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Thread: ADV functionality from modified BOV

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    ADV functionality from modified BOV

    wondering if anyone has experimented with poking a hole in a BOV barrel so that when in closed circuit, neg pressure would still trigger the BOV's 2nd stage?

    I know Poseidon's BOV is designed to do this, but with some proprietary gadgetry.

    I guess the risk would be also allowing your exhale to escape through the 2nd stage exhaust, but if the physics worked out with loop positioning, this would be a feasible, yes?

  2. #2
    Supporting Member Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36 has a reputation beyond repute Dsix36's Avatar
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    Re: ADV functionality from modified BOV

    I think your "hole" would need some sort of directional check valve to only allow gas to flow into the loop but not be able to vent.
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    RBW Member jk1 is an unknown quantity at this point jk1's Avatar
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    Re: ADV functionality from modified BOV

    Quote Originally Posted by OceanOpportunity  View Original Post
    wondering if anyone has experimented with poking a hole in a BOV barrel so that when in closed circuit, neg pressure would still trigger the BOV's 2nd stage?

    I know Poseidon's BOV is designed to do this, but with some proprietary gadgetry.

    I guess the risk would be also allowing your exhale to escape through the 2nd stage exhaust, but if the physics worked out with loop positioning, this would be a feasible, yes?
    You could simulate this by slightly cracking open the BOV. What you will likely find happens is the BOV freeflows into the loop continuously and you vanish in an upwards direction.

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  4. #4
    for a world of water OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity is a splendid one to behold OceanOpportunity's Avatar
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    Re: ADV functionality from modified BOV

    somewhere out there, I recall a few BOVs doing this. I know the Poseidon has this feature, and the Apoc claimed this also.

    There was another unit, but I dont recall which....any guesses?

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    RBW Member Nubium is an unknown quantity at this point Nubium's Avatar
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    Re: ADV functionality from modified BOV

    This is how the Divesoft IBOV's ADV works.

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