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In a message dated 7/24/98 8:23:49 PM Eastern Daylight Time,
cobber@ci*.co* writes:

> Well, my point was that the DIR system does not accommodate singles,< snip
>
    so if you have a jacket BC, keep it until you can 
>  raise the shekels to do it right.
>  
>  I have a mini-wing single setup myself, but there is no huge advantage to 
>  it if you already have a jacket style BC. 

  Jim,
 
   I couldnt disagree more with the above.  

   While you are prudent when diving a single to avoid deco, and the deep or
long exposures it usually accompanies, the single tank most definately figures
into the DIR philosophy as I understand it. For shallow , or short exposures
streamlining and minimalism demand the single tank with only one first stage.
Redundancy is achieved through the buddy. 
       The harness and small wing are the ideal tools for the single, whether
halycon, or diverite, or seatec, or aul, or homemade.  The only place for a
jacket is for the student or the renter. Students require the buckles and
heads up floatation, as they have not yet mastered diving, and may more likely
require rescue. The renter is more likely to have less developed skills or
rusty skills, and thus also has the greater potential for requiring rescue.
Most new divers would be well advised not buy gear until they have developed
their skills. Unfortunately this does not sell dive gear or fund dive shops.
    The small wing setup on a single is an amazing change from the jacket, it
is easier to acheive proper trim in water, is faster to swim due to less drag,
less likely to break, and  with certain brands is cheaper. 
   Ideally shops would have both types for rental, so that divers could try
them out and their skill levels would likely help them to decide what bc they
could handle.

    Regards,

    Al Marvelli  
    
   
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