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Re: [PSUBS-MAILIST] Distress buoy

If the main purpose for the emergency line is to pilot a cable to lift the boat,I still think a vacuum packed 1ton or larger lift bag with a air hose attached to the inside, inflated by the pilot ,held in place by a square sheet of pvc and velcro to hull could save the day .In combination with this one could attach sharp blades in stratigic places .As a last resort a emergency marker could be deployed.I agree with you Alan that not only is it more logical to attach the hook to the stern to act opposite to the direction which caused the trouble,but allso winching a boat attached any other way will put more pressure on the tackle.(like pulling a fish thats been foul hooked in the side)
Glen
----- Original Message -----
From: Alan James
Sent: Friday, August 27, 2010 11:24 PM
Subject: Re: [PSUBS-MAILIST] Distress buoy

I was thinking that it would be better to put a release buoy
& lifting eye on the rear of a sub.
99% of the time you'd be driving forward into any obstruction,
so if the gear was on the rear there would be less chance of it being
obstructed also the lifting angle would be better for pulling you out.
Alan
----- Original Message -----
Sent: Friday, August 27, 2010 11:58 PM
Subject: Re: [PSUBS-MAILIST] Distress buoy

The advantage is that the arrangement is cheaper and less complex if the reel carries the line. But looking at Phil's arrangement suggests that it doesn't have to be. The wire strop through your reel axle seems pretty simple and cheap, too. Moreover, it's already proven.

The real-reel issue for me is where to put something like this on Gamma or a Kittredge. Almost anything I do puts the reel and buoys in the pilot's way. Frank can bury one in his fairings, but the Nektons don't have any of those. I'll have to cobble something together for a mock-up to see how best to do it.

Vance



-----Original Message-----
From: ShellyDalg@aol.com
To: personal_submersibles@psubs.org
Sent: Thu, Aug 26, 2010 11:26 pm
Subject: Re: [PSUBS-MAILIST] Distress buoy

In a message dated 8/26/2010 6:28:40 P.M. Eastern Daylight Time, jimtoddpsub@aol.com writes:
What's the advantage of having the reel travel with the buoy instead of remaining with the sub and unreeling from there?
Hi JT.
I don't see any advantage in having the reel attached to the buoy either. It will just add weight and entanglement hazards to the buoy. Good idea on marking the line to show depth.
 
 
Alan: My little sketch didn't show the release mechanism very well. My thought was to use a spring loaded pin that keeps the latch on the buoy closed. The "entrapped" pin in the thru-hull would push out the spring loaded pin in the release mechanism, providing a positive lock on the buoy. The thru-hull just needs to be a small one. I think a 3/8 inch nipple would be fine with a 1/4 inch rod trapped inside with "O" rings to seal.
The valve would only be open for a few seconds to activate the release.
Magnets might work but you still need a release mechanism of some sort.
Lots of guys use a small hydraulic hand pump to activate the drop weight latch. It would be fairly simple to add a valve and line to the pump to activate the buoy release.
Frank D.