Quick question

[Scubapat]

i usually dive with a steel cylinder, will i need significantly more weight when using an aluminum cylinder?

 

[REII]

Yes, probably 3-5 lbs.

TOM

 

[Scubapat]

ok thank you

 

[MissyP]

I use 4 extra lbs when I go from steel to AL, so it's not a significant difference...

 

[mirrocraft]

i have a 6 pound difference it depends on your body

 

[Packhorse]

i have a 6 pound difference it depends on your body

Care to explain why?
I thought it would all depend on the diffrent bouyancy of the tanks.

 

[TeddyDiver]

i have a 6 pound difference it depends on your body

Nothing to do with you body:14:
i usually dive with a steel cylinder, will i need significantly more weight when using an aluminum cylinder?
In most cases, yes! However check the boyancy characteristic of your tanks before you add the weights. There are also steel tanks more boyant than Al's...

 

[BKP]

i usually dive with a steel cylinder, will i need significantly more weight when using an aluminum cylinder?

Depends on the Al cylinder.

If it's a Standard 80, you can expect 5 to 7 lbs. difference (a typical steel is 2 to 3 lbs. negative empty, the S80 is about 4 lbs. positive empty). If it's an Al Compact (which is slightly negative empty - .2-.4 lbs, depending on whether it's a C80 or C100), there will be a less significant difference.

Oh... and it has nothing at all to do with your body... That doesn't change regardless of your tank choice...

 

[Scuba Sciences]

Hi,

For me when using a steel 72 vs an alum 80 I can usually dive with 4 lbs less weight when I use steel.

Your body density has a lot to do with it also when exposure suit you are wearing.

Tina
Scuba Sciences, Inc.
www.scubasciences.com

 

[Damselfish]

your body and suit help determine how much weight you need overall, but have no relationship to changes needed for different tanks.