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From: "John Grogan" <john@ro*.co*.uk*>
To: <vpg@li*.ne*>, <techdiver@aquanaut.com>
Subject: Re: Auto inflate smbs
Date: Thu, 29 Apr 1999 17:30:59 +0100
>Has anyone got experiance of auto inflate delayed smbs? I believe someone
>makes a pyramid shape one which provides good viz in choppy water and is
>particularly suited to deco
>
>Any info? Your now going to tell me its not dir?


Vinnie - I used to use one, but I don't anymore for a number of reasons:

1. They're not DIR
2. If you forget to fill the inflate bottle, they're useless - you can't do
a manual inflate.  Also, as just about everyone had DIN and the bottle was
A-clamp, there were problems filling it.
3. They often unravel during a dive - or more particularly when you jump in
and sometimes you just don't realise that it's 'flapping in the breeze'
behind you
4. It once inflated at 30m on a dive.  Thankfully, I was inside a wreck at
the time and I just got pinned to the ceiling.

My advice is to get a self-sealing buoy - like the AP Valves one.  If you
keep the tension on it on ascent, it will stand clear in the water (up to 1m
clear) and be more visable than a pyramidal one.  Certainly from my
experiences on boats, these are the easiest ones to spot.

Best,
John.

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