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Search found 2113 matches

by Merlin
Wed Feb 21, 2024 1:56 pm
Forum: Flycasting
Topic: Dissecting the haul
Replies: 259
Views: 6265

Re: Dissecting the haul

Hi Phil I don't understand this. No matter how late I attempt to haul, if I haul abruptly and very quickly, I create either a tailing loop or at the very least, an upward kick of the fly at the end of the layout. Doesn't this mean the rod bent more if to get this result? The rod does bend more due t...
by Merlin
Mon Feb 19, 2024 4:27 pm
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3423

Re: Evaluating the Haul

Hi Walter I tested two scenarios for calculating a haul distance in simple conditions: • Back cast: starting at 45 degrees from vertical, hands in the same place, 90 degrees rotation of the rod backwards; 90 degrees rotation of the forearm forwards. Both rotate around a single elbow. In the end the ...
by Merlin
Mon Feb 19, 2024 4:06 pm
Forum: Tackle
Topic: The most accurate fly rod
Replies: 69
Views: 1717

Re: The most accurate fly rod

The graphic in post #1 showed on the right side is relevant of a spine issue, and the graphic on the bottom is relevant of a stability issue, two different things. An uncontrolled spine can exhibit lateral displacement of the tip whilst oscillating, and the cause is in the butt section of the rod (c...
by Merlin
Sun Feb 18, 2024 3:24 pm
Forum: Flycasting
Topic: Fly Rods - slow or fast action
Replies: 58
Views: 2182

Re: Fly Rods - slow or fast action

Hi Bernd

Something like that?
virtual shootout.JPG
virtual shootout.JPG (30.45 KiB) Viewed 291 times
Merlin
by Merlin
Fri Feb 16, 2024 2:14 pm
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3423

Re: Evaluating the Haul

Hi Walter I'm refering to yourpost #3: It’s a common idea that peak hauling speed should occur at peak tip speed for maximum overall line speed but is that really true given that the haul delays rod unloading and tip speed will keep increasing during rod unloading meaning that maximum tip speed will...
by Merlin
Wed Feb 14, 2024 3:09 pm
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3423

Re: Evaluating the Haul

Hi Walter There is some issue with the distances you are using. Let’s say the stripping guide is 0.5m from rod hand. If I follow your scheme the final distance in between hands is also 0.5m. That is pretty small, it should be about 1.5m for a large haul for example. Everything in between is possible...
by Merlin
Sun Feb 11, 2024 8:52 am
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3423

Re: Evaluating the Haul

It is interesting to note that in the case of Lasse, the distance corresponding to the haul is close to the amplitude of his extended arms. At the beginning of each haul, the distance between haul hand and stripper guide should be reduced if possible, but there is a practical limitation I think. An ...
by Merlin
Sun Feb 11, 2024 8:29 am
Forum: Flycasting
Topic: Defining Haul
Replies: 43
Views: 1132

Re: Defining Haul

Cane rods were available from the beginning of the 20th century. Hollow rods appeared by 1931 (Powell) and 1936 (Winston), produced by west coast rodbuilders. Hedge was known to use Winston rods, but he likely used Powell rods before. Hollow rods were designed for competition purposes. Their lower w...
by Merlin
Fri Feb 09, 2024 1:50 pm
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3423

Re: Evaluating the Haul

Hi Walter

There are something like 6 threads opened on hauling at this time, for something which has already been studied in the past, an example:
http://www.sexyloops.co.uk/theboard/vie ... 242#p75242

I wonder if this is not a bit too much.

Merlin
by Merlin
Mon Feb 05, 2024 5:59 pm
Forum: Flycasting
Topic: Defining Haul
Replies: 43
Views: 1132

Re: Defining Haul

The FFI definition is ok for me. If there can be a consensus on another one, why not, but I do not see the usefulness of it.

It’s all in learning.

Merlin

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