02-14-2010, 03:08 AM
I would think outright pops where you have instant deflation with no trapped air remaining are rare while in water. This is because of the cooling effect of water lowering pressure while immersed, even as direct sun would raise pressure somewhat.
The greatest immediate danger is anything that would interfere with someone getting air to breathe. That's not likely to happen because of trapped air and PFD. You would have to be dragged down or flipped upside down for that to happen. Things that might possibly drag you down would be getting a foot snagged in high speed current or suction in grade 5 whitewater. Flipping not likely to happen.
Hypothermia would be next after air shortage. This is a more likely danger, because even if you have air with a no sinking possibility, you can't survive beyond a certain period even in slightly cool water. So it would seem having a plan to get to shore within a reasonable amount of time is a necessity.
Pon
[quote ydoc]TubeDude wrote:
Was fishing a small farm-pond years ago. As per our customary practice, I started in one direction around the shore, and my wife started around the shore in the other direction.
This was MANY years ago and we were both fishing out of HD "doughnuts"... those with a truck inner-tube used as flotation.
I was about half-way around when I heard my wife scream. I turned to see her with her hands on the sides of her tube, kicking like Hell towards our launch point.
Not much I could do from half-way around the pond... but by the time I got there, she had already crawled on shore.
Apparently she got up against an under-water, barbed-wire fence. Thank God it didn't get her, but it did tear the tube covering and punctured the tube pretty good. The air was coming out pretty fast...
She was wearing a PFD, but her FEAR was that the water would fill her waders and "sink" her. It was VERY SCARY... but in retrospect, we think that the waders would never have "filled", as least not in the same sense as filling the waders when on land. We THINK that some water would have gotten in... but only to the point of neutral buoyancy. We THINK that the tube wouldn't have completely deflated, thus actually adding some flotation provided by the PFD.
Our thought is that she would have gotten very wet, maybe got her equipment wet, etc., but she wouldn't have drowned. We don't THINK that the water would have gotten any higher than it would have had you been in the water "swimming" while wearing a PFD.
Thoughts on this assumption???[/quote]
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The greatest immediate danger is anything that would interfere with someone getting air to breathe. That's not likely to happen because of trapped air and PFD. You would have to be dragged down or flipped upside down for that to happen. Things that might possibly drag you down would be getting a foot snagged in high speed current or suction in grade 5 whitewater. Flipping not likely to happen.
Hypothermia would be next after air shortage. This is a more likely danger, because even if you have air with a no sinking possibility, you can't survive beyond a certain period even in slightly cool water. So it would seem having a plan to get to shore within a reasonable amount of time is a necessity.
Pon
[quote ydoc]TubeDude wrote:
Quote:
[#0000ff][/#0000ff][#0000ff]Stay away from the shoreline unless launching or beaching. There can be unseen underwater dangers as well as shoreline barb wire, sharp branches, etc. No need to tempt fate.[/#0000ff]
Was fishing a small farm-pond years ago. As per our customary practice, I started in one direction around the shore, and my wife started around the shore in the other direction.
This was MANY years ago and we were both fishing out of HD "doughnuts"... those with a truck inner-tube used as flotation.
I was about half-way around when I heard my wife scream. I turned to see her with her hands on the sides of her tube, kicking like Hell towards our launch point.
Not much I could do from half-way around the pond... but by the time I got there, she had already crawled on shore.
Apparently she got up against an under-water, barbed-wire fence. Thank God it didn't get her, but it did tear the tube covering and punctured the tube pretty good. The air was coming out pretty fast...
She was wearing a PFD, but her FEAR was that the water would fill her waders and "sink" her. It was VERY SCARY... but in retrospect, we think that the waders would never have "filled", as least not in the same sense as filling the waders when on land. We THINK that some water would have gotten in... but only to the point of neutral buoyancy. We THINK that the tube wouldn't have completely deflated, thus actually adding some flotation provided by the PFD.
Our thought is that she would have gotten very wet, maybe got her equipment wet, etc., but she wouldn't have drowned. We don't THINK that the water would have gotten any higher than it would have had you been in the water "swimming" while wearing a PFD.
Thoughts on this assumption???[/quote]
[signature]