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Re: [PSUBS-MAILIST] Tender vehicle



Hi Hugh I am thinking on twin 24in dia by 20' pontoons. Four of them should give plenty
of lift ability if I want to lift the sub out of the water with it. The inner tubes would be about
5' apart, room for the sub. This would give me a 13 x 20 foot print, then I would lift the sub
up to give me about 2,000lbs for stability.
 
Dean
 
In a message dated 11/30/2009 3:26:23 P.M. Central Standard Time, hc.fulton@gmail.com writes:

Hi Dean,

I am really interested in your concept.  What size pontoons are you planning on.  I have done a couple of designs based on the one that had lakediver on.  I still don’t have the answer as the designs I looked at would not be good for a reasonable sea state.

Hugh

 

From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Recon1st@aol.com
Sent: Tuesday, 1 December 2009 9:26 a.m.
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Tender vehicle

 

Isn't 16' kinda short for ocean voyages? About the smallest craft I have been on the ocean

was 65' and that was pretty small a couple of times.

 

I am just going to dock the sub. The pontoon will have a winch and side walking platforms on

either side. The sub will sit centered and just drive in from the rear. The front will be hooked up

with a tow bar type device to my surface boat, a 35' Chris Craft Roamer. All the necessities of

life like the wet bar and such are on board. This setup should allow me to spend long periods

on the water and cover large areas. I will just have to feed the twin 100 gal + gas tanks.

 

Dean

 

In a message dated 11/30/2009 1:43:59 P.M. Central Standard Time, ShellyDalg@aol.com writes:

Hi Dean. I haven't made any specific plans for the pontoon boat yet, but I have been collecting random parts for it. I have some 14 inch diameter stainless tubes ( exhaust ductwork ) that's 18 gage, and some 4X4X1/2 aluminum angle. I was leaning toward two outboard motors, and a deck about 16 feet long.

I did consider using the stainless tubes for MBT's on my sub early on but went with a sleeker shape as it is now. A lot more work to fabricate the tanks I have now but the sub will be much sleeker and hopefully faster.

I haven't calculated how much lift the tubes will provide at 16 feet long yet, so I may need bigger diameter pontoons. I still plan on mounting a small ( 20 horse ) outboard on my sub for surface transit, and use the pontoon boat as a moving dock with BBQ, cooler, sun shade, and maybe some equipment like generator and compressor.

Frank D.



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