Re: [PSUBS-MAILIST] Caught in weeds...

["Dan H." <jmachine@adelphia.net>]

The best I can come up with is, first of all avoid going through sea weed in 
the first place.  Even if you don't get entangled it may fowl a prop.

Second, if your entangled you can pressurize all your ballast tanks to 
lighten the sub and try to break the weeds.

Third, release your drop weights to add even more lift.

If you still have one thruster that is operable, rocking the boat while your 
going through the above steps might just give you the edge to break the 
weeds free.  If your still entangled after all that, your in trouble!

Now it's wait for help, and if that doesn't arrive, as a very very last 
resort, try to flood and escape.

If the sub was designed to release the thrusters or release the hull from 
the thrusters, you would have a better chance of surviving entanglement.
Weeds can be a problem but monofilament line and nets can be stronger and 
even a bigger problem.

I have never been entangled but the above is my plan if it happens.
Dan H.

----- Original Message ----- 
From: "s ï l k y vbmsT" <silkyfx@hotmail.de>
To: <personal_submersibles@psubs.org>
Sent: Friday, July 29, 2005 9:02 PM
Subject: RE: [PSUBS-MAILIST] Caught in weeds...


> tho in this situation it was a mistake that could have been easily avoided 
> we sould consider solutions to this problem. the last two psub reports 
> both mentioned having problems with sea weed || prop. do u know any good 
> solutions or preventetive mesures???
>
> > Yes but subs dive deeper than divers can go.So what do
> > you do if you get entagled in very deep waters?
> >
> > --- Alec Smyth <Alec.Smyth@compuware.com> wrote:
> >
> > > Hello Pierre,
> > >
> > > Similar experience here! I submerged and motored off
> > > along the bottom. All of a sudden the sub started
> > > going in unexpected directions when I'd hit the
> > > thrusters. It turned out I was trailing a short
> > > length of tow rope which managed to entangle itself
> > > in the tow boat's anchor line. It's the sort of
> > > thing you could never accomplish if you were trying
> > > to do it on purpose, the two ropes basically tied
> > > themselves into a firm knot when one dragged over
> > > the other. I never saw either rope from inside the
> > > sub, but did realize there was some sort of
> > > entanglement going on and called down the support
> > > diver, who cut me free in a moment. This to me was a
> > > good example of the usefulness of sub-to-surface
> > > communications.
> > >
> > > Rgds,
>
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