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Thread: 4 or 5

  1. #1

    Default 4 or 5

    So how much difference is there between a 4 and a 5 for trout? Let me put it this way. If I get a 4wt, what kinds of circumstances will make be wish I had a 5?

  2. #2

    Default Re: 4 or 5

    I don't have an answer for you, but I was just going to post the same thing between the 3 and 5 wt rods... I guess I'll be watching this thread as well!

  3. #3
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    Default Re: 4 or 5

    Quote Originally Posted by drnihili View Post
    So how much difference is there between a 4 and a 5 for trout? Let me put it this way. If I get a 4wt, what kinds of circumstances will make be wish I had a 5?
    - Wind
    - Casting larger flies
    - Fighting larger fish

  4. #4

    Default Re: 4 or 5

    So, assuming at most a light wind, how big a fly or fish would leave me wishing I had a 5?

  5. #5
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    Default Re: 4 or 5

    Depending on the maker of the rods, as little as none and as much as the 4 being heavier than the 5. If all rods were rated exactly in the middle of the range for each weight, the difference in what it takes to load the rods is 17 grains or so. That is about the weight of a bit less than 7 pennies. If you put 7 pennies in your hand you can see the amount required to load both rods is not far apart. Now that is if the makers have the rods rated right, and are both in the middle of the rating range. I promise that there is very little chance of that being true. For example, a Fenwick FL-90-5F rated by Fenwick as a 5 is really a 3.7wt. and a Forcast 804-2 4wt. is really a 5.3wt. rod. So when you ask what the difference is, the answer depends on a lot of variables. Who makes the rods? What models are they? In a perfect world, the difference is, it would take a line with a head 17 grains heavier to load the 5wt. than the 4wt. rod. Not a lot of difference, but the 5 would be a bit better with a bigger fly and a bit more wind. Now ask me about the lines, and the monkey business going on there.

    Here is a link to a chart where some rods have been tested to see what they should be rated at. The true rating is under ERN.
    http://www.superbob.org/CC_Data.htm

  6. #6
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    Default Re: 4 or 5

    Quote Originally Posted by drnihili View Post
    So, assuming at most a light wind, how big a fly or fish would leave me wishing I had a 5?
    - It could be a #10 deer hair headed muddler. Think wind resistance.

    - It could be a #10 Slumpbuster streamer that is wrapped with 10 wraps of .020" lead and a matching tungsten conehead. It gets worse when the pine squirl zonker body and tail get soaked.

    - The reality is that you have to consider what materials are being used on the fly. I can throw out a #6 Chernobyl Ant with my 4 weight. I can't throw out a #6 Kaufmann's Stimulator as well because all of that deerhair. To me, a 4 weight is more of a presentation rod and a 5 weight is a do-it-all rod.

    MP

  7. #7

    Default Re: 4 or 5

    Quote Originally Posted by Diver Dan View Post
    Here is a link to a chart where some rods have been tested to see what they should be rated at. The true rating is under ERN.
    http://www.superbob.org/CC_Data.htm
    Excellent!

    Any idea what a March Brown 4wt might rate at? I don't see it on the list, and google seems to be of no help.

  8. #8
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    Default Re: 4 or 5

    Quote Originally Posted by drnihili View Post
    Excellent!

    Any idea what a March Brown 4wt might rate at? I don't see it on the list, and google seems to be of no help.
    Do you have a place you can get a hold of one for a few minutes? If so, take a small plastic bag and a paper clip unfolded into an S. Trap the handle of the rod to something flat, hang the platic bag from the tip with the paper clip and then measure from the tip to the floor. Divide the lenght of the rod by 3 and then add pennies to the bag till you get the tip of the rod 1/3 the length of the rod, closer to the floor. e.g. 9' rod = 3' closer to the floor. Then tell me how many pennies it took to do it.

    I suggest doing this with every rod before you go buy a line.

  9. #9

    Default Re: 4 or 5

    Hmm, don't have a way of testing the March Brown, but I'll definitely try it out on my son's Flextec 5/6. Feels more of a 6 to me, It'll be interesting to see if I'm right.

  10. #10

    Default Re: 4 or 5


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