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----- Original Message ----- From: <stuart.morrison@sw*.co*.uk*> To: <dir@lo*.co*>; <techdiver@aquanaut.com> Sent: Monday, August 14, 2000 5:47 PM Subject: RE: Lift bags > > The problem with a spool is that it just doesn't hold enough line to > launch it from the bottom, especially in a strong tide. They are OK for > midwater use though. It is better to carry two good primaries, doesn't > cause any more clutter than one + spool. I launched a bag from 50m on a > 100m reel and it just made it. Used a spool the other week on a dive where the primary jamed (not an EE :-( I deploy just before my first gas switch, which was 21m (50%) in this case. I ended up completing the gas switch, then took out my spool & backup bouy. As I was well practiced in deploying via the exhaust gas method, there was no different skill required in backup deployment. Very tempted to use the spool as primary deployment method, as it was a cinch. > There is still the same risk with exhaust bubbles. Jetstream/Odins were > terrible for it because the shape made it easy to put the exhaust port in > the bag whilst breathing from it. It's very tempting to do and I saw > divers twice get caught. You need to be equally careful with exhaust > bubbles when you have the line and bag so close to your face. Lost masks > are common too. Don't use Pisidons - so not a risk for me. There is no loose line - Have the reel in my left hand and grip one edge of the buoy with my thumb against the reel The other hand pulls open the other edge of the buoy. This is done about 6" above my head. Turn head upto the left and exhale - you can see the buoy fill with your left eye. Repeat exhale then bring hands forward and release buoy. run thumb lightly on the rim of the reel to prevent over-run & provide smooth deployment. HTH Dave -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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