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  • [SPAM] TRAJECTORY, MORE



    Walter & Group:
     
    Some banter on TRAJECTORY to make us think:-
     
     
    Howdy Gordy
     When you cast side arm and your rod is horizontal or near Horizontal is your loop in a vertical orientations or a  horizontal? I can cast from a side arm with a Vertical loop plane or horizontal.
      Now if we are talking trajectory are we not still talking the line from loop to loop?
    Weather the path is raising from the back loop to the front loop or How much it is rising would still be the trajectory of the cast. You might even have a downward trajectory. It is the angle from horizontal  weather up or down is still the trajectory of the cast. Is it not?
     
    ol Al
     
     
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    ol Al...
     
    No it is not the angle from horizontal, up or down, as I see it.  Mac Brown does see it that way.  I look at it, not with respect to the loop which can be vertical or horizontal even when casting in the horizontal rod plane, but that trajectory is related to the rod plane itself.
     
    Depends upon how one wishes to define it, you see.  I suspect that I'm in the minority on this one though it helps me in my thinking of casting mechanics.  None of the other authors in the writings I've checked make a statement of relationship of trajectory or line plane to anything......but leave us with the assumption that it is related to the ground or water simply because they are all depicting it with the caster using a vertical rod plane.  I find it stimulating to challenge this line of thinking.
     
    If you look at it the way Mac Brown does (relating it to the ground), then one can cast with a strictly horizontal rod plane and still have a high line back cast and a low line forward cast or vice versa, or both could be level with respect to the ground.  That's probably the least complicated way to look at it.
     
    Problem is, as with many casting terms, that there are multiple definitions depending upon the definer.  This is why we've been working so hard with our CBOG Glossary committee ...... to come up with an, "official" FFF glossary of terms so we end up all using the same language.
     
    We could, for example, use the term, "line plane" in relating to the ground, and, "trajectory" to relate to the rod plane....or vice versa.....or we could agree to treat them as synonyms and relate them to either.
     
    Gordy