<div dir="ltr"><div>Spent a couple of months last year working on the design of a modified K-350. I found he original K-350 plans to be pretty weak. Changes made were:</div><div><br></div><div><font color="#000000" face="Times New Roman" size="3">
</font></div><ol style="list-style-type:decimal"><li style="font-style:normal;font-weight:normal"><p style="font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Removed aft external motor and prop and replaced
with two fixed Minn Kota 101 thruster with kort nozzle like I have on the R300</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Replaced vertical thrusters with two fixed Minn
Kota 101 thrusters with kort nozzle</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Propulsion and depth station keeping all fly by wire
with joystick control</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Move air tanks (two 100 SCF aluminum scuba tanks) outside hull old location of main
propulsion motor</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">PLC for control of all systems (same as R300)</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">HMI and joystick on mobile to permit operation
from prone, sitting or standing position.</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Replaced life support with fully automated design
used on R300</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Moved electrical components into three
electrical boxes on or near aft<span>
</span>elliptical head</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Added sensors for main and auxiliary battery
voltage and current, ambient water pressure and temperature, cabin pressure,
temperature, and humidly, compass heading, boat roll and pitch, boat altitude
and speed.<span> </span>Life support system has
sensors for CO2, O2 concentrations, O2 tank pressure, mass rate of O2 during O2
makeup. Pressure sensor for HP air bank and regulated air pressure.</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Increased main battery capacity to 400 Ah <span> </span>which required increasing the battery pod
diameter to 16” OD and 47” seam to seam</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Replaced the main and auxiliary battery banks with 16 OPTIMA BATTERIES
BLUE TOP DEEP CYCLE MARINE BATTERY GROUP D34M.<span>
</span>12 for main buss and 4 for auxiliary buss. 8 batteries per pod</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Widened the spacing on battery pods to 38”</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Added two additional viewports </p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Added external LED lights</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt"><font face="Times New Roman" size="3">
</font>Added compass/pitch/roll sensors off R300<font face="Times New Roman" size="3"><span><br></span></font></p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Changed design of battery pods detachable heads to
flange style</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Redesigned the MBT and VBT controls.<span> </span></p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Utilize Hugh Fulton pancake style pneumatically
operated MBT vent valves</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Modified MBTs by closing the bottoms</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">lengthened VBT to 18” seam to seam to increase
the volume to 8.75 gals</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Added compass/pitch/roll sensors off R300</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Built out boat in Autodesk Inventor
professional.</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Drawing package updated, 51 assembly drawings
and 160 part drawings</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">With mods, the current boat weight is 4,707 lbs,
without pilot or passenger</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">With mods, the current boat submerged
displacement<span> </span>is 4,866 lbs, </p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:0pt">Buoyancy of boat with VBT and MBT fully blown is
5,849 lbf</p></li><li style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal"><p style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:10pt">Boat Reserve of buoyancy is 9.2%</p></li></ol><div style="color:rgb(0,0,0);font-family:"calibri","sans-serif";font-size:11pt;font-style:normal;font-weight:normal;margin-top:0in;margin-bottom:10pt">Cliff</div><div><font color="#000000" face="Times New Roman" size="3">
</font></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Jan 29, 2017 at 12:18 PM, Philippe Robert via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Nice for the list ! I can't wait to read all the suggested modifications ans specs !<div><br></div><div>Philippe</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2017-01-29 9:22 GMT-05:00 via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><font color="black" face="arial" size="2">Emile,
<div><br>
</div>
<div>I actually already started a list on what I want to improve on the K350!</div>
<div><br>
</div>
<div>I was actually thinking about having a 1 meter hull dia</div>
<div>Improve depth rating to around 300 meters</div>
<div>Look into improving the ballast tanks</div>
<div>Have the thrusters be controlled by a joystick</div>
<div><br>
</div>
<div>-Ludwig</div>
<div><br>
<br>
<br>
<div style="color:black;font-family:arial,helvetica;font-size:10pt"><div><div class="m_-1356677857293188708h5">-----Original Message-----<br>
From: emile via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.o<wbr>rg</a>><br>
To: 'Personal Submersibles General Discussion' <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.o<wbr>rg</a>><br>
Sent: Sun, Jan 29, 2017 4:47 am<br>
Subject: Re: [PSUBS-MAILIST] K-350 plans<br>
<br>
<div id="m_-1356677857293188708m_-9155551124067525372AOLMsgPart_1.2_d9b9db69-d8c2-452b-8c6c-1811e82bd95b">
<div class="m_-1356677857293188708m_-9155551124067525372aolReplacedBody" lang="NL">
<div class="m_-1356677857293188708m_-9155551124067525372WordSection1">
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt">Ludwig,</span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt"> </span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt">The K350 is a nice sub and the plans might be a good start .</span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt">Mind some points are a bit outdated.</span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt"> </span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt">If I build a K350:</span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt">-1 meter hull dia (was 900mm)</span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt">-improved ballast tanks </span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt">-dome window in the bow</span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt"> </span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt">Emile</span></div>
<div class="MsoNormal"><span lang="EN-US" style="color:rgb(31,73,125);font-family:"Arial","sans-serif";font-size:11pt"> </span></div>
<div style="border-width:1pt medium medium;border-style:solid none none;border-color:rgb(181,196,223) currentColor currentColor;padding:3pt 0cm 0cm">
<div class="MsoNormal"><b><span style="font-family:"Tahoma","sans-serif";font-size:10pt">Van:</span></b><span style="font-family:"Tahoma","sans-serif";font-size:10pt"> Personal_Submersibles [<a href="mailto:personal_submersibles-bounces@psubs.org?" target="_blank">mailto:personal_submersibles-<wbr>bounces@psubs.org</a>] <b>Namens </b>via Personal_Submersibles<br>
<b>Verzonden:</b> zaterdag 28 januari 2017 23:36<br>
<b>Aan:</b> <a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.or<wbr>g</a><br>
<b>Onderwerp:</b> [PSUBS-MAILIST] K-350 plans</span></div>
</div>
<div class="MsoNormal"> </div>
<div>
<div id="m_-1356677857293188708m_-9155551124067525372AOLMsgPart_2_06b797ec-3713-4d1d-b8d9-aa5dd87b7f4e">
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt">Hey guys, </span></div>
<div>
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt"> </span></div>
</div>
<div>
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt">Who should I contact regarding the purchasing of the K-350 plans?</span></div>
</div>
<div>
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt"> </span></div>
</div>
<div>
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt">I bought the plans at the end of December and still haven't received them. I also sent an email off to <a href="mailto:sales@psubs.org" target="_blank" rel="noopener noreferrer">sales@psubs.org</a> around two weeks ago and haven't gotten a reply.</span></div>
</div>
<div>
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt"> </span></div>
</div>
<div>
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt">Thanks,</span></div>
</div>
<div>
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt">Ludwig</span></div>
</div>
<div>
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt"> </span></div>
</div>
<div>
<div class="MsoNormal"><span style="color:black;font-family:"Arial","sans-serif";font-size:10pt"> </span></div>
</div>
</div>
</div>
</div>
</div>
</div></div></div><span>
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