Backplate systems: Advantages & disadvantages?

[cool_hardware52]

chop logic doesn't become you, call it what you like - they both do a similar but opposite job.

Nothing 'dictates' anything. They should be one unit because they do the same job - As a unit, They control the total bouyancy of the diver.

The engine and the brakes on my truck do similar but opposite jobs, both are associated with controlling acceleration, just the vectors are reversed. Should the engine be built into the wheel hub, or perhaps the brakes bear on the flywheel?

I'm curious what is the 'compensator' compensating? in your opinion of course.

Buoyancy Compensators provide a means for the diver to vary his displacement. This is necessary due to two factors, changes in the displacement of the exposure suit (wetsuit compression) and changes in the weight of the gas carried in the tank.

Unlike a Hot Air balloon, one does not typically adjust the amount of ballast carried during a dive.

Tobin

 

[CIBDiving]

The engine and the brakes on my truck do similar but opposite jobs, both are associated with controlling acceleration, just the vectors are reversed. Should the engine be built into the wheel hub, or perhaps the brakes bear on the flywheel?

Have you looked at how the new hybrids and the fuelcell vehicals work?
Gee, guess what??

 

[CIBDiving]

1

 

[JeffG]

1

Didn't like your first response? To bad, I was thinking about another 30lb enema.

 

[GreenDiverDown]

I do remove the weight each time - and reload it before each dive. Don't you take your weight belt off each time you get out of the water and put it back on just before you get back in? or do you wear it the entire surface interval and to/from the dive site? That's the main problem with the halcyon style pockets (or any of the 'front' load pockets) hard to load just before getting in the water, at least if close the max capacity.

I would load my pockets at the beginning of the day and then leave 'em loaded... maybe until the end of the whole dive trip. I certainly wouldn't take 'em out every time I surfaced. Why take 'em out? I can only think of one reason that some might have to do that... but it doesn't apply to me or most folks that I know.

My weight belt... I take it off, of course... most of the time, anyways.

I do know what you mean... but all weight integration pockets... even the ones on standard BCs are sorta hard to load when you are wearing the BC. It is much easier to load them up before you put your rig on.

 

[Damselfish]

Different conditions in different areas can result in differing solutions.

Having said that, this thread is supposedly about BackPlates and wings.

Lets assume no exposure suit, warm water and a buoyant AL80. Would you need more weight than the 5-6 lbs of a SS Backplate to offset your tank? Seems unlikely.

If you add some neoprene, you will need more ballast, to offset the buoyancy of your exposure suit.


Tobin

correct, I use 6-8 with an AL80. I used 6 in a jacket, but when I went to a BI started to use 8 after awhile because I needed to put some in the back and 8 is easier to distribute evenly without a hacksaw. (And maybe I got a touch more bouyant over the same years too, but I'm sticking with the distribution argument, yeah.) Rarely if ever do diveops I use have 1# weights.

But since I'm flying to that warm water and ever concious of luggage weight, if I did use a BP, I'd probably be using one of your plastic plates. Individual circumstances strike again...

 

[CIBDiving]

I would load my pockets at the beginning of the day and then leave 'em loaded... maybe until the end of the whole dive trip. I certainly wouldn't take 'em out every time I surfaced. Why take 'em out? I can only think of one reason that some might have to do that... but it doesn't apply to me or most folks that I know.

My weight belt... I take it off, of course... most of the time, anyways.

I do know what you mean... but all weight integration pockets... even the ones on standard BCs are sorta hard to load when you are wearing the BC. It is much easier to load them up before you put your rig on.

The old style dive rite pockets are pretty easy to load. You just drop the weight in and zip it closed, coming out is the reverse. You never use the velco flap unless you are dumping lead in an emergency. Man! if you don't unload the lead between dives,you're doin it the hard way. Maybe that's why you don't like integration?

 

[CIBDiving]

Didn't like your first response? To bad, I was thinking about another 30lb enema.

go away pissant little troll boy.

 

[JeffG]

go away pissant little troll boy.

Kettle meet pot

 

[jaydub]

why would one not use a stainless steel bp in warm waters? I have read several posts now by more than 1 individual stating that same thing. Is it mainly to reduce luggage weight or am I missing something here?