In January my 15 litre tank will need a hydro and I'm considering selling it and replacing it with a twin-7.
The twin-7 solves a few little problems that I have with the 15 and the format is firmly decided. I already have a larger twin-set and the double-7 is the largest format the instructors I work for will accept for assisting in OW.
Here is my conundrum: I can buy these sets in 232 (3400psi) and 300 bar (4500psi) variants. There are weight differences and I know about gas laws, trim, stability and blah blah blah. That's not my problem.
My problem is that part of me wants to buy the high pressure tanks to get the longer bottom times and part of me is worried about the strain on my 1st stages.
Which part of me should I listen to?
R..
The twin-7 solves a few little problems that I have with the 15 and the format is firmly decided. I already have a larger twin-set and the double-7 is the largest format the instructors I work for will accept for assisting in OW.
Here is my conundrum: I can buy these sets in 232 (3400psi) and 300 bar (4500psi) variants. There are weight differences and I know about gas laws, trim, stability and blah blah blah. That's not my problem.
My problem is that part of me wants to buy the high pressure tanks to get the longer bottom times and part of me is worried about the strain on my 1st stages.
Which part of me should I listen to?
R..