Walter...
My comments in BOLD CAPS in your reply.
Gordy
From: WALTER/SUE SIMBIRSKI <simbirsw@xxxxxxx>
To: Gordon Hill <hillshead@xxxxxxx>
Subject: Re: RE: Tracking Clarification
Date: Thu, 02 Feb 2006 07:26:07 -0700
Gordy - more confusion from me. I think of tracking as the ability to
follow a chosen path or track. Tracks can be 3 dimensional but its
usually the horizontal variations that we think of (e.g. when we talk
about a river's track we mentally think of how it meanders - not how
much vertical variation there is). Since we are talking about planes
the track would be the path of the rod tip through the plane which
is perpendicular to the rod plane. ....WELL, THAT IS WHAT BRUCE SAID WHEN HE REFERRED TO THE COMMON USE OF THE TERM AS HE SEES IT. I CAN'T QUARREL WITH THAT INTERPRETATION.GORDY
But then again I'm not a fan of the use of the word plane. It's every
bit as restrictive as casting with a $5 bill (soon to be a coin in
Canada I hear) between your elbow and side. THE USE OF PLANES, HOWEVER, IS ONE USABLE WAY OF DESCRIBING THINGS. IF WE DON'T STICK TO THAT TERMINOLOGY, THEN WE NEED SOME OTHER WAY OF EXPRESSING OURSELVES SO WE'RE ALL ON AS COMMON A GROUND AS POSSIBLE.GORDY
Walter
From: Gordon Hill <hillshead@xxxxxxx>
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Subject: RE: Tracking Clarification
Date: Thu, 02 Feb 2006 08:57:12 -0500
Bruce.....
Thanks. That puts things in perspective.
Gordy
From: bwrichards@xxxxxxx
To: "Gordon Hill" <hillshead@xxxxxxx>
CC: homesforall@xxxxxxxxxxxx
Subject: RE: Tracking Clarification
Date: Thu, 2 Feb 2006 08:08:16 -0500
Interesting question and one more example of how terminology can cause
confusion. I think that most people, me included, think of tracking as
horizontal tip motion as opposed to vertical. As with most terms, what
tracking really is all depends on how it is defined, and there is no
official definition. Obviously "tracking" could refer to the path of the
rod tip in any plane, or only one. As it is most commonly used today,
tracking is horizontal tip motion (understanding that "vertical" would be
relative to the plane of the rod at the beginning and end of a stroke).
If we chose to define tracking in terms of the loop legs, with perfect
tracking resulting in parallel top and bottom legs, then tracking would
refer to the tip path in all planes, not just horizontal. Big loops don't
have parallel legs, nor do tailing loops, and the tip path is not straight
in either.
So, until this term gets an official definition, it could mean one plane,
or two, although common usage considers only one.
As I see it anyway....
Bruce
Scientific Anglers/3M
4100 James Savage Rd.
Midland, MI 48642 USA
Tel: 989-496-1113
Fax: 989-496-3374
"Gordon Hill"
<hillshead@xxxxxx
m> To
homesforall@xxxxxxxxxxxx
02/01/2006 06:19 cc
PM bwrichards@xxxxxxx
Subject
RE: Tracking Clarification
Jim....
Unfortunately, no one in the fly casting literature has actually defined,
"tracking" (as far as my reading has taken me.)
I have been using the word to mean SLP of the rod tip in all planes....(Not
simply in the vertical rod plane.)
A few have used it to mean, "parallel loop legs".
Let's invite Bruce Richard's opinion.
Gordy
From: "homesforall" <homesforall@xxxxxxxxxxxx>
To: "'Gordon Hill'" <hillshead@xxxxxxx>
Subject: Tracking Clarification
Date: Wed, 1 Feb 2006 14:43:55 -0500
Gordy,
Would you please clarify â??Trackingâ?? ?
My understanding has always associated tracking with accuracy and as such
required that the rod leg and fly leg of the unrolling loop be aligned in
a parallel plane.
That is, a parallel loop plane one directly above the other, as compared
to out of plane which causes a rotational error and the fly will rotate
as it approaches and unrolls to the target.
Jim V