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Re: [PSUBS-MAILIST] Regulator pression - Korea plastic sub

Howdy
 Having  been a P3 engineer at one time, VP-9, Moffett Field. You could avoid them if there were MAD trapping. But, usually they listen in on sonobouys.
  And the P3 is going away from the US Navy, the P8 is comming in soon, P-8 is a Boeing 737.

Paul Kreemer <paulkreemer@gmail.com> wrote:
Yes, PSUBers should consider plastic hulls to help avoid detection by sub hunting P-3 Orions.   ;-)   Regarding manufacture and use, this cautionary note from Dewey Mason sounds pretty informed on the subject: http://www.psubs.org/faq.html#fiberglasshull


Here are a couple of notes on cabin air from the PSUBS site.  The cabin pressure would increase more slowly if you could add only oxygen and not air.  And if your dive time is short enough you may not need to do scrubbing or oxygen replacement. 

http://www.psubs.org/faq.html#cabinair

http://www.psubs.org/faq.html#lifesupport

A lot of design decisions here...  Like many more experienced members have done, let me suggest buying some Kittredge plans.  You can get the K-250 or K-350 plans here: http://johnmaynard.tripod.com/



take care-
Paul


On 8/26/06, Fanta < fanta590@yahoo.com> wrote:
Hello everyone,
I am doing some calculate on the paper about the air pression inside of the pocket sub.
If I use a tank of compression air for supply air to pilot, the pression inside of cabine up slowly, it need an system automatic depression, it means: return the pression as 1 atm. Here, some one has an idea about this system? Please drop for me a plan or some idea.
The second problem is carbonic air is up and I want to filtre air. Have you some advices about this?
 
I hear about sub spy of North Korean, base on information 3 years ago, its made by plastic !! diver very limit but low price and it is enough for past many stations control in South Korea. North Korea use this type for infiltration to South Korea, Are there someone here have more information about this type sub? I do interesting this because it is confortable for poor amateur sub builder.
 
Thank you very much
Fanta


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