Accurate casting distance data

I made this formula up to determine very accurate casting distance measurements. I also checked out one of my own setups.
My combo is a Loomis S781 IMX rod I built in 5/2003. Reel is Stradic 1000 CI4 spooled with 2# P-Line Premium. Lure is a 1/32oz trout magnet. This is the one using the 1/64 head. I made 25 cast and averaged their results. The test showed my casting distance was 50.6'. I read a lot of discussions about casting distance between different rods and reels. Thought I would share how I evaluate mine. Attachment 380998Attachment 380999

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Interesting. Thank you for this information. I’ll have to try it.

Just make sure to collect all the line slack as accurately as you can before you start counting the revolutions and do these measurements on land, not on water. The method will overestimate the casting distance when applied to casts on water.

I just use a tape measure.

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Originally Posted by deathb4disco

I just use a tape measure.

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Yeah me too....I have the distances marked off out behind the house.

Regards


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I understand what you are saying. I take 25 cast and averaged them. I feel this takes most of the error of the results. Of these 25 casts they all fell between 23 and 25 handle revolutions. That's not much deviation.
I have my distance marked off in my driveway also and did it that way too. Now I just sit down on the bench on my dock and enjoy mother nature. Sometimes I even catch a fish while doing my field testing.

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Originally Posted by s_v

Just make sure to collect all the line slack as accurately as you can before you start counting the revolutions and do these measurements on land, not on water. The method will overestimate the casting distance when applied to casts on water.

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Totally unrelated but a beautiful sunset this evening at our dock. God's quite an artist!Attachment 381009

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My fear is you are measuring plane distance in 2 dimension space (xy axis). You would have to add the drop of the lure as well and subtract from the retrieved distance.

I have come to the conclusion that I can cast a light jig further with .ore accuracy by using dock shooting method at a higher angle.



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If I stop more line from leaving the spool when it hits the surface of the water what difference would it make? I'm measuring the distance in feet from my rod tip to the lure on a horizontal plane.

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Originally Posted by catchNgrease

My fear is you are measuring plane distance in 2 dimension space (xy axis). You would have to add the drop of the lure as well and subtract from the retrieved distance.

I have come to the conclusion that I can cast a light jig further with .ore accuracy by using dock shooting method at a higher angle.



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Originally Posted by z520tom

I understand what you are saying. I take 25 cast and averaged them. I feel this takes most of the error of the results. Of these 25 casts they all fell between 23 and 25 handle revolutions. That's not much deviation.
I have my distance marked off in my driveway also and did it that way too. Now I just sit down on the bench on my dock and enjoy mother nature. Sometimes I even catch a fish while doing my field testing.

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Perhaps I should've been more specific here. I am not referring to random errors, which will inevitably be there and you can indeed reduce their contribution by making multiple casts and averaging them. The overestimation I am referring to is a systematic error, that is, it will not be eliminated no matter how many measurements you take. In simple terms, it is because the line between the tip of your rod and your lure in the water is never straight, to the extent that such systematic error can be almost as much as your real casting distance. It will depend on the depth, thickness of your line, weight and geometry of your lure, and casting distance. The comment from catchNgrease is also related to the same issue.
Also, your line never leaves your spool in a straight line during the cast, so stopping the line as soon as the lure hits the water won't eliminate this systematic error.

I have my yard marked at 30,40 & 50' - this is for UL casting, with 1/64 & 1/32nd jigs. Now, if you use a heavily skirted jig it will shorten your throw. I use 3# nylon line.

s_v. If I had 3 different rods how could I test them to find out which cast the same lure, line and reel the farthest? That is what I am trying to accomplish.


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Originally Posted by z520tom

If I had 3 different rods how could I test them to find out which cast the same lure, line and reel the farthest?

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Tape measure

To each their own, but I'm glad I never knew that figuring out casting distances could be so complicated when I got my first fishing pole 55 yrs ago, or else I probably would've never started fishing. I'm with the tape measure crowd also.

Besides, I gave up on math years ago when they tried sneaking those pesky letters in with numbers back in school.:Rofl

I actually thought that sitting down on my bench at the dock and simply counting the handle revolutions was/is pretty simple. Don't even need a tape measure! Do need the calculator on my phone though!

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Originally Posted by z520tom

s_v. If I had 3 different rods how could I test them to find out which cast the same lure, line and reel the farthest? That is what I am trying to accomplish.


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Your formula and your method can be simplified to do just that – just count the number of revolutions in the case of each rod compared. Most revolutions – probably the longest cast. It will work, no need for the formula, and certainly is a different story, because now you are assessing relative casting distances.

For those who want to know how far their rod, reel, line, and lure combination casts, I stay uncorrected that your original formula and method will overestimate the casting distance on water in feet or any other units for the reasons I outlined earlier.

Thanks s_v. I understanding what you are saying. Took a while for this old man to process it. It DC does make sense to me now.

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Originally Posted by s_v

Your formula and your method can be simplified to do just that – just count the number of revolutions in the case of each rod compared. Most revolutions – probably the longest cast. It will work, no need for the formula, and certainly is a different story, because now you are assessing relative casting distances.

For those who want to know how far their rod, reel, line, and lure combination casts, I stay uncorrected that your original formula and method will overestimate the casting distance on water in feet or any other units for the reasons I outlined earlier.

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I made a mistake in this formula for casting distance. Fellow member s_v kindly pointed it out and I appreciate him doing so. The formula will error on the high side. Sorry for posting it and hope it didn't cause anyone any problems. Guess I will be going back to test casting in my driveway like so many of you guys do already. Attachment 381067

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If I catch fish, I've cast far enough.

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Originally Posted by z520tom

I made a mistake in this formula for casting distance. Fellow member s_v kindly pointed it out and I appreciate him doing so. The formula will error on the high side. Sorry for posting it and hope it didn't cause anyone any problems. Guess I will be going back to test casting in my driveway like so many of you guys do already. Attachment 381067

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No method is without limitations! I learn that every day in my own line of duty.

Test casted the 1/32 trout magnet on my driveway today to determine the difference in the results I got from test cast over water at my dock and using the formula I used.
50.6' over water formula
47.4' over land measured.

Difference was 3.2' or 93.7% less on land. As s_v stated there is a inherent error in my over water formula.









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