About 16 3/4" .....Overall it is 17"antique diver wrote:Nice job Luis! This could be a big hit with the crowd, and I am already picturing one in my compact dive kit.
Could you give me the measurement from the top of the upper shoulder strap slot to the bottom of the waist strap slot? I have to use a fairly short measurement there to comfortably have room for a weight belt below the waist strap.
I have used a number of flat plates in many occasions, from Healthways, Seacraft, and several others including a vintage home made one.ebj wrote: It's about time we had a flat plate!! I've been using the crossed strap method on my aluminum backplate for several years, and along with a crotch strap it keeps the tank tight to my back with no movement.
I made the slots long to add flexibility in accommodating tank (valve height) and a number of different potential BC wings. In my experience, with the use of two tank bands the tank can be made very secure.ebj wrote: Is there a possibility of making the tank band slots shorter? I can see the bands sliding up a bit when changing tanks out offshore.
I like the idea of using plastic tie-straps to hold the wing while positioning the unit on the tank. The use of metallic hardware on the aluminum plates concerns me a little. Not so much because of galvanic corrosion, but because a tight countersunk screw will have more tendency to hold salt under the screw head and cause corrosion. A tie-strap (or something similar) would allow for better rinsing. It is not a big issue, but I like to plan for long term durability.ebj wrote: I just drill small holes in my plate that line up with the holes in my wing and use zip ties to hold the wing in place. This is easy to do with an aluminum plate.
You can't slide the pack straight down directly over the J valve but you can get it on by putting it over J valve first and spreading the band to slip around the tank.SurfLung wrote:- BRAVO! Just what I've been needing! I recently got a 1960 Aqualung "Bac-Pac" that I think is the only back plate/back pack ever designed specifically for double hose regulator positioning. I thought it was my "solution" but have discovered it has to slide over the tank valve... And my valves don't fit the opening. I got it on a tank by removing the valve but it sort of defeats the portability. Here's what I'm talking about:
- After all these years, somebody has once again made a back plate especially for double hose regulators... I'll definitely be ordering your new VDH back plate!
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