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by Merlin
Sun Mar 31, 2024 7:37 am
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3081

Re: Evaluating the Haul

Hi Walter The translation speed, like others, is the absolute speed (along the path). In this case the path is nearly horizontal: Paul 170 FC paths.JPG The important point is the timing of events: translation peak speed at 0.792 s rotation peak speed at 0.834 s haul peak speed at 0.871 s line hand p...
by Merlin
Fri Mar 29, 2024 9:42 pm
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3081

Re: Evaluating the Haul

There is something like a factor 2 by comparison with the record. Could you please plot speeds (rotation, translation and line hand).

Many thanks in advance

Merlin
by Merlin
Fri Mar 29, 2024 4:04 pm
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3081

Re: Evaluating the Haul

Correct Walter. That is about 900 deg/s in a very short time, typical of a competition cast.

Merlin
by Merlin
Fri Mar 29, 2024 1:56 pm
Forum: Flycasting
Topic: glass vs graphite
Replies: 56
Views: 1351

Re: glass vs graphite

Carbon fibers are somehow brittle, it is the commercialisation of nanoparticles in resins which improved their resistance to shock.

Merlin
by Merlin
Fri Mar 29, 2024 1:52 pm
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3081

Re: Evaluating the Haul

Hi Walter

FWIW here are the speed profiles for a 170 forward cast from Paul. Maybe you could take inspiration from these data to define your scenarios:
speeds history.JPG
speeds history.JPG (37.17 KiB) Viewed 188 times
Merlin
by Merlin
Mon Mar 25, 2024 4:13 pm
Forum: Flycasting
Topic: Fly casting paradox (number 1)
Replies: 7
Views: 359

Re: Fly casting paradox (number 1)

And gravity

Merlin
by Merlin
Mon Mar 25, 2024 10:13 am
Forum: Flycasting
Topic: Fly casting paradox (number 1)
Replies: 7
Views: 359

Re: Fly casting paradox (number 1)

Air Drag

Merlin
by Merlin
Sun Mar 24, 2024 3:56 pm
Forum: Flycasting
Topic: glass vs graphite
Replies: 56
Views: 1351

Re: glass vs graphite

I think we are reinventing the wheel, this topic has likely been discussed many times. Rod design is obviously depending on material characteristics (I disagree with Lasse on this point, if we are speaking of the same thing). Scott have been making (small) glass rods for years, I own two of them, bu...
by Merlin
Sun Mar 24, 2024 3:32 pm
Forum: Flycasting - 2 handed
Topic: does balancing a rod have and effect on casting?
Replies: 15
Views: 892

Re: does balancing a rod have and effect on casting?

You may ask John Waters about balance, it is a complex issue, and certainly not a static test one.

Merlin
by Merlin
Mon Mar 11, 2024 3:49 pm
Forum: Flycasting Physics
Topic: Evaluating the Haul
Replies: 98
Views: 3081

Re: Evaluating the Haul

It looks like that Gordy
Paul vs Henry BC.JPG
Paul vs Henry BC.JPG (30.59 KiB) Viewed 294 times
Merlin

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