Re: {Tidal Potomac Fly Rodders} Noob Question: Line Choice

This article? - http://www.scientificanglers.com/choose-right-fly-line-weight/. This actually makes sense...

"There is a second situation where a lighter than normal line will help you if you are a fairly good caster. The wind is blowing and you need to reach out to a distant target. Many try to solve this common problem by using a line one size heavier. The usual thinking is that a heavier line allows them to throw more weight and, they hope, get more distance. Actually, going to a heavier line means that they complicate the problem.

On a cast, the line unrolls toward the target in a loop form. The larger the loop, the more energy is thrown in a direction that is not at the target. When fishermen overload a fly rod with a line heavier than the manufacturer calls for, they cause the rod to flex more deeply, which creates larger loops on longer casts. Overloading the rod wastes casting energy by not directing it at the target.

If you switch to a lighter line, you may not have enough weight outside the rod tip to cause the rod to load or flex properly — if you hold the normal amount of line outside the rod during casting. But if you extend this lighter line about 10 feet or a little more outside the rod than you normally would for this cast under calm conditions, you can cast a greater distance into the wind. By extending the additional amount of lighter line outside the rod, you cause it to flex as if you were false casting the normal length of the recommended line size.

Since the rod is now flexing properly, it will deliver tight loops, but the lighter line is thinner. This means that there will be less air resistance encountered on the cast."

On Tuesday, October 27, 2015 at 12:34:33 PM UTC-4, TurbineBlade wrote:

I read some Lefty article where he was saying that it is better to "underline" a rod by a weight for windy conditions because the smaller diameter of lighter weight fly lines "cuts the wind" better. 

Of course, physics says that this is indeed true, but is more than compensated for by the increase in mass that you get with heavier fly lines.  Go stand on a windy SW flat with a 6-weight and an 8-weight and let me know how it goes. 

I stopped reading his articles after that. 

Gene

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