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  • Re: j"Line launch direction"



    Server,

    It so happens that my phone (305) 872-2106 is out of commission at the moment.  Ordinarily I would have the techs out to fix it but tomorrow I will be traveling myself and won't be back until a couple of days after Christmas.

    Back weeks ago, just before I went to Central America to coach some CCI candidates, I had tried to call you without success .... then, frankly, forgot once I got back.

    Some email addresses you requested :

    Ally Gowans :  alastair.gowans@xxxxxxxxxxxxxx

    Aitor Coteron :  aitorcoteron@xxxxxxxxxxxxx

    Mark Surtees :  mark@outbackholdings.co.uk

    You should know that Aitor has decided not to communicate any longer on any blogs or study groups or Sexyloops, etc. for reasons of his own.

    I'm well aware that the most important thing that must occur for most tailing loops is the rise of the rod tip.  In most cases, however, it is the latter part of a concave rod tip path when this happens.  Of course, one can shove the rod tip up at that point and a tail will occur even if there is no concavity of the rod tip path, but that is not the way a neophyte caster is likely to do it.

    We'll discuss all this after I get back.

    A good way to do all this is by Skype.  Do you have this ?

    Best,

    Gordy




    On Dec 20, 2010, at 4:37 PM, Ssadik1@xxxxxxx wrote:

    Hi Gordy,
     
        It's Server.  Several things to talk about.  I have your phone number on my home computer but am traveling for several weeks right now and have been unable to retrieve it.  I would appreciate your forwarding it to me so I can call you in the near future.  I had hoped you were going to call me several weeks ago and now I wish I had made contact with you.  Noting that you did not post my answers to Ally's quiz I am a little concerned and will give a little explanation of my concern later. Also I would like the E-mail addresses for Aitor and Ally and M. Surtee.  I met Aitor very briefly at Conclave but we didn't engage in more than greeting one another.  I have recently studied his GREAT videos and read what I could find that he has writtten recently so I think we would have many thoughts to share.  Same comments for Ally.  It would be useful to have conversations with Surtee because what I read that he has written (its all recent stuff because I am unfamiliar with him otherwise) indicates that he is unfamiliar with what I have written over the last number of years but he has both an interest and familiarity with physics so that a discussion may be useful to both of us.  What I plan to do is E-mail them and ask if they would like to have phone conversations.  We have cable phone service and when I talked with Grunde Lovell it only cost me 7 cents per minute so calling Great Britain should be feasible.
     
        This may have been a mistake but I just made a leap of faith and assumed that Ally's quiz was inspired by both the discussion of tailing loops in November- December and by Aitor's  videos.  The videos are so informative and they pertain directed to the key questions that Ally asks.  I noticed that comments arising in the past and answers to Ally's questions pretty much missed the major points.  These points are that first, the single most crucial physics feature of tailing loops is a rod tip that rises while the rod unloads. (It probably doesn''t matter whether or not the path is concave - you just don't have any choice - if the rod is unloading and the rod is not rotating rapidly enough the path will be concave!).  Second, as I pointed out in my last communication the point of loop formation indicates RSP and if, for example, that was directly above the caster's shoulder it would mean that the rod unloaded to get to that point (and was unloading from a condition of kickback) and the tip had risen to do that.  A substantially loaded rod would mean a large upward movement and upward component of rod tip and near by fly line velocity.  Consequently the position of the rod at loop formation and RSP is critical to cast quality.  RSP (loop formation) near vertical means lots of rod motion was directed upward (outward for sidearm) and trouble is looming.  I would say offhand that RSP at least 45 degrees forward from vertical is desireable and that 60-65 degrees would be good (30 degrees from horizontal).  I didn't see this in any answers so I think what should far and away be the main result is missing.  I did include this in my answers and am disappointed it wasn't put out to the message board.
     
    Oh, by the way, forward this to Ally (and Walter S.) so he can put it into his thoughts before he finalizes them.  I had some concern because he mentioned he was going to include stuff from Paul gave because in reading Paul's remarks it seemed to me he missed the most important point - the position of the rod when RSP occurs (loop formation) is crucial to cast quality.
     
       Let's have that phone conversation and I should be able to better review/elaborate on what I've stated here.  I'll try making E-mail contact wth the others if you provide addresses.
     
    Thanks - Server
     
     


    -----Original Message-----
    From: Gordy Hill <MasterStudyGroup@xxxxxxxxxxx>
    To: Server Sadik <ssadik1@xxxxxxx>
    Sent: Mon, Dec 20, 2010 7:44 am
    Subject: j"Line launch direction"


    Server & Group...

    [GH]  Question from Marc Fauvet :

    hi Gordy !
    by chance, is there a possibility of getting a translation to the term "a point of line launch direction" ?
    many of us are baffled by this...
    cheers and wishing the best of holidays to all,
    marc 
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    [GH]  Marc,
    My interpretation of "Ally's wording is that this is the point at which the line loop is launched in a particular direction.
    It fits with the terms : "Line plane" *, "Trajectory" and "Launch angle".
    Let's see if Ally agrees.

    * Jason Borger's NATURE OF FLY CASTING by Jason Borger, p. 71

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~