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    I had to download ontarget2 today. My computer self destructed on Saturday. Or maybe I helped a little. But that's ANOTHER story.
    Someone at Pinwheel Software must have found that the GT500 produces much more Ke than they originally thought.
    With the new version, my CX 4560 arrows are WAY too weak. They were only VERY SLIGHTLY weak last time I checked.
    Even if I take weight of the fletching and weight off the tip , it's not what I would consider close enough.
    I've had several conversations with people here on OT2's arrow recommendations. THEY HAVE CHANGED.
    I need to buy new arrows......I haven't told my wife yet.

    So I put together a small chart to reference with the newer spine numbers for the GT500.


    ------27---- 28--- 29--- 30 DL's
    60lbs .4308 .4104 .3906 .3715
    65lbs .3919 .3750 .3584 .3423
    70lbs .3595 .3452 .3312 .3173

    Now, go buy new arrows......It'll be a good excuse.
    Last edited by archer58inPA; 02-11-2009, 01:26 AM.
    2014 E32
    2011 PULSE AP
    TUNER OF BOWS BY LONG DISTANCE
    Member of the JURY MEMBER OF THE LEFTY BROTHERHOOD




    "If it ain't broke , I can MAKE it better".
    Integrity is doing the right thing when no one is looking.

  • #2
    Originally posted by archer58inPA View Post
    I had to download ontarget2 today. My computer self destructed on Saturday. Or maybe I helped a little. But that's ANOTHER story.
    Someone at Pinwheel Software must have found that the GT500 produces much more Ke than they originally thought.
    With the new version, my CX 4560 arrows are WAY too weak. They were only VERY SLIGHTLY weak last time I checked.
    Even if I take weight of the fletching and weight off the tip , it's not what I would consider close enough.
    I've had several conversations with people here on OT2's arrow recommendations. THEY HAVE CHANGED.
    I need to buy new arrows......I haven't told my wife yet.

    So I put together a small chart to reference with the newer spine numbers for the GT500.


    ------27---- 28--- 29--- 30 DL's
    60lbs .4308 .4104 .3906 .3715
    65lbs .3919 .3750 .3584 .3423
    70lbs .3595 .3452 .3312 .3173

    Now, go buy new arrows......It'll be a good excuse.
    Please be so kind to do the math for me if you would, I'm tired right now and feeling a might lazy. I've just purchased a dozen VForceHV350V1 they have a spine of .35 @31. If I were to move up to 65# cutting these arrows to 29.25" it seems that I would be alright spine wise but maybe a little light weight wise?

    Comment


    • #3
      Originally posted by bowhunter View Post
      Please be so kind to do the math for me if you would, I'm tired right now and feeling a might lazy. I've just purchased a dozen VForceHV350V1 they have a spine of .35 @31. If I were to move up to 65# cutting these arrows to 29.25" it seems that I would be alright spine wise but maybe a little light weight wise?
      The spine for your setup is .3242.
      The 350's are very weak. 300's are what you should have.
      2014 E32
      2011 PULSE AP
      TUNER OF BOWS BY LONG DISTANCE
      Member of the JURY MEMBER OF THE LEFTY BROTHERHOOD




      "If it ain't broke , I can MAKE it better".
      Integrity is doing the right thing when no one is looking.

      Comment


      • #4
        I should also recommend that when looking at the chart , you round the #'s up or down to the nearest 100. That will get you in the ball park.
        The spine #'s seem to depend on arrow length to a degree.
        2014 E32
        2011 PULSE AP
        TUNER OF BOWS BY LONG DISTANCE
        Member of the JURY MEMBER OF THE LEFTY BROTHERHOOD




        "If it ain't broke , I can MAKE it better".
        Integrity is doing the right thing when no one is looking.

        Comment


        • #5
          Spine

          Originally posted by archer58inPA View Post
          The spine for your setup is .3242.
          The 350's are very weak. 300's are what you should have.
          Are you saying that at 65# they would be weak, or my present 60#.

          Comment


          • #6
            Originally posted by bowhunter View Post
            Are you saying that at 65# they would be weak, or my present 60#.
            At 65 they are weak. 60 would be o.k.
            2014 E32
            2011 PULSE AP
            TUNER OF BOWS BY LONG DISTANCE
            Member of the JURY MEMBER OF THE LEFTY BROTHERHOOD




            "If it ain't broke , I can MAKE it better".
            Integrity is doing the right thing when no one is looking.

            Comment


            • #7
              I have had the same experience. It now says that my Maxima 250's, 27", 100gr tip are way too weak for my Z at 65lbs.

              I hope they don't all of the sudden start flying erratic now.

              Comment


              • #8
                Originally posted by Duster View Post
                I hope they don't all of the sudden start flying erratic now.
                Don't tell your arrows, they won't find out.!!!!!!!! LOL!!!!!!!!!!
                2014 E32
                2011 PULSE AP
                TUNER OF BOWS BY LONG DISTANCE
                Member of the JURY MEMBER OF THE LEFTY BROTHERHOOD




                "If it ain't broke , I can MAKE it better".
                Integrity is doing the right thing when no one is looking.

                Comment


                • #9
                  I found that my GT500 at 60lbs and 30 inch draw shot my 27.5 inch Maxima 250s with a wrap, unibushings, and a G nock poorly. It definately shoots the Maxima 350s better.

                  Comment


                  • #10
                    lonehara is going to verify the results with Pinwheel.
                    The changes seem aweful drastic, we just want to be sure.
                    2014 E32
                    2011 PULSE AP
                    TUNER OF BOWS BY LONG DISTANCE
                    Member of the JURY MEMBER OF THE LEFTY BROTHERHOOD




                    "If it ain't broke , I can MAKE it better".
                    Integrity is doing the right thing when no one is looking.

                    Comment


                    • #11
                      What's OT2? I reckon its software to select arrows?? is that right? I have never heard of it before so just asking....

                      I use software also to select arrows and I guess I would have to ask why the software would change? The package I have is completely up to date and it still gives me the same arrow it did 5 years ago....

                      For todays high performace bows it just simply recommends a stiffer arrow and to date I SWEAR by it..... I guess I just wanted to chime in and see what this was all about.... where does one see this?

                      Comment


                      • #12
                        I don't know how much faith I have in these programs. I know w/ the updated version it puts the GT500 in the Xtra Hard Cam categorie. Before it was just listed as a Hard 2 cam and they didn't have a Xtra hard cam catagorie. That's all fine and good but it still puts my XLR in a hard cam, not Xtra hard and the last time I checked it has the same cam as the GT500? I personally don't believe the Rev cam is all that hard of a cam. It's not as hard as the cam on the GTO.
                        Let us know what pinwheel says about the new ratings.
                        thx
                        Dan
                        RICHARDSON'S TAXIDERMY
                        Pro Elite
                        XXL

                        Comment


                        • #13
                          Originally posted by heaterht View Post
                          I don't know how much faith I have in these programs. I know w/ the updated version it puts the GT500 in the Xtra Hard Cam categorie. Before it was just listed as a Hard 2 cam and they didn't have a Xtra hard cam catagorie. That's all fine and good but it still puts my XLR in a hard cam, not Xtra hard and the last time I checked it has the same cam as the GT500? I personally don't believe the Rev cam is all that hard of a cam. It's not as hard as the cam on the GTO.
                          Let us know what pinwheel says about the new ratings.
                          thx
                          Dan
                          Sounds like some sort of electronic version of the Easton selection chart. My program doesnt care about what cam it is....It just has a selection for Compound or Recurve. All I know is works and works well....someone mentioned not putting much faith in software......I put 100% in mine, but I can see if it is a constant moving target you would have reservations.

                          mine is called The Archery Program (LOL! unique name!!!! ) Never really thought of that before.

                          oh well..............good luck with yours!

                          Comment


                          • #14
                            Originally posted by archer58inPA View Post
                            lonehara is going to verify the results with Pinwheel.
                            The changes seem aweful drastic, we just want to be sure.
                            I tried their phone number a couple of times today to no avail. I also emailed them so maybe we might know something tomorrow.

                            Comment


                            • #15
                              The older Archers advantage always recommended a stiff spine. I found my GT500 likes a little less spine than my GTO did. I dont have OnTarget2 But might order it for extra info.
                              No ifs and or buts Just maybee.

                              Comment

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