damageddiver
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I like my HP 100’s +1 @ 500psi. AL are usually much higher +5 or better.
Doubles
- Thread starter Razorblade
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If you are diving doubles with a wet suit, AL80's and Steel 72's make good, and inexpensive, choices.
The AL80's are a couple pounds heavier and require about 4 lbs more weight per tank to achieve neutral bouyancy when they are empty. In either case, with two tanks and twice the air, you will have twice the swing weight, so proper weighting becomes critical.
Using heavier higher capacity steel tanks for doubles can be less than ideal with a wet suit if you are over weighted even with no weight belt. Plus a wet suit offers no redundant bouyancy. You want to be able to swim up the whole load with (nearly full tanks) with an empty BC and without dropping weights. That is easy for most divers to achieve with AL80's or steel 72's but can be problematic with higher capacity tanks if they leave you overweighted.
The AL80's are a couple pounds heavier and require about 4 lbs more weight per tank to achieve neutral bouyancy when they are empty. In either case, with two tanks and twice the air, you will have twice the swing weight, so proper weighting becomes critical.
Using heavier higher capacity steel tanks for doubles can be less than ideal with a wet suit if you are over weighted even with no weight belt. Plus a wet suit offers no redundant bouyancy. You want to be able to swim up the whole load with (nearly full tanks) with an empty BC and without dropping weights. That is easy for most divers to achieve with AL80's or steel 72's but can be problematic with higher capacity tanks if they leave you overweighted.
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