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Search found 1919 matches

by Graeme H
Mon Oct 19, 2020 5:18 am
Forum: Teaching
Topic: The practical side of considering loops as waves: Teaching and Self Improvement
Replies: 119
Views: 1916

Re: The practical side of considering loops as waves: Teaching and Self Improvement

And then once you have had a play, please remember the point of this video is to demonstrate that tension in the rod leg is an important part of the cast. It's not an academic exercise - it's a tool to be used during the cast and during teaching. At least, it is for me. If you guys want to ignore it...
by Graeme H
Mon Oct 19, 2020 3:25 am
Forum: Teaching
Topic: The practical side of considering loops as waves: Teaching and Self Improvement
Replies: 119
Views: 1916

Re: The practical side of considering loops as waves: Teaching and Self Improvement

Do I need to take a whole bunch more videos? I chose one of half a dozen casts.

Or you guys can go out and play with it yourself. You've now seen it in action. Please go and experiment for yourselves.
by Graeme H
Sun Oct 18, 2020 5:24 am
Forum: Flycasting Physics
Topic: Analysing loop propagation 2
Replies: 22
Views: 446

Re: Analysing loop propagation 2

Interesting as always Gents, I must have missed it but in a nutshell, what causes the dolphin nose and is the cause the result of rod movement? John Maybe when we can talk about it when we catch up for a beer and a cast John. I'd like to discuss it here, but you know, "bollocks" .... :???: The mode...
by Graeme H
Sun Oct 18, 2020 5:11 am
Forum: Flycasting Physics
Topic: Analysing loop propagation 2
Replies: 22
Views: 446

Re: Analysing loop propagation 2

First we should define what we mean by "analysing loop propagation" I agree with this. Maybe we should begin with a definition of propagation : The act or process of propagating, especially the process by which a disturbance, such as the motion of electromagnetic or sound waves, is transmitted thro...
by Graeme H
Sun Oct 18, 2020 4:53 am
Forum: Flycasting Physics
Topic: Analysing loop propagation 2
Replies: 22
Views: 446

Re: Analysing loop propagation 2

I'd like someone to explain why the angular momentum in the loop disappears when the tension in the rod leg is removed.

That should be a simple one.
by Graeme H
Sun Oct 18, 2020 4:36 am
Forum: Teaching
Topic: The practical side of considering loops as waves: Teaching and Self Improvement
Replies: 119
Views: 1916

Re: The practical side of considering loops as waves: Teaching and Self Improvement

Just thinking about Graeme's claims. instead of throwing the rod forawrd and taking a couple of steps, it's much easier to just use a shootinghead, and thin mono shootingline, and let go, tension should drop even more that way. Cheers Lasse Lasse, cutting the tether is not instantaneous because tha...
by Graeme H
Sun Oct 18, 2020 4:29 am
Forum: Teaching
Topic: The practical side of considering loops as waves: Teaching and Self Improvement
Replies: 119
Views: 1916

Re: The practical side of considering loops as waves: Teaching and Self Improvement

What makes you think it isn't (falling at 1g)? Observation, experimentation, etc. https://vimeo.com/66594606 Why do you think mine and Lasse's non-tethered casts went further than the tethered ones? I'm talking about a wave propagating through a medium. Can you remember what that loop looked like, ...
by Graeme H
Sun Oct 18, 2020 3:35 am
Forum: Teaching
Topic: The practical side of considering loops as waves: Teaching and Self Improvement
Replies: 119
Views: 1916

Re: The practical side of considering loops as waves: Teaching and Self Improvement

I was making short casts today and trying to get the loop to just unroll and then pushing through as Graeme suggests. The loop does indeed form slack on roll out. Whether I’ve changed anything prior to this during the stroke I can’t say 100% but I certainly tried not to - in fact I was trying to pr...
by Graeme H
Sun Oct 18, 2020 12:41 am
Forum: Teaching
Topic: The practical side of considering loops as waves: Teaching and Self Improvement
Replies: 119
Views: 1916

Re: The practical side of considering loops as waves: Teaching and Self Improvement

Thanks for taking a little bit more time Torsten. If there is no tension in the rod leg in these distance events, why is the rod leg not falling at the same rate we'd expect all objects on earth to fall at? Like above, forces acting against the gravity force such as drag force, change of momentum at...
by Graeme H
Sat Oct 17, 2020 3:52 pm
Forum: Teaching
Topic: The practical side of considering loops as waves: Teaching and Self Improvement
Replies: 119
Views: 1916

Re: The practical side of considering loops as waves: Teaching and Self Improvement

James,

When I shoot the video showing the collapse of the loop, I'll make sure the preceding three casts are also captured. I'll use tracker to get the rod tip speed of all four casts and you can decide for yourself if I've made a significantly slower cast on the one that collapses.

Cheers,
Graeme

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