Re: Calculation request

["D. Blake" <dblake@bright.net>]

Carsten:
What about outside ribs?  Not elegant, but functional.
Oh yeah, and this stuff about whiskey.  Okay, I'am poor because I do not
have a submarine, and uber alles cannot afford a trip to Deutchland in order
to drink you unter das table my friend.  But if it were possible, I would
shame you to no end.
Ever drink Tennessee sour mash eg, Jack Daniels?  Or how about Wild Turkey?
I get the notion that you entertain fantacies about superiority in terms of
the ability to function under the influence of alcohol.
Forget it!
Lynyrd Skynyrd wrote the song "Gimme Back My Bullets" about me.  Listen to
the lyrics.
I wish I had that sub to dock on the banks of the Ohio River at Point
Pleasant, WV.  The boys would come down from the Hollows and Mountain sides
to  drink and listen to the rumbling of passing Tow Boats.  They no doubt
would be inspired to fight with each other, and make love with women who
have poor dental work and mothered children before age sixteen.  Still, they
are a hardy bunch, and would feel pride in taking everything to the extreme,
and why not?
TTLY,
Big Dave


-----Original Message-----
From: Carsten Standfuß <MerlinSub@t-online.de>
To: personal_submersibles@psubs.org <personal_submersibles@psubs.org>
Date: Friday, December 10, 1999 6:03 PM
Subject: Re: Calculation request


>Carsten - from Germany
>
>Difficult to translate 1N/mm² = 10 bar  =
>the equal of the pressure deep of 100 m (328feet).
>
>1mm square to 1 mm with 1 inch is 25,4 mm means that
>25,4 x 25,4 mm is 1 square inch is 645 square mm.
>
>so 210 N/mm² should be 210/645 = 0,3255 N per square inch.
>so 370 N/mm² should be 370/645 = 0,5735 N per square inch.
>
>370N/mm² is the tensile strength of the steel.
>
>1 N = 1 Newton = is the equal of 0,1 Kilogramm = 100 Gramm.
>
>My tables are use in Germany for Pressure tanks for general
>porpose. ST 37 steel is normal working steel for general porpose.
>
>ST 37 = for General porpose (370 N/mm²)
>ST 42 = for Ships     (420 N/mm2)
>ST 52 = for Submarines     (520 N/mm²)
>
>the numbers give the tensile strength.
>
>If I will find a way to dive the monster to 90 m ( 295 feet)
>with a security level of 2 (- so the destroy deep is
>about 600 feet -) I will buy the boat. She has so beautiful
>lines. And I like a good fight with a bad submarine.
>Seems that its need another 2 years to made a real submarine
>to this surface driven - dive on one point static - not deeper
>than 20-40 Meter bottom line (66-122 feet) motorboat.
>
>At the moment their are no pressure bottles conected to the dive tanks.
>The owner runs the diesel on the bottom (not deeper than 66 feet) to
>blown out the tanks and surface. Normaly the sub surfaced at the time
>the air-indicator inside cycles 8 times in the wrong direction and it is
>very difficult to talk in the sub to another person - the air pressure
>is so low at this time.. after surfacing he open a small check vale
>on the hutch to make the in- and outside pressure to one level to open
>the hutch. Sorry about my english language.
>
>But she is a very good place to drink all kind of wiskey, wodka
>and other alcoholics with a lot space to do that with all members of the
>PSUBS/Yellow sub members.
>
>To bad that the original owners and builders made so many
>mistakes in the design. Mild steel, long frame distance,
>small bulkhead thickness ...
>With 20 % more money the were able to build the ultimate
>private submarine.
>
>Maybe we should made our own party 1.1.2000.
>
>regards, Carsten - and people without a submarine are poor people.
>
>
>
>Alec Smyth schrieb:
>>
>
>> In the meantime, can anyone translate Carten's European steel "St 37 with
>> 370 N/mm2 with a nominal K = 210 Nmm2" to US conventions and units?
THANKS.
>>
>> Alec Smyth
>>
>> -----Original Message-----
>> From: owner-personal_submersibles@psubs.org
>> [mailto:owner-personal_submersibles@psubs.org]On Behalf Of Captain Nemo
>> Sent: Thursday, December 09, 1999 8:49 PM
>> To: personal_submersibles@psubs.org
>> Subject: Re: Calculation request
>>
>> Will someone please tell me where I can acquire the tables / programs /
>> spreadsheets being used here to compute structural crush depth?
>>
>> Also: are these programs limited to use with cylinders; or will they work
>> with compound-curved structures: sphere / hemispherical, torroidal,
>> lenticular, etc.
>>
>> Thanks in advance.
>>
>> Very best regards,
>>
>> Pat Regan
>> vulcania@interpac.net
>