On Fri, 7 Apr 2000, Jim Cobb wrote:

> -You can do a 2 dive rec trip on the same set of doubles. With double 40's
> you would need 2 sets or hope the boat has air.

True. I can get 3 dives off my double 95s. But why use them for a single
dive night trip?
 
> -Buoyancy characteristics of the 40's are not correct for drysuit use, you
> would need a weight belt.

We're talking about Faber 45s. Like ALL of the Faber LP steels, they are
neutral when empty. We change among double 45s, 85s and 95s without
changing anything else. We use a V-weight in every case.
 
> -Double 95's or 104's are heavy only out of the water. I don't know about
> you but I configure for the dive, not for the surface.

Being properly configured for a recreational profile does not require 180+
cubic feet of gas. I see no harm in carrying just what is needed.

> A good idea if you intend to advance to tech diving is to go ahead and get
> setup DIR and dive all your dives, rec or tech, like this. This way you
> become one with your equipment, know exactly what your buoyancy is for every
> dive, know exactly where your equipment is located. And no better way to get
> used to your equipment than to use it frequently and on lots of low-stress
> dives.

This is exactly the reason for using doubles all the time.
 
> Otherwise stick with a single 80 and plan your dive appropriately.

What did you say about buoyancy characteristics and a drysuit?

-- 
Art Greenberg
artg@ec*.ne*







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