply :

On 10/18/2017 at 8:53 PM, HookRz said:

I've always thought the physics of jig fishing is important to understand. That is how line diameter and type, jig weight, skirt/dressing or not, trailer type, distance of cast, affect fall rates. Add speed of retrieve when swimming a jig. Vital stuff to understand and applicable to everything from flipping and pitching to swimming a crappie jig.

Ive always found the right fall rate, swimming speed and depth control to be far more important than things we obsess over like color.

On 10/18/2017 at 8:44 PM, J Francho said:

^ Exactly why I thought lever would be a good starting point. Thanks for that write up, Rhino!

You're welcome.

BassWhole! reply :

On 10/18/2017 at 8:53 PM, HookRz said:

I've always thought the physics of jig fishing is important to understand. That is how line diameter and type, jig weight, skirt/dressing or not, trailer type, distance of cast, affect fall rates. Add speed of retrieve when swimming a jig. Vital stuff to understand and applicable to everything from flipping and pitching to swimming a crappie jig.

Ive always found the right fall rate, swimming speed and depth control to be far more important than things we obsess over like color.

I'm on the other camp. The less you think about it and let it happen, the more you will get to the desired effect. Geese navigate expertly, and draft behind each other forming echelons, even taking turns at the front in order to successfully migrate, haven't checked, but I'm pretty sure none have degrees, understand aerodynamics, or attended fighter pilot school. All Ravens are black. Or are they? Now I gotta go stare at one of those Mandelbrot set colidascope thingies...

BobP reply :

Like NHbull said, you need to dial down the scope of your research and pick a smaller topic or you will be overwhelmed. I could see a 100 page master’s thesis written just about the physics of casting distance. Fishing info is chock full of anecdotal information based on personal experience, which is not a reliable basis for drawing scientific conclusions. It may be interesting. It might even be correct. But it ain’t science.

Ratherbfishing reply :

To warm up your audience, tell them this joke:

Did you hear about the nuclear physicist who went on vacation? He put a sign on his door which said "Gone Fission."

The Bassman reply :

A body at rest tends to stay at rest and a body in motion tends to stay in motion. Now there's a physics lesson to apply with winter coming.

Pro Logcatcher reply :

Do the speed of the lure flying at my face when I set the hook on a rock.

BCline reply :

You could look at wind speed and direction as a function of the speed of lure fall for common plastics with varied slip weights. I am certain I get more hits on the fall when fishing a cross-wind than during a head or tail wind due to this effect.

11113

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