Question BPW help <3

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for those boat pinch flats, seems like a short plate would be less likely to pinch the wing since the length all comes off the bottom. I guess if your wing is long enough to slip under the tank you could also pinch your bladder. Everyone I know that runs an HP80 with their BPW sets the tank as low as possible- the bottom my wife’s slammed down hp80 ends up pretty similar to my hp100, which is more centered. We’re also running Faber tanks- a Worthington hp80 is super short and could be more of an issue. Most of our local boats are all built for cold water; so, the tank holders are super shallow to make it easy to stand up for people hauling around a lot of weight
 
@SouthernSharktoothDiver - It is not because it is narrow, but because it is long (usually associated with narrow wings), and allows the wing to extend below the bottom of the plate, and if pinched (like between the plate and say, something like a boat bench), can compromise the bladder. You ever see a bunch of wing bunched up at the base of an HP80 compared to the long AL80 when set down?
 
I dive aluminum 63s often and they are may favorite shallow and warm water tank. Plenty of air for me to spend an hour on the bottom. As to pinch cuts I have not noted this to be a problem with any of my wings/plates. My VDH/Oxy wings are all of the long and narrow design. Though the VDH wings do have an internal bungee that sucks them up tight.

I just did some dives with HP80 and HP100 and it reminded me that I really, really dislike them. They tend to turtle me, yes, I can handle the rolling tendency and ignore it but I much prefer LP steels or aluminum 63/80 for general sport diving.
 
@rhwestfall Ah, yes, that makes sense. I haven't personally seen it happen, since almost all of my diving is just me and my cousin with our facebook marketplace, 1990's era AL 80's, but I can picture what you're talking about.

On a related note, we're planning to get into diving doubles. Any tips/warnings I should be aware of? I already know to compensate for extra buoyancy with ditchable weight, but anything else I should worry about?
 
At 5', a short plate will probably be your best bet as a starting point. Halcyon, Dive Rite and maybe Oxycheq make short plates, but they are also different widths slightly, so which one you pick may depend on how wide you are in the shoulders.

For pinch flats, I heard of this being a problem for years. I have thousands of dives in my own bpw/wing combos including CCRs with significant wing drop below the unit and plate. I've dove with hundreds of other divers in BPW, and help manage a fleet of about 50 BPW, with some wings being over 15 years old.

I have never seen a pinch flat. Maybe with double 104s and landing butt first on a rocking boat? Dunno, seems like a mostly non-existent problem. I'm sure it happens, but it can't be common.
 

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