Home › Forums › Bows and Equipment › F.O.C vs. Dynamic spine.

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    • 202turkey
        February 10, 2010 at 7:18 pm
        Post count: 5
        #6211

        Need a little help please. I set up some carbon express 250’s to shoot out of my recurve. Set up with FOC of 21%. Shot great, but then I heard about S’s Calculator. I have never been one to mess with what works {but}. Set up some according to what this bow called for. Lower FOC 15.4% and real eratic flight. I know which setup I am going to use .But can someone please explain.

      • Jason Wesbrock
        Member
          February 10, 2010 at 8:52 pm
          Post count: 762
          #48973

          Stu’s calculator is nice, but it’s only a ballpark starting point. From there, proper tuning will tell you exactly what you should be shooting. This really isn’t a FOC issue; it’s a tuning issue.

        • Hiram
            February 12, 2010 at 1:45 am
            Post count: 484
            #50294

            Jason is correct. Man, how much weight are drawing? 250″s really heavy spined are’nt they. I shoot CE HERITAGE 90’S out of 52-55 pds with 150 heads. Have to run then 29-30 long to get them right dynamically.Whats your set-up?:)

          • 202turkey
              February 13, 2010 at 8:44 pm
              Post count: 5
              #52258

              Hiram @ Jason, Never had this much fun with aluminum arrows. But I made the commitment to try carbons. My bow is 50# @ 28. My draw is 29 arrows cut at 30 1/2.I was chosing my arrows from carbon express arrow chart. and was assuming it would be the right shaft.

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