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Re: [PSUBS-MAILIST] Rand Corp sub competition entry



Doug,

This looks to be a fast surface craft for longer ranges then a wet sub might have or be comfortable in.  The longer you stay in water, the more your hands and feet will have trouble completing a task on land or sea.  I would want to save my physical and mental strength for the greater task ahead, in stead of just showing I've got guts to survive.

On the surface I would expect this sub to be much faster then most wet subs. Also as you well know missions don't always go as planned and there maybe a serious delay required at the mission sight or on pick-up by the mother sub or other.  If a seal has to spend a large number of hours freezing his arss off, he would likely need more down time to recharge, before he is ready for another mission.

Thanks much for the extra pics links.

Regards,

Brent



From: djackson99@aol.com
Reply-To: personal_submersibles@psubs.org
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Rand Corp sub competition entry
Date: Fri, 23 Feb 2007 14:37:27 -0500

Paul: I when and found another source with better photos.

http://www.navytimes.com/news/2007/02/apsubmarinedesigner070211/

Click on the "Next Photo" on the link above or use the following links:

http://photos.jacksonville.com/mycapture/enlarge.asp?userphoto=0&image=14003793&thispage=1
http://photos.jacksonville.com/mycapture/enlarge.asp?userphoto=0&image=14003790&thispage=1
http://photos.jacksonville.com/mycapture/enlarge.asp?userphoto=0&image=14003787&thispage=1

I just dont get why they are so interested in keeping the team dry.  They are going to get wet anyway, they have to breath air transported on the sub anyway, the water in the cabin can be warmed to reduce stress, and they certainly already have wet communication ability.  So why build a sub that is tons heavier and much slower than a wet delivery sub?   --Doug J



 
-----Original Message-----
From: paulkreemer@gmail.com
To: personal_submersibles@psubs.org
Sent: Fri, 23 Feb 2007 12:11 PM
Subject: Re: [PSUBS-MAILIST] Rand Corp sub competition entry

Doug, I think you gleaned more from the article and photo than I did!  So the cockpit is centered, huh. 

This new competition with Rand sounds like a follow on to the cancelled ASDS mini-sub program.  The SEALs wanted a better vehicle than their old wet SDV.   Maybe the ex-SEALs in the PSUBs group have some non-classified comments.  Things they could tell us without killing us afterwards.


ASDS article:
http://www.defenseindustrydaily.com/2006/08/asds-minisub-program-taking-on-water-updated/index.php



keep on planing-
Paul


On 2/15/07, djackson99@aol.com < djackson99@aol.com> wrote:
Paul:  Thanks for posting this. I of course think it's the neatest thing since sliced bread.  I wish there were more details available. With their experience, team effort, commercial goal, and financial backing it will be very exciting to see what they achieve. 

As flattered as I would be to think they took any ideas from my design, I doubt that happened as I am always looking for the low cost approach and focused on maintained good downward vis and low submerged speed.  Perhaps the North Koreans will be interested in my low cost approach?  Maybe I can sell a version to the Navy for interception practice? :)

Their cockpit looks to be centered which just makes sense if you're looking to deliver a SEAL team.  I do think they have over done the hype; a surface planing submersible as important as the helicopter? Ha!  And besides the SEALS already have a surface planing submersible, it's just wet.  I really don't see any real benefit in building a craft that will deliver the SEAL team in a dry environment when they will inevitably have to enter the water to make land fall.  I do bet they can sell some as rich boy toys.

I'd be interested to know what you and others think.

Best Regards
Doug Jackson
www.submarineboat.com



 
 
-----Original Message-----
From: paulkreemer@gmail.com
To: personal_submersibles@psubs.org
Sent: Tue, 13 Feb 2007 12:16 AM
Subject: [PSUBS-MAILIST] Rand Corp sub competition entry

Reynolds Marion, and team, building a sub for possible military or commercial use.  From the little description in this article I'd guess they took a page or two from Doug Jackson's design: "marries a speedboat and a submarine".

http://www.gainesville.com/apps/pbcs.dll/article?AID=/20070212/LOCAL/702120304/-1/news



Paul


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