Re: [PSUBS-MAILIST] Launch Retrieval Transport

Vance,

You are actually correct after reviewing Will Forman’s The History of American Deep Submersible Operations. Forman, Tap Pryor, and Bill Walker built the first LRT as part of Makai Range (later Makai Ocean Engineering) and made many demonstrations to the Navy in hopes of a sale. The Navy went and built their own. After some financial difficulties, Star II and the LRT was transferred to Maui Divers Deepex where they made 240 dives harvesting pink coral before a diving accident in September 1975 resulted in the death of two divers and the loss of the LRT in deep water.

A new LRT was built and coral harvesting operations continued. In January 1979, Star II was transferred by General Dynamics to the University of Hawaii. Maui Divers continued using the LRT and Star II up to dive number 859. Star II continued scientific ops (after a rebuild and renaming) with the LRT until the sub was retired in 1987, last dive was 1271. The LRT was later mated with the Pisces submersible for further scientific ops. The second LRT was more substantial as it was towed with the sub to Johnson Island.

Thanks for making me go refresh my memory!

Respectfully,

Jay K. Jeffries

Andros Is., Bahamas

It is the mark of an educated mind to be able to entertain a thought without accepting it.
- Aristotle

From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of vbra676539@aol.com
Sent: Monday, November 06, 2006 1:42 PM
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Launch Retrieval Transport

Is that right? Hmm. I'm pretty sure it was the other way around, but wasn't there, so won't swear to it. The Makai'i Range (or somebody) built a 35 footer and ran Star II off it for deepwater coral harvest. I thought the whole kit and kaboodle belonged to the University of Hawaii, somewhere in there, but it's hard to keep up with those folks over there past the left coast. One of the Nektons used it, too, and some testing was done with some of the first acrylic hulled test beds, and I think Phil N. used it off and on with some of his projects. When Pisces IV and V got into the picture at the U of H, a bigger LARP was built to handle the 12 ton load until they got a ship big enough to handle an A-frame. Maybe they still use it, but I don't know. Wasn't it the smaller LRT being used when a diver died? Those things are still available commercially by some of the same people--they specialize in all sorts of aluminum work, including that. Don't ! know them, but I've seen their web page, with a Pisces on the LARP.

Vance

-----Original Message-----
From: bottomgun@mindspring.com
To: personal_submersibles@psubs.org
Sent: Mon, 6 Nov 2006 12:12 PM
Subject: RE: [PSUBS-MAILIST] Launch Retrieval Transport

The LRT was originally designed for another purpose/vehicle and was given by the Navy to Hawaii

R/Jay

Respectfully,

Jay K. Jeffries

Andros Is., Bahamas

It is the mark of an educated mind to be able to entertain a thought without accepting it.
- Aristotle

From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Joseph Perkel
Sent: Monday, November 06, 2006 8:19 AM
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Launch Retrieval Transport

Rick,

We are limited to 8.5' legal trailer width, so raising the cg significantly increases the risk of upset in moderate seas.

Take a look at the L to W ratio of the LRT in this photo.

http://www.photolib.noaa.gov/nurp/nur07542.htm

Joe

From:  "Rick and Marcia" <empiricus@telus.net>
Reply-To:  personal_submersibles@psubs.org
To:  <personal_submersibles@psubs.org>
Subject:  Re: [PSUBS-MAILIST] Launch Retrieval Transport
Date:  Sun, 5 Nov 2006 22:59:25 -0800
>Hi, Jay - you made reference to pontoon boats and open water.  In what way
>do they not perform well?
>
>Rick L
>
>
>----- Original Message -----
>From: "Jay K. Jeffries" <bottomgun@mindspring.com>
>To: <personal_submersibles@psubs.org>
>Sent: Saturday, November 04, 2006 2:58 PM
>Subject: RE: [PSUBS-MAILIST] Launch Retrieval Transport
>
>
> > This goes along the lines of a planning sea sled that Joe and myself have
> > previously discussed off-line.  Just remember that pontoon boats do not do
> > real well in openwater.
> >
> >
> >
> > I am finishing up a quick review of the issues surrounding launch and
> > transport of submersibles in skinny water.  Should post it shortly.
> >
> > R/Jay
> >
> >
> >
> > Respectfully,
> >
> > Jay K. Jeffries
> >
> > Andros Is., Bahamas
> >
> >
> >
> > It is the mark of an educated mind to be able to entertain a thought
>without
> > accepting it.
> >   -  <http://www.quotationspage.com/quote/1152.html> Aristotle
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >   _____
> >
> > From: owner-personal_submersibles@psubs.org
> > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Joseph Perkel
> > Sent: Saturday, November 04, 2006 5:40 PM
> > To: personal_submersibles@psubs.org
> > Subject: Re: [PSUBS-MAILIST] Launch Retrieval Transport
> >
> >
> >
> > Seans idea of turning a trailer into a dry dock....looks pretty good!
> >
> > http://www.u-fabboats.com/docks/dockexplodedview.htm
> >
> > Take these cylinders, cut flood ports, reverse them mounted astride a
> > marinized utility trailer which then acts as ballast, add flotation above
> > these (square plywood foam filled modules), dual batteries and
> > blowers.....voila!
> >
> > Arrive at boat ramp, .....launch the whole rig,..... float out to deeper
> > water.....vent down to launch.....start blowers to re-float. One crew
> > returns the "dry-dock" to shore, ( a small trolling motor), and the
>skipper
> > either motors the sub dockside, or waits in the lagoon area for surface
> > support.
> >
> > I do so very much like "brainstorming"!
> >
> > Joe
> >
> >
> >
> >
> >   _____
> >
> >
> > From: "Joseph Perkel" <joeperkel@hotmail.com>
> > Reply-To: personal_submersibles@psubs.org
> > To: personal_submersibles@psubs.org
> > Subject: Re: [PSUBS-MAILIST] Launch Retrieval Transport
> > Date: Sat, 04 Nov 2006 21:52:19 +0000
> >
> > Sean,
> >
> > Now check me here... a rectangular box (float / MBT) 16' x 2' x 2' = 64
> > cubit feet volume ....correct?    This is 4096 lbs lift, x 2 = 8192 lbs
> > total lift.....correct??
> >
> > .....Well then, your floating utility trailer / dry dock, is a very real
> > possibility.......
> >
> > http://www.marisco.net/drydock.htm
> >
> > This I believe, is one of those "light bulb" moments...!
> >
> > Thanks
> >
> > Joe
> >
> >
> >
> >
> >
> >   _____
> >
> >
> > From:  "Sean T. Stevenson" <cast55@telus.net>
> > Reply-To:  personal_submersibles@psubs.org
> > To:  personal_submersibles@psubs.org
> > Subject:  Re: [PSUBS-MAILIST] Launch Retrieval Transport
> > Date:  Sat, 04 Nov 2006 12:30:11 -0800
> > >Just throwing this out there, but what about designing a trailer
> > >that was a floating drydock?
> > >
> > >
> > >
> > >
> > >
> > >
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>The personal submersibles mailing list complies with the US Federal
>CAN-SPAM Act of 2003.  Your email address appears in our database
>because either you, or someone you know, requested you receive messages
>from our organization.
>
>If you want to be removed from this mailing list simply click on the
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> removeme-personal_submersibles@psubs.org
>
>Removal of your email address from this mailing list occurs by an
>automated process and should be complete within five minutes of
>our server receiving your request.
>
>PSUBS.ORG
>PO Box 311
>Weare, NH  03281
>603-529-1100
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************************************************************************ ************************************************************************ ************************************************************************ The personal submersibles mailing list complies with the US Federal CAN-SPAM Act of 2003. Your email address appears in our database because either you, or someone you know, requested you receive messages from our organization. If you want to be removed from this mailing list simply click on the link below or send a blank email message to: removeme-personal_submersibles@psubs.org Removal of your email address from this mailing list occurs by an automated process and should be complete within five minutes of our server receiving your request. PSUBS.ORG PO Box 311 Weare, NH 03281 603-529-1100 ************************************************************************ ************************************************************************ **************************! **********************************************

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