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Thread: Lower than recommended brace height

  1. #1
    In the White
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    Lower than recommended brace height

    Hello All,
    I have just paired my Border Hex 5S limbs with a new riser and am having the devil of a job tuning the rig.
    I shoot three under bare bow. I have neutral tiller and my nock point is set at 1/8". Arrows are matched to the limbs.
    While these limbs have never been silent they were appreciably quieter on my old riser - a Mybow Rio (my introductory riser) - than they are now.
    Currently they also suffer from limb tip flutter and vibrate for a couple of seconds after each shot.
    As I have been trying to tune the rig I have noticed the limbs become quieter towards the low end of the recommended brace height. I am currently right on the Border recommended lower limit. They limbs are still noisier than before and do suffer from flutter but not as much as at the higher brace heights.
    My question is this: if I start experimenting below the recommended minimum brace height am I going to damage the limbs and what will be the other side effects regarding cast and accuracy?
    Thanks in advance.

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  3. #2
    It's an X JohnK's Avatar
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    What's the new riser?

    Generally speaking, going a bit lower isn't much of a problem. It's higher bracing heights that tend to be a problem for limbs.
    Marcus26: A coaching qualification means that you attended a seminar. My cat can attend a seminar.

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    It's an X JohnK's Avatar
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    What's the new riser?

    Generally speaking, going a bit lower isn't much of a problem. It's higher bracing heights that tend to be a problem for limbs.
    Marcus26: A coaching qualification means that you attended a seminar. My cat can attend a seminar.

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    It's an X I've taken part in an AIUK Ironman Shoot.The Fonz Award.AIUK subscriber. Timid Toad's Avatar
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    Yup, as above - brace height is a factor of the riser. I had a Vanquish for a while. It was a very straight riser - little deflex - and it liked a 6 1/2" bh. But it was nasty and harsh.
    "Time is an illusion. Lunchtime doubly so." Douglas Adams

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    Quote Originally Posted by JohnK View Post
    What's the new riser?

    Generally speaking, going a bit lower isn't much of a problem. It's higher bracing heights that tend to be a problem for limbs.
    Hi JohnK and Timid Toad
    My new riser is a 25" Stolid Bull Black Thunder Classic, converted to ILF by Holger himself. The BT is slightly longer/straighter (less deflex? - a concept I don't completely understand!) than the old riser in that it needs a string at least half an inch longer.

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    It's an X EVC's Avatar
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    What string material? For reasons I don't know and I didn't bother to find my bows are noisier with Fastflight+ or Angel and silent (or less noisier) with 8125. Some modern materials may be even harsher even if they are OK for recurve bows.

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