Had enough from jacket...

[maged_mmh]

I have no idea what an Apollo tank lock is

Apollo's Bio Tank Lock 2008 Model from LeisurePro.com

 

[cool_hardware52]

if the worst is to come, as i said living in the ME; i'd rather pay shipping for brand new bladder than to go through tha hassle of sending a punctured one for repair & return.
BTW, is 22mil urethane means it is 22mm thick? (2.2cm across??)

No a "mil" is .001" 22 mil is .022" 22mm is almost one inch!
DSS does BTW produce wings that permit field replacement of the bladder. This of course requires that you have the bladder, the tools and the expertise.

few more question:
which is better: to have a 90deg elbow for the hose or a shoulder dump one? or is it totally a personal preference?

Pull dumps are unnecessary. All DSS wings ship with a simple elbow

what is the weight of the SS back plate? aluminum one?

A typical SS plate and harness is about 6 lbs, and an al plate and harness is about 2 lbs negative.

is the more bladder capacity better? (in other words: get the biggest, you'll be safe??)

Some apparently believe bigger is better,(or least hope you do) but that's a "newbie trap" You need enough wing capacity to:

1) Float your rig with a full tank if you ditch it, and
2) Compensate for the maximum change of buoyancy of your exposure suit.

How would more capacity make you "safer"?

Over sized wings produce more drag, and are more difficult to vent, particularly for a horizontal diver.

how do you secure the D rings on the webbing?

Look here https://www.deepseasupply.com/index.php?page=instructions

what about over pressure valves??

Every wing (or BC) needs one OPV. More than that simply adds additional potential failure points.

now, a few thoughts that are very important to me in the selection processm, but maybe i'm wrong about a few, feel free to mention your own PoV, i'd appreciate it:

1. to have multiple dump valves.

Another unnecessary "newbie trap" One is all you need, see above

2. i think bungee bands are nice to have on the wing, to help air venting.

Oversized wings with bungee's do not vent more easily or more fully than a correctly sized, simple, non bungeed wing.

3. having padding to the back plate will help protect the exp. suite.

Again, not required

4. the only thing i'll surely miss in my jacket style BC: is the multible pockets.

Pockets belong on your exposure suit where you can actually use them.

5. will i be able to use Apollo tank lock with any harness/BP? or i must use the one comes specifically for it?

A properly designed BP&W needs only conventional cambands

6. for the harness webbing; does it require sewing (stitching), or you just web it through?? can i ask upon placing the order whomever i purchase fro m to send it prepared?

See above

7. shoulder band are good idea to have or will they just keep sliding off place?

I have no idea what you mean here, but here's some general advice.

Do some research. Right now you are about to become the "poster child" for how NOT to take best advantage of what a BP&W can offer.

A huge bungeed wing, festooned with multiple OPV's and Rapid exhausts, mated to a padded plate plate and padded harness. Add a few large Waist Strap pockets, and some fancy gizmo cambands. Your sure to be your retailer's favorite customer.
Virtually every "extra" you contemplate serves to solve a problem that does not exist.

Of course you will have sacrificed the simple, streamlined, minimalist benefits that BP&W concept offers.

Tobin

 

[maged_mmh]

ok, for now, what is the use of the inner tube??

 

[cool_hardware52]

ok, for now, what is the use of the inner tube??

The inner tube loops below the chest drings are used to secure the lower end of a cylindrical backup light.

The loop above the left chest dring is used to control the wing inflator lp hose.

Tobin

 

[evil_xander]

now, a few thoughts that are very important to me in the selection processm, but maybe i'm wrong about a few, feel free to mention your own PoV, i'd appreciate it:
1. to have multiple dump valves.
2. i think bungee bands are nice to have on the wing, to help air venting.
3. having padding to the back plate will help protect the exp. suite.
4. the only thing i'll surely miss in my jacket style BC: is the multible pockets.
5. will i be able to use Apollo tank lock with any harness/BP? or i must use the one comes specifically for it?
6. for the harness webbing; does it require sewing (stitching), or you just web it through?? can i ask upon placing the order whomever i purchase fro m to send it prepared?
7. shoulder band are good idea to have or will they just keep sliding off place?

1, 2 & 3 - a simple no, you don't need any of those and if you do get them, most probably you'll stop using 2 and 3 soon.

For item #1, you have two dump valves, inflator is also a dump valve, that should be more then enough.

Bungies are 'needed' to help venting air from wings that are made for doubles, and people misuse them for single tank diving as well. With a normal singles wing you don't need any help venting air, if you do, most likely you have the same problem with any jacket BC, and that is a skill issue, not a gear issue.

6 & 7 - also a simple no, no stitiching needed, and no shoulder bands needed, providing you dive with any kind of exposure protection. If you dive just in your swim shorts, you could need something to make the harness a tad more comfortable.

Tobin gave you a good answer on those points as well.

If lack of local manufacturer presence worries you, I also got my DSS singles rig from US sent kinda to where the sun doesn't shine without previously seeing one live, and I'd do it again.

 

[ben_suzuki]

I got DSS set up sent to Hong Kong directly from the manufacturer. Torus 17 + Kaidex plate. I am using it AL80 and 3mm suit. this is minimalistic and cool. If you need to rescue your unconcious buddy with totally failed BC, you would need more lift capacity though.

My experience of other setups are

1. shoulder dump type inflator hose. Never used the dump. so no need.
2. BP padding. When diving doubles, I just once saw the bolts are too long and touching the suits directly, but this is not the case for single tank.
3. deluxe type of harness.. I immediately converted to one piece harness, because I did not use the feature of deluxe type harness. if you want to take rescue course or similar it would be nice to have quick release buckles.

 

[Doc Intrepid]

why is it? IOW, only for hogarthian? so some setup with shoulder release will not require it??

You may have noticed that while wearing some BCs, they shift around on your body. They may slide up or down, depending on whether you're at the surface or submerged, particularly if you go 'head down' for some reason, or else they shift around your body laterally a few degrees - e.g. the tank shifts sideways on your back a little bit.

With a backplate and wing, your ability to trim out underwater depends on your tanks NOT shifting around - either laterally or longitudinally on your body. This is particularly important wearing heavy double steels. A crotchstrap helps ensure the plate does not shift position on the diver's back, and hence keeps trim stable and constant.

Second, in confined spaces such as wrecks or caves, you must go where the passage leads - and occasionally this entails assuming head down attitudes in the water column. To ensure safety, diving under control is important. Tanks shifting around in such conditions would be problematic. A crotchstrap ensures the tanks do not shift around, and ensures that diver safety in confined spaces is not degraded by sudden unplanned shifts in bouyancy or trim.

So crotchstraps are an important part of the system because they ensure proper trim and bouyancy, which contributes to diver safety inside confined spaces.

Hope this helps,

Doc

 

[maged_mmh]

3. deluxe type of harness.. I immediately converted to one piece harness, because I did not use the feature of deluxe type harness. if you want to take rescue course or similar it would be nice to have quick release buckles.

thanks for your notes, actually it reminds me, although I finished my rescue course, is the one piece harness harder to take off than one with quick-releases?

as for now, here is the setup that I found to be "appealing" to me:
1. OxyCheq Ultra Lite Back Plate reviews and discounts, OxyCheq

2. OxyCheq Mach V Extreme Series Wing reviews and discounts, OxyCheq

yet to decide on the harness & other few accessories...

plan-B; if i didn't contemplate it for whatever reason is to go with SP knight hawk, as I said maybe I'd regret it later if I moved up to doubles at all; for the time being, me usage is limited to single tank dives.

any thoughts are welcomed.

 

[Standingbear56]

thanks for your notes, actually it reminds me, although I finished my rescue course, is the one piece harness harder to take off than one with quick-releases?

Hi Maged_mmh,
Being an instructor, and having taught many rescue courses, I can honestly tell you the following: IF (and with practice it isn't an issue) but IF you have trouble removing a HOG harness either from yourself or from an impaired diver, simply take your shears and cut it off! Since the harness is simply 2" webbing, it is totally expendable in an emergency. For the cost of a few feet of webbing, the BPW is right back in action. I even make it a point of showing my students how to do it, since it is such a cheap repair. Some HOG divers I know actually keep a spare set of webbing handy "just in case".
I'm sure many of the people here will agree with me when I tell you that you can take whatever Tobin tells you to the bank. I personally do not know of anyone who knows more about BPW than Tobin, and I've been diving for over 40 years.
Happy Holidays,
George :

 

[divestoclimb]

You can also remove a one-piece harness from an unconscious diver by lifting their arms and rotating the tank(s) off them and behind the head. It's a good idea to practice this once before you actually try it in real life.

In a real emergency though, yes, just cut the thing off.