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Broadhead Tuning

Discussion in 'Tech Talk' started by Phill22, Dec 5, 2020.

  1. Phill22

    Phill22 Newb

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    I have been reviewing how to tune my bow for broadheads, and feel like my head is about to explode with the different options and suggestions on line.
    Before I go any further, I would like to ask: If a bow is tuned well, and if my broadheads are same weight as field points, spin dead straight (no wobble) and the inserts are square to the shaft, etc. Should they shoot same as field points already?
    I suspect maybe my bow is not tuned well regardless of my ability to shoot field points accurately right now. I am new to bowhunting, and have spent the last 3 months practicing, building muscle memory, dialing in my form, stance, anchor, etc. I am shooting a Bowtech Assassin at 60#, 27" draw. I can consistently keep 2"-3" groups at 20 yards and 3"-4" groups at 30 yards, which is what I was advised should be my goal if planning to go out for late buck this year (Pacific NW). At 40 yards I can keep it in about 6" and I don't plan on shooting any further than that without actual field experience with a bow. I have been successful with rifle, hunting many years and consider myself an ethical and responsible hunter.
    I have been practicing from sitting, standing, kneeling. Last week I switched out some field points for Muzzy fixed blade broadheads. at 20 yards, the broadheads shoot 4" - 6" left (height is good).
    I tried tried micro adjustments on the rest, moving it to the right based on a suggestion I found reading some Bowhunting.com articles. but after moving the rest 1/8" it only moved the broadheads 2" closer to the targets. It seems like anything further than 1/8" is more than a micro adjustment. If you can help with the specific question, and or any input for my specific situation, it would be appreciated.
     
  2. trial153

    trial153 Grizzled Veteran

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    Tuning for me is broadhead tuning. Both my bare shafts and broadheads will show the same characteristics. So when I tune for a clean bare shaft at 6 feet and 30 feet I am pretty well set. I then finish my tune at 25 yards the same way. At that point the only change I will need is an elevation adjustment for my broadhead tapes, and in truth of late that hasn't been enough to worry about.

    Now all that said, and this will ruffle some feathers. There are some heads because of design and construction that are not going to shoot as well and to the same POI as field points. But for most they will be close enough to the shooters margin of error that they cant tell the difference.
     
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  3. trial153

    trial153 Grizzled Veteran

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    For you Specifically. Broadhead left is equal to right paper tear or left bare shaft
    Corrections
    Increase your draw weight or
    Increase the load on your cables or
    Twist the right yoke/ untwist the left yoke or
    Shim the cams to the right
     
    Last edited: Dec 5, 2020
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  4. goldtipxt

    goldtipxt Weekend Warrior

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    I bareshaft paper tune from 12ft and my bh’s fly with fp’s
     
  5. Fix

    Fix Grizzled Veteran

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    What people often forget is, if you are not consistent drawing and anchoring then you can not tune accurately.
     
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