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## Search found 25 matches

Tue Mar 27, 2018 11:15 am
Forum: Flycasting Physics
Topic: Upward Force from Form Drag
Replies: 753
Views: 99915

### Upward Force from Form Drag

I think what we need do is suspend Stuntman Ronan by his feet from a high bridge and ask him to cast upside down. That should prove it one way or another. Cheers, Paul The fly leg will still follow the vector of the force that created it. I think we can see this in some of those collision videos wh...
Mon Mar 26, 2018 9:13 pm
Forum: Flycasting Physics
Topic: Upward Force from Form Drag
Replies: 753
Views: 99915

### Upward Force from Form Drag

Beh........I'm wrong and retract my postulate. The idea that tension in the rod leg supports the fly leg is just stupid.....as Graeme rightly pointed out before I started all this blabbing. Instead, tension is just the result of the force pulling the fly leg up against gravity. What must be happenin...
Mon Mar 26, 2018 2:22 pm
Forum: Flycasting Physics
Topic: Upward Force from Form Drag
Replies: 753
Views: 99915

### Upward Force from Form Drag

Hi Merlin First my apologies. I'm sure I'm using physic(al) terms carelessly and that creates confusion. Second I am too stupid to know how to draw or manipulate images on a computer. I don't think tension is a force......is it? I thought it was the result of two opposing forces connected through a ...
Sun Mar 25, 2018 6:30 pm
Forum: Flycasting Physics
Topic: Upward Force from Form Drag
Replies: 753
Views: 99915

### Upward Force from Form Drag

George If I look at the first cast in this sequence, I see the fly leg travelling under it's own momentum until it hits the net, when the fly leg passes the net it maintains it's trajectory. The loop reforms underneath, not in it's original configuration: https://www.youtube.com/watch?v=XSm7c5B1upQ...
Sun Mar 25, 2018 6:22 pm
Forum: Flycasting Physics
Topic: Upward Force from Form Drag
Replies: 753
Views: 99915

### Upward Force from Form Drag

And besides all that, the Big Question still hasn't been answered: if a vertical loop lifts the line, why doesn't a sideways loop make the cast veer sideways? Cheers, Graeme Thanks for asking it, Graeme, I was confused but I think I answered it in the above thanks to your video. It isn't the upward...
Sun Mar 25, 2018 5:50 pm
Forum: Flycasting Physics
Topic: Upward Force from Form Drag
Replies: 753
Views: 99915

### Upward Force from Form Drag

I think, Vince, that Graeme or Merlin or others can answer this better than I. I suspect the angular momentum transmitted and magnified through the rod as the loop is formed is conserved and like a gyroscope tries to stay in the plane in which it was created. Like in the video that Graeme posted of ...
Sun Mar 25, 2018 3:23 pm
Forum: Flycasting Physics
Topic: Upward Force from Form Drag
Replies: 753
Views: 99915

### Upward Force from Form Drag

I apologize if my stupidity is trying anyone's patience, and I welcome any criticism that helps me to understand. Graeme, when I watch your video above I see the fly leg initially dropping rapidly with gravity until the rod leg comes under tension at which point it starts to climb rapidly. Do you ag...
Sun Mar 25, 2018 11:16 am
Forum: Flycasting Physics
Topic: Upward Force from Form Drag
Replies: 753
Views: 99915

### Upward Force from Form Drag

Hi George, In answer to the first, yes, the cast remains aloft regardless of the loop orientation. In answer to the second, you're going up after hitting the curb in the same way a pole vaulter goes up after setting the pole. Both the pole and the bike are "stiff" objects but most importantly, ther...
Sat Mar 24, 2018 2:47 pm
Forum: Flycasting Physics
Topic: Upward Force from Form Drag
Replies: 753
Views: 99915

### Upward Force from Form Drag

On most other fishing forums I go by the name, "numbskull"............I'm regretting not keeping it for this one. First, when made with the same initial trajectory and velocity relative to the ground, does a horizontal loop cast remain in flight as long as a vertical cast? How about an inverted cast...
Sat Mar 24, 2018 1:20 am
Forum: Tackle
Topic: Long belly #6 WF lines
Replies: 35
Views: 10723

### Long belly #6 WF lines

Merlin wrote:Hi George

There is unfortunately no official rod rating (see here) ,

Merlin
Merlin