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RE: [PSUBS-MAILIST] Chinese home-built sub makes the water



Remember that those drums were heavily corrugated so it may well go to 30 ft.  Better him than me.  Brent could do an FEA on that.  Should keep him quiet for a while.

Wonder if there are any previous subs done with corrugated shells.  Maybe the French did that after they built the 2CV (Deux Chaveaux ?? (Spelling))  It had corrugations.

Chs, Hugh

From: owner-personal_submersibles@psubs.org [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Alan James
Sent: 07 September 2009 09:29
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Chinese home-built sub makes the water

 

Hi Brent,

Just did some homework on "Chinese death trap".

The article says its 1.6 tonnes & calculating out the displacement of 7 drums thats about right.

Wich means the drums must be his pressure hull & not an outer ballast tank.

He says he can go to 30ft, but a thick 1.2mm drum has a crush depth of 16ft. If he reinforced all

the drums half way that would only give him 33ft. Might be wrong, he might be an ardent follower of psubs.org.

& have built it to ABS standards.

Alan.

 

----- Original Message -----

Sent: Monday, September 07, 2009 7:21 AM

Subject: Re: [PSUBS-MAILIST] Chinese home-built sub makes the water

 

Looks to me, like Xiangli has about the same hatch land height as my original K boat.  I've have to ship him some amas. ;}'

 

 


          
    " The truth may set you free but first its going to piss you off. "           ~ attributed to Gloria Steinem

 

 

Getter Dun,

Szybowski

 

 

  Save the Nuts, Collect the whole set

 

Sent: Saturday, September 05, 2009 6:16 AM

Subject: [PSUBS-MAILIST] Chinese death trap

 

Here is another image of the Chinese death trap sub.  Looks like he is working on his TV periscope, the mast seems to be made of a piece of clear acrylic pipe.  Note the red line on the front of the sail, I am guessing that this is his trim line.  As I stated earlier, he is operating with very little freeboard.

 

http://www.uniquedaily.com/amateur-inventors-homemade-submarine/

 

R/Jay

 

 

Resepectfully,

Jay K. Jeffries

Andros Is., Bahamas

 

Save the whales, collect the whole set.

 



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