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> From:     Self <UMIST-MT-FS2/A.APPLEYARD>
> To:       techdiver@opal.com
> Subject:  Changing from aqualung to rebreather (was: Hello all) (PS)
> Date:     Mon, 4 Sep 1995 10:26:37
> 
> >   (1) You can no longer use breath control to effect buoyancy changes
because
> > of the counterlung. (I noticed that when I had a short oxygen rebreather
(Mark
> > IV Amphibian UK naval-type set) course around 1970.)
> >   (2) Avoid sawtooth profiles: to maintain neutral buoyancy they require you
> > to add/dump gas using up your diluent too quickly.
>   ...
>   (11) Most rebeathers are smaller and closer to the body and much more
> streamlined than aqualungs; you will find that with a rebreather you are far
> more agile underwater. (The reverse if changing from rebreather to aqualung.)

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