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Search found 556 matches

by Dirk le Roux
Sat Jan 13, 2024 9:35 am
Forum: Flycasting
Topic: SLP
Replies: 140
Views: 3754

Re: SLP

Paul Arden wrote: Fri Jan 12, 2024 3:09 pm I might still have the original files in my laptop. The line starts to travel up the rings pre-RSP.
Hi Paul

I checked - Line shoots pre-RSP on your backcasts, but on none of the forward casts in that video.

All the best,
DIrk
by Dirk le Roux
Sat Mar 25, 2023 6:57 am
Forum: Flycasting
Topic: Method / timing forward haul 170
Replies: 10
Views: 1491

Re: Method / timing forward haul 170

Hi Ron Looking at the launch forward casts, if you compare line hand positions relative to the backgound, thus spatially, it appears to me that both Bernt's and Paul's line hands marginally move backward during the slide phase. By the time their hands are closest together, haul not started yet, both...
by Dirk le Roux
Wed Mar 01, 2023 8:47 pm
Forum: Flycasting Physics
Topic: A Loaded Question
Replies: 37
Views: 4472

Re: A Loaded Question

Correction - modulus, not moment, of elasticity
by Dirk le Roux
Wed Mar 01, 2023 7:37 pm
Forum: Flycasting Physics
Topic: A Loaded Question
Replies: 37
Views: 4472

Re: A Loaded Question

Hi George That is a really good question. Your pictures illustrate the same weight’s ability to bend or buckle the same rod to varying degrees in different supported orientations. Additional to the force vector angular component aspect as Walter explained, there are some structural terms to consider...
by Dirk le Roux
Thu Jan 26, 2023 7:03 pm
Forum: Flycasting
Topic: Single handed distance roll casting
Replies: 554
Views: 25923

Re: Single handed distance roll casting

Hi all Just another 2c on Macauley's example. Stroke - you can see the two casts had quite different hand paths, the (green) narrow loop path being straighter. Macauley paths.jpg As a few of you alluded to, the "hit" on the wide-loop cast was earlier: Macauley wide start.jpg Also, interest...
by Dirk le Roux
Sun Jan 15, 2023 8:05 am
Forum: Flycasting Physics
Topic: Some questions about Delayed Rotation/ rotational hit
Replies: 15
Views: 2269

Re: Some questions about Delayed Rotation/ rotational hit

Hi Paul So firstly I’ve often wondered if Rotation-only after MCL is preferable to Rotation with Translation because of increased air resistance on the rod tip with translation. Certainly we have some very long casters who try to rotate-only after this point. It would help if you can clarify the poi...
by Dirk le Roux
Sat Sep 17, 2022 8:46 am
Forum: Teaching
Topic: How we learn to Move. Rob Gray.
Replies: 94
Views: 6053

Re: How we learn to Move. Rob Gray.

Brilliant, thanks Mark!

Does it involve stepping?
by Dirk le Roux
Sat Sep 17, 2022 6:23 am
Forum: Teaching
Topic: How we learn to Move. Rob Gray.
Replies: 94
Views: 6053

Re: How we learn to Move. Rob Gray.

VGB wrote: Wed Sep 14, 2022 9:25 am I also unashamedly stole Mark's dance.
Hi Vince

Sounds intriguing. What is Mark's dance?

All the best,
Dirk
by Dirk le Roux
Sat Sep 03, 2022 5:14 am
Forum: Flycasting Physics
Topic: Constant Acceleration
Replies: 111
Views: 7843

Re: Constant Acceleration

If you focus on the apparently straight top leg of parabolic plot it looks straight, but it is more likely a mere continuation of the bottom curvy part. James is right. To instantly start at a target constant* acceleration requires a huge jerk, a jack rabbit start. There's no such thing as constant ...
by Dirk le Roux
Fri Sep 02, 2022 11:09 am
Forum: Flycasting Physics
Topic: Constant Acceleration
Replies: 111
Views: 7843

Re: Constant Acceleration

Here you go: https://www.sexyloops.com/articles/perfectloop.shtml Quest for the Perfect Loop by Bruce Richards "- The rate of acceleration of the rod butt must be as close to the same at the beginning of the stroke as it is at the end. Yes, the rod will be going much faster at the end than the...

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