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Thread: Any Disadvantage to Being Overspined?

  1. #11
    Senior Member Money Man's Avatar
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    Found this video that deals with arrow flex and spine issues, thought it pertained to this thread http://www.outdoorlife.com/blogs/hun...MjYyMTA2OTE0S0
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  2. #12
    Senior Member wscywabbit's Avatar
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    Quote Originally Posted by NuttyNative View Post
    Sound like it will be a safe set up?
    I'm sure you'll be fine either way, just remember, with Carbon Express the higher the number, the stiffer the arrow... so your 350's are actually a heavier spine than the 250 arrows.

    The 250 arrows are about a 400 spine if I remember right, and you should be fine @ 66#s. Especially if you're going to use a lighter head.
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  3. #13
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    Hi
    What if you want to go the other way, making your arrows heavier. I use Victory V-force 400, with 125 gr. BH. Total arrow weight 403gr. Bow currently set to 45#, but will be set to 60# for hunting. For heavier game (moose etc.) I would like a 450-500 gr. arrow. Could I use brass inserts or just a heavy BH or would that get me into red zone? I cannot figure out the charts here.
    Last edited by Wolverine67; 02-04-2012 at 02:36 AM.
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  4. #14
    Senior Member droppixel's Avatar
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    Going to be a few different factors for you. What length arrow are you looking to shoot? If you get too much weight out front on a longer arrow, your effective spine is going to go down. You could potentially keep the length and BH you shoot now just by looking into a shaft that has more GPI while maintaining the same spine. The arrow game is a goofy one
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  5. #15
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    A few disadvantages for sure, as have already been pointed out. What are you using these arrows for, and what is your current setup?

  6. #16
    Senior Member droppixel's Avatar
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    Personally my set up might change soon, but for everyone else interested, I could like to keep the thread/discussion going.

    If it weren't changing, I'm shooting the 07 Cheetah in my sig at 29" DW 64-67# - haven't had it on a scale, so that is my estimation. 27.5" Gt Velocity 400s 100g tip/BH. I'm primarily hunting and I shoot 3D.
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  7. #17
    Senior Member NuttyNative's Avatar
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    Quote Originally Posted by Wolverine67 View Post
    Hi
    What if you want to go the other way, making your arrows heavier. I use Victory V-force 400, with 125 gr. BH. Total arrow weight 403gr. Bow currently set to 45#, but will be set to 60# for hunting. For heavier game (moose etc.) I would like a 450-500 gr. arrow. Could I use brass inserts or just a heavy BH or would that get me into red zone? I cannot figure out the charts here.
    Well, as for me. I am currently at 425 and going to 450 is a simple broadhead/tip change to 125 gr or more. 500+ would require a brass insert, but I'm going the other direction. According to the Backcountry bowhunting caculator I can safely go as low as 330gr, but I'm not sure of the spine. I'm going to start 350-375ish with a 400 spine and see where the noise level is and speed increase. BCB says 303fps?
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  8. #18
    Senior Member droppixel's Avatar
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    To give you an idea of where I am at, sitting around 340g and I feel like my bow is super quiet. I'm sure if I kicked the weight up it would be even more quiet!
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  9. #19
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    i have always shot underspined arrows, i should be shooting 400 and i shoot 340, with my bow completely maxxed out. ive never had a problem, never broke an arrow.

  10. #20
    Super Moderator bfisher's Avatar
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    Quote Originally Posted by dzsmith View Post
    i have always shot underspined arrows, i should be shooting 400 and i shoot 340, with my bow completely maxxed out. ive never had a problem, never broke an arrow.
    FYI a 340 spine is stiffer than a 400. Don't confuse spine deflection with the name (number) used by some companies like Carbon Express. The model designation on their arrows does not coincide with any spine rating. A Carbon Express 250 is actually a 404 spine and the 350 is stiffer.

    Easton/Beman number theirs according to spine. The lower the number the stiffer the shaft. Gold Tip does this with the Ultralites and Velocity shafts.
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