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Thread: need best Ibo calculatror ( no I phone)

  1. #1
    Addix Pro bowtune&hunt's Avatar
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    need best Ibo calculatror ( no I phone)

    don't usually check ibo ,but curious as to what everyone finds to be the best Ibo calculator. no I phone.
    The only source of knowledge is experience.
    Albert Einstein

    strother infinity (still my favorite to date)








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  3. #2
    Addix Veteran 12RingKing's Avatar
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    SGM. DILLIGAF

  4. #3
    Addix Prodigy JayB22's Avatar
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    Backcountry Bowhunting - Archery Calculator

    this one is relatively easy to use.
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    "Some pursue happiness, others create it"

  5. #4
    Addix Pro bowtune&hunt's Avatar
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    either i'm not seeing it right or that calculator does everything but ibo ?
    The only source of knowledge is experience.
    Albert Einstein

    strother infinity (still my favorite to date)







  6. #5
    Addix Prodigy JayB22's Avatar
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    need best Ibo calculatror ( no I phone)

    You have to adjust the fields to figure out IBO
    The opinions written and expressed on this forum may not reflect those of mine as a person.

    "Some pursue happiness, others create it"

  7. #6
    Addix Pro bowtune&hunt's Avatar
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    I cant see how you are doing it ibo is just what you punch in..?...I know how to figure every other thing out.
    The only source of knowledge is experience.
    Albert Einstein

    strother infinity (still my favorite to date)







  8. #7
    Addix Pro bowtune&hunt's Avatar
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    ive seen postings to figure out ibo in the past from dave and possibly reno in the past ,but cant find it.
    The only source of knowledge is experience.
    Albert Einstein

    strother infinity (still my favorite to date)







  9. #8
    Addix Veteran 12RingKing's Avatar
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    Move the manufacturer IBO speed around until your chrono numbers match the speed they give you at the bottom. Assuming you trust your chrono numbers.

    Input all your information and see what it says your chrono should read with the manufacturer's IBO speed numbers.
    SGM. DILLIGAF

  10. #9
    Addix Pro bowtune&hunt's Avatar
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    Quote Originally Posted by 12RingKing View Post
    Move the manufacturer IBO speed around until your chrono numbers match the speed they give you at the bottom. Assuming you trust your chrono numbers.

    Input all your information and see what it says your chrono should read with the manufacturer's IBO speed numbers.
    gotcha...lol thanks there has to be a formula though ?
    The only source of knowledge is experience.
    Albert Einstein

    strother infinity (still my favorite to date)







  11. #10
    Addix Legend mizzo 29's Avatar
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    Yeah there's gotta be an easier way. Some one has to make a calculator where u enter your actual set up and they figure out what you would get with ibo specs.
    vengeance with richards binaries black and camo
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  12. #11
    Addix Veteran 12RingKing's Avatar
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    There probably is a formula....I mess with it in my head when I chrono a bow. Using 1 FPS = 3 Grains on string/arrow. 10 FPS per 1" of DL under 30" and 5-8 FPS from 70 to 60 pounds.
    SGM. DILLIGAF

  13. #12
    Addix Pro bowtune&hunt's Avatar
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    I have a formula for kinetic energy , but not ibo ,I would like to have one .and I have seen it posted before.
    The only source of knowledge is experience.
    Albert Einstein

    strother infinity (still my favorite to date)







  14. #13
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  15. #14
    Addix Pro bowtune&hunt's Avatar
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    Quote Originally Posted by 12RingKing View Post
    There probably is a formula....I mess with it in my head when I chrono a bow. Using 1 FPS = 3 Grains on string/arrow. 10 FPS per 1" of DL under 30" and 5-8 FPS from 70 to 60 pounds.
    I think ill bump this thread every day until someone gives up the top secret info...lol
    The only source of knowledge is experience.
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    strother infinity (still my favorite to date)







  16. #15
    Addix Prodigy JayB22's Avatar
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  17. #16
    Addix Pro bowtune&hunt's Avatar
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    ill try a different approach...........probably the smartest ,most knowledgeable, best informed addix member will have that formula .
    The only source of knowledge is experience.
    Albert Einstein

    strother infinity (still my favorite to date)







  18. #17
    Addix Prodigy JayB22's Avatar
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    Okay fine, I'll do the dirty work for you.

    For every 3gr on the strings you lose 1fps
    For every 3gr you add to the arrow you will lose 1fps
    For every 1" Of DL you go up, you gain 10fps
    For every 1 lb of draw weight you go up you gain 2fps

    That work for you mister fussy?
    The opinions written and expressed on this forum may not reflect those of mine as a person.

    "Some pursue happiness, others create it"

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