undrwater
Contributor
The trend I'm seeing here is that a properly fired and secured BCD, regardless of style, should float one comfortably at the surface for a long time.
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You inflate the wing and then close your dry suit valve and inflate the dry suit. Then you stick your feel out in front of you like you are in a chair. You will float reasonably comfortably that way.
Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object.Er, ah, well no. It's a common misconception that more lift or more gas in a wing or BC will float the diver higher out of the water.
Any portion of any BC that is above the water's surface provides no buoyancy because it displaces no water. Attempting to use any BC to get belly button high out of the water is an exercise in diminishing returns.
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It appears in the video, the lost diver is sitting on his BP/W. If he is, would he be more buoyant if he put more air in his wing? If he dropped all his weight would he be more buoyant? What if he is wearing a 6 pound back plate?
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Well, that should be a real no-brainer to anyone with a grain of sense.If he dropped all his weight would he be more buoyant?
Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of thet. fluid displaced by the object.
It appears in the video, the lost diver is sitting on his BP/W. If he is, would he be more buoyant if he put more air in his wing? If he dropped all his weight would he be more buoyant? What if he is wearing a 6 pound back plate?
If he was wearing a B.C. that supports him under his arms, would he float higher out of the water? By being able to dump all of his weight, would he be more buoyant?
I have resisted stepping into the thread until now, but I think beaverdivers is right. If you look at the video, you will see that his upright with his chin is about 8 inches above the water, and he is barely moving his arms, if at all. He is sitting on something, and that is almost certainly his wing. What else could it be?What I found interesting was that he had removed his equipment and was floating just in his neoprene and I wondered why he'd done this.