[PSUBS-MAILIST] Great White mods

Sat Feb 8 19:27:34 EST 2014

Joe,

It's something to keep in mind, that view angle. The K's work nicely if you are lying down, and a big dome port is even better. But if you measure the line of sight from say a K-350 front conning port, over the ballast tank and to the ground in front, it is a long, long way. Distance is your enemy down there. Even in good viz, details wash out quickly.

Vance

-----Original Message-----
From: Joe Perkel <josephperkel at yahoo.com>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
Sent: Sat, Feb 8, 2014 5:42 pm
Subject: Re: [PSUBS-MAILIST] Great White mods

Vance,

External Hookah's, how interesting. That set up looks pretty ideal for shallow water salvage or archeology. I looked again and found the uncovered aluminum frame.

Your comment regarding pilot angle of view has bothered me for a number of years on my own design. I've repeatedly struggled with this very issue which is why my recent renewal of interest in the Nektons, and Hanks efforts in particular.

Jim,

Another look and I think you're correct in your assessment that those slats are synthetic flooring or decking. Note the concentric (plastic?) ring that butts up against the ribs for screw attachment.

Joe

  On Saturday, February 8, 2014 5:01 PM, "JimToddPsub at aol.com" <JimToddPsub at aol.com> wrote:

Joe,

Yes, I would like to see more of the details on the makeover, but Scott's intended audience was not sub design enthusiasts.  His focus was more on drawing people into support of the mission which is a very important one.  He has mentioned getting the Great White to a Psubs convention.  That would be a great opportunity to really look it over and probably hear a presentation.

Jim

In a message dated 2/8/2014 2:25:16 P.M. Central Standard Time, vbra676539 at aol.com writes:
Joe,   

The external deck mounted scuba tanks   are for hookah rigs, as I understand it. The rest of it seems to have been   built in aluminum angle to contain big MBTs and shield the other equipment.   Still no manipulator. He could really use one of those, maybe a   ball-and-socket variant welded in next to the front viewport? The wheels are a   cool little addition. Obviously they have enough bearing strength, and they   can launch and retrieve off channel ramps rather than trying to find a boat   ramp and trailer tongue long enough to back the whole thing down. Neat   solution.

Vance

-----Original   Message-----
From: Joe Perkel <josephperkel at yahoo.com>
To:   Personal Submersibles General Discussion   <personal_submersibles at psubs.org>
Sent: Sat, Feb 8, 2014 3:16   pm
Subject: Re: [PSUBS-MAILIST] Great White mods

Jim, 

Did   you catch the external "Rescue Ballast" valve handles? I really liked that!   Clearly marked and self explanatory, much like the canopy release on military   AC.

The   rest of the design is harder to follow the train of thought. It would be   helpful to see a cutaway, wire-frame, or ghosted image. Did I miss one   somewhere?

Joe

On Saturday, February 8, 2014 2:33 PM,   "JimToddPsub at aol.com" <JimToddPsub at aol.com>   wrote:

OFF LIST

Yeah, Scott is a great guy, but he's a man on a   mission.  I'm sure he will read the emails referencing Great White or   Undersea Voyager project.

I suspect the interior materials used were either synthetic   wood flooring or synthetic decking material.  Both are far superior to   real wood for this application, but you would have to check for off-gassing   properties both from general usage in a confined space or in the event of a   fire.

Jim

In a message dated 2/8/2014 1:18:33 P.M. Central Standard Time, josephperkel at yahoo.com writes:

Thanks Jim, 

Somehow     I get the feeling this fellow Scott is too busy for chit chat!

Joe

On Saturday, February 8, 2014 2:07 PM,     "JimToddPsub at aol.com" <JimToddPsub at aol.com>     wrote:

Joe,

If you got to http://www.underseavoyagerproject.org/ and scroll     down to the Mission Video you'll see some shots of the interior, but there     is no description of the materials used.

Here's another video before its latest makeover:  http://www.youtube.com/watch?v=a-XGT8rPZs8

Jim

In a message dated 2/8/2014 10:26:39 A.M. Central Standard Time, josephperkel at yahoo.com writes:

Jim,

There is a photo somewhere of that subs interior. One can clearly see       longitudinal slats mounted inside and over the ribs.

I'd like to know what those are as they give the interior a smother       neater appearance and an apparent mounting surface.

Joe

On Feb 7, 2014, at 11:21 PM, JimToddPsub at aol.com       wrote:

Here's another article showing the external mods to Great         White.  It doesn't look much like a K-250 anymore.  There's a         photo gallery about 70% of the way down.  -Jim

http://californiadiver.com/undersea-voyager-project-completes-final-submarine-test-dives/

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