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<DIV><FONT face=Arial size=2>Hello everybody ,anybody, Les here , </FONT></DIV>
<DIV><FONT face=Arial size=2>Attatched myself to this email for convenience
(similar subject) been away from psubs for quite some time wanting to start
again.</FONT></DIV>
<DIV><FONT face=Arial size=2>Now it might sound dumb, but I tried to follow the
calc sheet for material and depth etc with ring stiffeners but ufortunately
had a few problems, perhaps a sample calc attached to it would assist me and
maybe others on how to use it correctly? </FONT></DIV>
<DIV><FONT face=Arial size=2>In between time I do need to get a rough indication
of the thickness of steel and approx size
of ring stiffener size and quantity, to roughly calculate
the weight of what I wish to build, to see if what I want to do is
feasible or not...WEIGHT IS CRITICAL for my project </FONT></DIV>
<DIV><FONT face=Arial size=2>Can anyone help me please my reqirements are;
</FONT></DIV>
<DIV><FONT face=Arial size=2>A Sphere 2 meters diameter</FONT></DIV>
<DIV><FONT face=Arial size=2>A Cylinder attached to that 1.2m diameter x 4meters
long</FONT></DIV>
<DIV><FONT face=Arial size=2> ( I understand there will be a flaring
attatchment to the sphere, however at this point for the exercise, just to calc
the min weight that would be possible on these two items would be an indicator
for me andd give me a mental appreciation of my limitations )</FONT></DIV>
<DIV><FONT face=Arial size=2>The desired depth is 300m, ( 984ft )
( 452 psi ) or I could settle for 250 meters( 820ft ) ( 379 psi ) both
maximum dive depth not crush depth.</FONT></DIV>
<DIV><FONT face=Arial size=2>Sorry to be pain but can any-one help me
</FONT></DIV>
<DIV><FONT face=Arial size=2>Thank you </FONT></DIV>
<DIV><FONT face=Arial size=2>Les</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>P.S. In for a penny in for a pound, guess I will
make myself look completely dumb ....just as an indication, with
something like the above how would I calculate the </FONT></DIV>
<DIV><FONT face=Arial size=2> volume
hence the size required for soft tanks for maximum submergance
</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV> </DIV>
<DIV> </DIV>
<DIV>----- Original Message ----- </DIV>
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style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=swaters@waters-ks.com
href="mailto:swaters@waters-ks.com">swaters@waters-ks.com</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=personal_submersibles@psubs.org
href="mailto:personal_submersibles@psubs.org">Personal Submersibles General
Discussion</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, April 15, 2014 4:39
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [PSUBS-MAILIST] K3000
spherical shell calculations</DIV>
<DIV><BR></DIV><SPAN
style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Verdana">
<DIV>Sean,</DIV>
<DIV>I don't believe I know the geometry. I guess in short term, I am looking
for the pros and cons on a deep submarine for cylinder with ribs
compared to a sphere. </DIV>
<DIV> </DIV>
<DIV>Thanks,</DIV>
<DIV>Scott Waters </DIV>
<DIV> </DIV>
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webmail="1">
<DIV id=wmQuoteWrapper>-------- Original Message --------<BR>Subject: Re:
[PSUBS-MAILIST] K3000 spherical shell calculations<BR>From: "Sean T.
Stevenson" <<A
href="mailto:cast55@telus.net">cast55@telus.net</A>><BR>Date: Mon, April
14, 2014 11:24 am<BR>To: Personal Submersibles General Discussion<BR><<A
href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</A>><BR><BR>
<DIV dir=ltr>At present, it will calculate stiffened cylindrical hulls in
the forward direction only. The optimization routine is not properly
constrained yet. If you already know the geometry you want to use, no
problem.</DIV>
<DIV dir=ltr>Sean<BR></DIV>
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