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by Graeme H
Thu Jun 13, 2013 12:49 am
Forum: Flycasting Physics
Topic: Simplified Casting Physics Document
Replies: 47
Views: 14265

Simplified Casting Physics Document

Please try to find some qualified physicists to participate. Casters describing the physics of casting will be like car drivers describing automobile engineering.

We seem to be good at discussing the experience, but not so good at distilling the physics of the cast.

cheers,
Graeme
by Graeme H
Tue Jun 11, 2013 6:40 am
Forum: Flycasting
Topic: Tenis Elbow
Replies: 64
Views: 16644

Tenis Elbow

just beef up the grip by wrapping tennis grip tape and most if not all your probs will go away. :) +1 Most fly rod grips are too small for men's hands. If your finger tips can touch the heel of your palm when you grip the rod, you need a thicker grip. Tennis grip tape is the easy solution. ( Anythi...
by Graeme H
Sat Jun 08, 2013 10:48 am
Forum: Announcements
Topic: Petition for Aust/NZ Sexyloops Gathering
Replies: 8
Views: 2348

Petition for Aust/NZ Sexyloops Gathering

I'd be in it, but now I feel uncomfortable … :)

Please choose Western Australia! :D
by Graeme H
Mon Apr 29, 2013 11:36 am
Forum: Flycasting Physics
Topic: Casting against the wind?
Replies: 333
Views: 50282

Casting against the wind?

A couple of inane pictures to prove my point and leave the thread with. It has already been established that casting on a beach on a calm day FEELS the same as casting from a moving boat with a tailwind of the same speed for the same reasons that casting into a headwind from the shore feels the sam...
by Graeme H
Mon Apr 29, 2013 4:40 am
Forum: Flycasting Physics
Topic: Casting against the wind?
Replies: 333
Views: 50282

Casting against the wind?

. You simply can't say it's shore for one person and the boat for another. It must be either the moving boat for both, or the shore for both. It's relative! Actually, this statement is wrong. You can indeed switch, provided you relate the velocity of the moving FoR to that of the stationary FoR . G...
by Graeme H
Mon Apr 29, 2013 2:58 am
Forum: Flycasting Physics
Topic: Casting against the wind?
Replies: 333
Views: 50282

Casting against the wind?

As James has been saying all along: You can't measure the speed of an object by itself, it has to be measured relative to something else (this was one of Einstein's realizations) Gordy I have no quarrel with the statement: I agree 100%. I've been saying all along that you can't arbitrarily change t...
by Graeme H
Mon Apr 29, 2013 2:05 am
Forum: Flycasting Physics
Topic: Casting against the wind?
Replies: 333
Views: 50282

Casting against the wind?

Yep, the subjective experience is the same for both.

The boat caster gets a little free distance for being on the boat though.
by Graeme H
Mon Apr 29, 2013 1:31 am
Forum: Flycasting Physics
Topic: Casting against the wind?
Replies: 333
Views: 50282

Casting against the wind?

Imagine the guy on the beach making the same cast, but now we're looking at him from Space. Yep, this is the correct way to view this - as an independant observer with a consistant frame of reference for both casters. The guy on the beach casts 27m from the point of release. The cast is measured fr...
by Graeme H
Sun Apr 28, 2013 11:21 pm
Forum: Flycasting Physics
Topic: Casting against the wind?
Replies: 333
Views: 50282

Casting against the wind?

No problems Paul. I've only got two posts left in me anyway (this one and one tonight with another inane pair of pictures demonstrating that a cast still travelling at 50km/h hasn't been completed and will overshoot if aimed high.) The fascination with conceptualisation I mentioned earlier wore off ...
by Graeme H
Sun Apr 28, 2013 7:31 pm
Forum: Flycasting Physics
Topic: Casting against the wind?
Replies: 333
Views: 50282

Casting against the wind?

James9118 wrote:Again, you don't see how you're mixing up your frames of reference. You're putting a static fish in a moving FofR,
While you happily put the whole world in a Moving FoR and see no inconsistencies with it ...

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