Newbie with Hy-Mark Cylinders

[jfranklin78]

Hello, I am Jason Franklin the VP/General Manager at Hy-Mark Cylinders. My wife and I are both recreational divers. I developed our scuba product line in 2004. Hence then we have made several design changes to achieve great buoyancy characteristics. I am looking for feedback regarding our scuba tanks. I am hoping to learn more about what the dive community is looking for in aluminum scuba tanks. If you have had the opportunity to test or use a Hy-Mark scuba tank please feel free to let me know what you think. I come from an engineer background and would love to make changes in our tank’s design to help achieve exactly what divers are requesting.
Cheers,
Jason

[navyhmc]

Hi Jason!

At first I thought you were a new diver who purchased a couple of Hy-mark cylinders...

Welcome.

Personally, I don't have one but I know a few members here made a group purchase recently. Now, if you wanted to send me one to do product testing...

I am happy that you have oined the forum. I will definitely give Hy-mark a go when I can get a new tank.

A few things I can say Iwould like to see is a true 80 cu ft. AL80 Luxfer is 77.4 and catilina is 77.8 A neutral empty is nice if it can be engineered to weigh less than a steel 130. I'm not sure if I'd be comfortable with a HP (3442 psi) AL though. So I'd say a true 80 would be my highest preference.

[IndyDiver]

Welcome to the forum, Jason.

I am just in the process of getting a hy-mark cylinder. I will let you know what I think of it relative to luxfer and catalina.

[tk trekers]

Welcome aboard Jason! I have 4 Hy-Marks. I'm still fairly new to diving so I can't really provide much input at this time but I will be happy to share something when I have it.

[scubabill]

Frank,


I would like a Alum. Tank with as close to 0 buoyancy empty as you can manage. A little negitive is better (slight)
The problem allot of people have with alum. tanks is the positive buoyancy
when empty.
Not sure is possoible with the laws/DOT ect ect.....But the dream
alum. tank to me would be

100 size
negative buoyancy empty
3000++ psi
Figure out a legal way to get us a little bit of over fill and your golden.
I was just 5 mins ago looking at specs for your 40's for a duel setup, but dont know how positive they are empty??????
If they aren't to positive, ill buy 2 next week.
Maybe find some TOP quality valves and create a vip alum tank with the good stuff top to bottom. I think there would be a market for that.
You got a step up on the others with your nice natural finishes.
Need a traveling sales person to saturate the FL market with your tanks
starting Aug 1st? Im your man! Let me know.



Bill
240 529 2074 Cell.....(in DC now, FL bound Aug. 1st.)
Call any time.




Good luck!

[Recon]

I would like to see a tank about 18" tall, that can hold about 500cf of air , but that will never happen, seriously though, I would like to see a cylinder that is slightly negative when empty, the same size as a al80 but that is a HP+ tank that holds like 100cf (as I am a air hog..) right now, i have a luxfur NB AL80 and I like it, but if I want to stay down with other divers I have to sling a 19cf tank and switch to it towards the end of a dive.

~Recon