<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:14pt"><div id="yiv7830697310"><div><div style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 14pt;"><div id="yiv7830697310yui_3_13_0_12_1397024420902_8"><span id="yiv7830697310yui_3_13_0_12_1397024420902_18">Hi Scott,</span></div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;">G.L., Section 4, Design Loads, Table 4.1 says that for your designated depth, the collapse diving pressure divided by your nominal diving depth, has to be more than 1.73, & your test diving pressure has
to be more than or equal to 1.2 x your nominal diving <span style="background-color: transparent;">pressure.</span></div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657"><span style="background-color: transparent;">So for a maximum operating depth of 1000 meters, build to a crush depth of at least 1,730 meters & test to a minimum of 1200 meters. In table 4.2 it is a bit confusing, but I am reading it as saying the view ports are to</span></div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;"
class="yui_3_13_0_1_1397038241605_2657"><span style="background-color: transparent;">be tested to 1.5 x your nominal dive depth. </span></div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657"><span style="background-color: transparent;">Re CAD programs; I bought Rhino 5, Orca, (which is a marine design plug-in for Rhino 5) & scan & solve.</span></div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657"><span style="background-color: transparent;">Scan & solve is a basic
FEA plug-in for Rhino. I had advice from a qualified person in the submersible design</span></div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657"><span style="background-color: transparent;">field before purchasing. You can get in the ball park with the Scan & Solve FEA & then hand the design on to a qualified </span><span style="background-color: transparent;">person with a more powerful program for refinement. I looked at Solid Works, but it was very complex</span></div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande',
sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657"><span style="background-color: transparent;">& expensive & if you aren't going to use it 40 hours a week you are gong to struggle. </span></div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657">It would be a really good move for you, buying a CAD program. </div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657">I also purchased a course on Rhino from Infinite Skills
& in hindsight think that was a smart thing to do.</div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657">All the best with the new project.</div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657">Alan</div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;"
class="yui_3_13_0_1_1397038241605_2657"><span style="background-color: transparent;"><br></span></div><div id="yiv7830697310yui_3_13_0_12_1397024420902_8" style="color:rgb(0, 0, 0);font-size:18.88888931274414px;font-family:HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;background-color:transparent;font-style:normal;" class="yui_3_13_0_1_1397038241605_2657"><br></div><div id="yiv7830697310yui_3_13_0_1_1397024420902_19421"><br clear="none" id="yiv7830697310yui_3_13_0_12_1397024420902_10"></div> <div class="yiv7830697310yui_3_13_0_12_1397024420902_12" id="yiv7830697310yui_3_13_0_12_1397024420902_13" style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 14pt;"> <div class="yiv7830697310yui_3_13_0_1_1397024420902_19337" id="yiv7830697310yui_3_13_0_1_1397024420902_19424" style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;
font-size: 12pt;"> <div class="yiv7830697310yqt7169971737" id="yiv7830697310yqt47081"><div dir="ltr" id="yiv7830697310yui_3_13_0_1_1397024420902_19423"> <hr id="yiv7830697310yui_3_13_0_1_1397024420902_19422" size="1"> <font size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> swaters <swaters@waters-ks.com><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Wednesday, April 9, 2014 11:14
AM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> Re: [PSUBS-MAILIST] New submarine<br clear="none"> </font> </div> <div class="yiv7830697310y_msg_container"><br clear="none"><div id="yiv7830697310"><div><div>So is the design of crush depth of 1750m and test to 1250m the idea? Next question is where can you find a pressure chamber that has 1670psi capability?</div><div>Thanks,</div><div>Scott Waters</div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div><div style="font-size:75%;color:#575757;">Sent from my U.S. Cellular© Smartphone</div></div> <br clear="none">Alan James <alanlindsayjames@yahoo.com> wrote:<br clear="none"><div class="yiv7830697310yqt0338657836" id="yiv7830697310yqt95937"><div class="yiv7830697310yui_3_13_0_1_1397024420902_19344" style="color: rgb(0, 0, 0); background-color: rgb(255, 255, 255); font-family: HelveticaNeue, 'Helvetica Neue',
Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 14pt;"><div><span>Scott,</span></div><div class="yiv7830697310yui_3_13_0_1_1397024420902_19345" style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>in general people design their boats with a crush depth of</span></div><div class="yiv7830697310yui_3_13_0_1_1397024420902_19346" style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>twice their operating depth, then test them to 1.25 or 1.5 x</span></div><div class="yiv7830697310yui_3_13_0_1_1397024420902_19347" style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial,
'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>there
proposed maximum operating depth.</span></div><div class="yiv7830697310yui_3_13_0_1_1397024420902_19348" style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>So design to 2000 meters & test it to 1250 meters.</span></div><div class="yiv7830697310yui_3_13_0_1_1397024420902_19349" style="color: rgb(0, 0, 0); font-size: 18.88888931274414px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; background-color: transparent; font-style: normal;"><span>Alan</span></div><div><br clear="none"></div> <div class="yiv7830697310yui_3_13_0_1_1397024420902_19350" style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 14pt;"> <div class="yiv7830697310yui_3_13_0_1_1397024420902_19351" style="font-family:
HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12pt;"> <div dir="ltr"> <hr size="1"> <font size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> swaters
<swaters@waters-ks.com><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> personal_submersibles@psubs.org <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Tuesday, April 8, 2014 4:29 PM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> [PSUBS-MAILIST] New submarine<br clear="none"> </font> </div> <div class="yiv7830697310y_msg_container"><br clear="none"><div id="yiv7830697310"><div><div>I am playing with the idea of building another submarine. Here is what I am thinking.</div><div>1) This project needs to be as challenging as the same amount of difficulty as it was to build my first submarine</div><div>2) I want to have lots of bottom time with my K-350 to learn what needs to be improved on in design and ability.</div><div>3) Learn to use CAD </div><div>4) Project will take 5-7 years to complete</div><div><br clear="none"></div><div>My initial goals are</div><div>1) Hold 3
people</div><div>2) Weigh 10,500lbs or less</div><div>3) Depth of 3,300 feet (1000m)</div><div>4)
Have a very effective range of abilities such as a good manipulator arm and tooling</div><div>5) Have a wide veiwing maybe a acylic dome front</div><div><br clear="none"></div><div>Ok, shoot holes in the ideas. What will be the main challenges to overcome? What complications am I not considering?</div><div><br clear="none"></div><div>Thanks,</div><div>Scott Waters</div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div><br clear="none"></div><div><div style="font-size:75%;color:#575757;">Sent from my U.S. Cellular© Smartphone</div></div> </div></div><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" target="_blank" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br
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