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Thread: Underwater archery

  1. #1
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    Underwater archery

    We hear occassionally about arrows doing better than bullets in sand and water. Does anyone know if it is true?
    For example, do you have more chance trying to get fish with an arrow instead of a bullet? (I think I saw some tests with bullets on Myth Busters, but not arrows).
    So: how far could we expect an arrow to go under water? 10 Meters is perhaps too far?
    What about if we had the whole bow underwater - the limbs would be slowed down quite a bit I guess, but how effective would it be compared to a spear gun?
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    I imagine the arrow would die pathetically if the whole bow was underwater, especially from a recurve with such long limbs. I imagine a spear gun would be better due to much less friction in the launch (whether it used a spring or compressed air).

    Anyone with a pool care to enlighten us as to how a bow shoots fully-submerged?
    "They hovered in the air in much the same way that bricks don't."

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    I saw the bullet Mythbusters, and basically the higher the power of the bullet the less penetration into the water occured because the bullet shattered upon impact with the surface of the water. The 50cal sniper slug was determined to be only lethal approx 1 ft beneath the water. The .22 was lethal up to about 1m below.

    I'm guessing an arrow would probably kill you up 3-5m below the water.

    I've seen ACE's fired from the old Bridge (yes the bow chucking bridge : ), and they went quite a way down.

    I think underwater, a recurve would;

    propel the riser at your face

    A Compound would..... no do much

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    On Myth Busters they found that a slower projectile penetrated further in the water than a higher powered one.

    So an arrow has a bit of potential

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    Quote Originally Posted by The One
    Anyone with a pool care to enlighten us as to how a bow shoots fully-submerged?
    Yes, we need someone to test it (both from above the water, and with the bow underwater). Probably needs to be a Queenslander at this time of year - we Victorians and New Zealanders would need to first break the ice.
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    Evening Jim

    There is some film of Howard Hill shooting underwater. I think it is from one of his pre-WWII short films.

    It worked.
    Regards, Grahame.

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    Quote Originally Posted by GrahameA
    Evening Jim

    There is some film of Howard Hill shooting underwater.
    Was the bow underwater or did he shoot into the water?
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    Quote Originally Posted by James Park
    Yes, we need someone to test it (both from above the water, and with the bow underwater). Probably needs to be a Queenslander
    MMM, but there is no water in Queensland

    I think from the myth busters experience slow, heavy and small frontal area projectiles are the best.
    The limbs moving under the water present a significant problem with the friction involved. Maybe a traditional longbow with its slim limbs would be best?

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    From my reading he was under water but made his longbows back to front, narrow on Face , than back
    GTB, Field archer.

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    Bruce,
    Was Hill trying to shoot fish or just testing it?
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    Perhaps a willing Queenslander (or Mexican with an indoor heated pool) will volunteer his/her pool and archery talent if you provide the bows Jim?
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    Quote Originally Posted by Kite
    The limbs moving under the water present a significant problem with the friction involved. Maybe a traditional longbow with its slim limbs would be best?
    I concur
    "They hovered in the air in much the same way that bricks don't."

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    Would taking a bow under water having any adverse effects on it?

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    Has been tried but doesn't prove much

    http://www.filmfax.com/archives/pdf/ginger_stanley.pdf

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    couldn't be good for it... Maybe a kids glass bow would be best.

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    Quote Originally Posted by Liam
    Would taking a bow under water having any adverse effects on it?
    On a recuve i think so.... the limbs wouldn't cope with the added resistance when u release really....
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    Evening Jim

    Both he and the bow were underwater and he was shooting fish.
    Regards, Grahame.

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    According to the following Ozbow campires thread:
    http://www.ozbow.net/phpbb2/viewtopi...0d89170e644867
    even with an optimised bow the arrow will travel only a few metres if shot underwater. I'd back the shark every time.
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    I'm not very good at science. (In fact I'm failing year 10 science)

    BUT, wouldn't a parallel limb compound bow be much more efficient in the water than a recurve? The limbs don't move much so the water resistance wouldn't be an issue, and the cams are... thin.

  20. #20
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    Quote Originally Posted by Liam
    wouldn't a parallel limb compound bow be much more efficient in the water than a recurve? The limbs don't move much so the water resistance wouldn't be an issue, and the cams are... thin.

    true...
    A longbows limbs don't move much either...
    I suspect a recurve would be the worst for this... wide limbs with quite a lot of travel.

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