Re: [PSUBS-MAILIST] Launch Retrieval Transport

["Rick and Marcia" <empiricus@telus.net>]

As Vance pointed out, a LARP may be the ticket.  You can buy an aluminum
pontoon boat for $15,000 CDN.

Nothing says the LARP has to be fully submersible.  Given, of course, that
you won't be L&R'g in adverse conditions.  Dip the bows (keeps the outboard
in the stern clear) to L&R, winch it in and out.  Fully submersible and all
the issues Vance pointed out come up.

Rick L



----- Original Message -----
From: "Joseph Perkel" <joeperkel@hotmail.com>
To: <personal_submersibles@psubs.org>
Sent: Saturday, November 04, 2006 12:37 PM
Subject: Re: [PSUBS-MAILIST] Launch Retrieval Transport


> Frank,
>
> Yes, I did see that drawing. What you describe, is an articulated
tug-barge combination, or integrated tug barge depending on connection. You
usually see this in protected waters, they seem to prefer to "drag" offshore
tows.
>
> I was going to defer this for another time regarding surface support
vessels. But, one reason that I found the submersible LRT barge interesting,
was the possibility of mating it to the bow of this......
>
> http://boatplans-online.com/proddetail.php?prod=HB20
>
> Click on the "study plans" and "building method", and you will see that
this would go together real quick, and a whole lot of "bang for the buck",
which is always welcome.
>
> Now granted, this particular little barge, is best suited for protected
waters but, it has the advantage of the fact that my wife, actually wants me
to build this, and is quite excited about it. I figure having the topside
crew "comfy", will make taking the sub out, more enjoyable for all involved,
and this would make week-long jaunts...quite doable.
>
> So if you should come across a viable interconnection scheme....I'm all
"ears", or "eyes" as the case may be!
>
> The problems of launch, retrieval, transport and surface support, are very
real us.
>
> Joe
>
>
>
>
>
>
>
>
> --------------------------------------------------------------------------
----
>   From: ShellyDalg@aol.com
>   Reply-To: personal_submersibles@psubs.org
>   To: personal_submersibles@psubs.org
>   Subject: Re: [PSUBS-MAILIST] Launch Retrieval Transport
>   Date: Sat, 4 Nov 2006 14:37:53 EST
>
>
>   Has anyone seen the old conceptual sketch I put up on frappr? The idea
is to have a pontoon section attached to the sub with a quick disconnect,
and the pontoon section stays afloat with genset, winch, compressor,
communication base, ( and sun shade with cooler full of beer!) and most
importantly......an outboard motor which will drive the sub/pontoon section
to the dive site quickly. A hundred horse Merc should push the craft at 15
to 20 knots so a dive site 2 miles off shore could be reached in an hour or
less. Separate the two, and take er down. If the depth is fairly shallow,
stay tethered to the pontoon with air, elec, and wired communications, plus
a steel tether to keep you from getting too deep. Pretty much gives you
unlimited bottom time and unlimited power ( size the motors to overcome the
additional drag caused by the tether) and should be pretty simple down to
say 150 feet deep.
>   For deeper dives, cut loose, and go on battery power alone, but with the
pontoon section being driven around on top by the surface crew.
>   If you never wanted to go deeper than 150 feet, you could use an all
A.C. system with big motors and run a 220 volt power supply down to the sub,
fed by an onboard genset.
>   You'd still need battery back-up to run the C.D. player, and all the
other back-up systems like air, but you could run some really big thrusters.
>   Sorry guys.....Just mind wandering.......Frank D.
>
>
> ************************************************************************
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