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    Bow speed?

    So i have a bowtech invasion cpx with a 29" draw and was set at 57 lbs and a 375 grain arrow. I wanted to speed it up a bit so i was gonna put two turns in the limbs, but turns out it maxed out at 1 1/4 turns. When i shot with the bow at 60-61 lbs my 20 and 30 yard pins didnt even move. Why is this and how much more fps do you think i gained cause im thinking of shooting a 125 grain tip now.

    #2
    4 lbs, 8 fps.
    25 grains, 8 fps

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      #3
      Your not going to gain that much speed with maxing it, and your in the sweet spot now. 125 grain tip would give you more KE and more front arrow wieght which will imporve your penetration. Your shooting plenty fast now probably close to 300 FPS...

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        #4
        Originally posted by Raypo View Post
        Your not going to gain that much speed with maxing it, and your in the sweet spot now. 125 grain tip would give you more KE and more front arrow wieght which will imporve your penetration. Your shooting plenty fast now probably close to 300 FPS...
        Ray what can i do to imporve my penetration?!

        Rocky n Ray gotcha fixed up bro!

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          #5
          Originally posted by Ragin' View Post
          Ray what can i do to imporve my penetration?!
          Load up the tip and shaft with more mass

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            #6
            the noticeable difference will be at longer yardages. at 20 to 30 yards you are probable in the apex of your trajectory and in you line of site. in other words your arrow comes up into and back down through your line of site.

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              #7
              Originally posted by Ragin' View Post
              Ray what can i do to imporve my penetration?!

              Rocky n Ray gotcha fixed up bro!
              Go back to rage broadheads

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                #8
                Originally posted by Raypo View Post
                Go back to rage broadheads
                Lmao!

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                  #9
                  Originally posted by Ragin' View Post
                  Ray what can i do to imporve my penetration?!

                  Rocky n Ray gotcha fixed up bro!
                  Surgery or pills.

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                    #10
                    Originally posted by bowhuntntxn View Post
                    Surgery or pills.
                    I aint got that problem "Pea Boy"!!!

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                      #11
                      No need to get all bent. I musta forgot the smiley again.

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                        #12
                        Originally posted by bowhuntntxn View Post
                        No need to get all bent. I musta forgot the smiley again.
                        Thus the smiley at the end of mine.

                        Comment


                          #13
                          Originally posted by Bear95 View Post
                          So i have a bowtech invasion cpx with a 29" draw and was set at 57 lbs and a 375 grain arrow. I wanted to speed it up a bit so i was gonna put two turns in the limbs, but turns out it maxed out at 1 1/4 turns. When i shot with the bow at 60-61 lbs my 20 and 30 yard pins didnt even move. Why is this and how much more fps do you think i gained cause im thinking of shooting a 125 grain tip now.
                          Bumping the speed 8fps on a bow that's already fast won't make a very big difference at all at those ranges. You're just making flat slightly flatter.

                          Going from 100gr to 125gr heads is usually a good idea. But, keep this in mind, when you are dealing with an arrow as light as yours. Bumping a 375gr arrow to 400grs by adding 25grs more head weight will make a bigger change in your arrow spine. Than if you are dealing with a 400gr arrow going to 425gr. You may actually have to turn the weight back down some after going to the heavier head.

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                            #14
                            Originally posted by Ragin' View Post
                            Lmao!
                            I know how you feel about those dependable never open in flight expandable braid heads

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