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Shorter arrows, more vibration?

Discussion in 'Tech Talk' started by darkbyrd, Dec 24, 2009.

  1. darkbyrd

    darkbyrd Weekend Warrior

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    For awhile, I shot 30" cx terminator 4560's (100 gr tip, 2" blazers). I just got them cut down to 26.5", a better length for me, and spined better too. And the arrows do fly a lot better. But now the bow is much noiser, and vibrates a ton with the shot. Is this what I should expect shooting a lighter arrow, and what would be the best ways to quiet the noise and dampen the vibration?

    2001 Bowtech Extreme SD 6" (pictures http://forums.bowhunting.com/showthread.php?t=8972)
    28" (or so) DL, 60# (or so)
     
  2. Vabowman

    Vabowman Grizzled Veteran

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    not much you can do...the arrows soak up up a lot of vibration..the lighter the arrow, the more the vibration..
     
  3. wpage

    wpage Weekend Warrior

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    Customs

    Order the length you want. Yes the longer the better stability to a point. Not too long!:)
     
  4. Fitz

    Fitz Legendary Woodsman

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    You could try a string suppressor to help with the noise & vibration. I use an STS on my Drenalin and it made my already quiet bow even more so.

    Going from 30" to 26.5" is a big difference on any arrow selection chart.

    I'll take a noisier but faster & more accurate setup over a quieter but slower & more inaccurate one any day. There are plenty of after market vibration dampening systems that could help your bow out.
     
  5. ventvisor

    ventvisor Weekend Warrior

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    I might be missing something...but didn't you cut your arrows to short for your draw length?? The way i was measured, and had my arrows cut, were 29" for a 29" draw length. Maybe, that's a different system then other people...but that's what I have.
     
  6. darkbyrd

    darkbyrd Weekend Warrior

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    My whisker biscuit is set a few inches back from the front of the riser, allowing me to use arrows shorter than my draw length (see the pictures on the link from the first post). Actually, if I only shot field points, I could have used a 25.5" or even a 25" arrow. I wanted a little bit of room there for when I put razor blades on the end of it. Even at 26.5" though, I could slice the index finger of my bow hand if I held my finger up a little at release.

    But to my problem, would a new or different stabilizer help me out? Compared to before my bow arm is getting buzzed pretty hard.

    Cheers!
     
    Last edited: Dec 27, 2009
  7. Fitz

    Fitz Legendary Woodsman

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    It certainly wouldn't hurt. Worth a try for sure!
     
  8. GMMAT

    GMMAT Grizzled Veteran

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    Cutting 3.5" off an arrow......is drastic! I can only imagine how much you stiffened them in doing so.

    I hear people all the time state the arrow length they're gonna shoot......BEFORE they "tune". And, I don't understand that. You can certainly manipulate spine by adding/subtracting tip weight. But 3.5" (decrease) is a LOT. You have to know (if it's correctly spined, now....that it was WAY underspined, beforehand).

    I had a new trad. shooter come over yesterday to get some arrows tuned. He asked me what length arrows he should shoot. "It's not that easy", I said. It'll be what it'll be. Your bow will tell you what it likes (or....you could manipulate it....to an extent...with tip weight addition/subtraction).

    With a compound.....you can also manipulate dynamic spine with DW adjustments.

    BUT....I RARELY see compound archers who are willing to "tune" with DW adjustments. In fact, I only know ONE who does so.
     

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