<div dir="ltr">That one even looks good! However, I think I've come up with a way to just re-route the tubing that should work. So long as it works, a solution with no remotely actuated valves at all wins KISS-wise, so I'll give that a try. <div><br></div><div>Thanks,</div><div><br>Alec</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Apr 15, 2017 at 11:10 PM, james cottrell 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><div style="color:#000;background-color:#fff;font-family:verdana,helvetica,sans-serif;font-size:13px"><div id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4194" dir="ltr"><span id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4236">4 psi spring return pneumatic valve for turbo applications might be an option-</span></div><div id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4194" dir="ltr"><span><br></span></div><div id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4194" dir="ltr"><span id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4305"><a href="http://www.ebay.com/itm/1-25mm-OD-Inlet-BOV-Blow-off-Valve-Turbo-Bypass-Brass-Piston-Black-/172619314317?hash=item2830e9b48d:g:zfMAAOSwEOxXP6-i&vxp=mtr" id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4304" class="m_-4852394905955097672enhancr2_a284f380-a6a4-4c86-25fd-82bcaa067e7c" target="_blank">1" 25mm OD Inlet BOV Blow off Valve Turbo Bypass Brass Piston Black  | eBay</a><br></span></div><div><br></div><div id="m_-4852394905955097672enhancr2_a284f380-a6a4-4c86-25fd-82bcaa067e7c" class="m_-4852394905955097672yahoo-link-enhancr-card m_-4852394905955097672ymail-preserve-class m_-4852394905955097672ymail-preserve-style" style="max-width:400px;font-family:'Helvetica Neue',Helvetica,Arial,sans-serif" dir="ltr"> <a href="http://www.ebay.com/itm/1-25mm-OD-Inlet-BOV-Blow-off-Valve-Turbo-Bypass-Brass-Piston-Black-/172619314317?hash=item2830e9b48d:g:zfMAAOSwEOxXP6-i&vxp=mtr" style="text-decoration:none!important;color:#000!important" class="m_-4852394905955097672yahoo-enhancr-cardlink" rel="noreferrer" id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4330" target="_blank"> <table class="m_-4852394905955097672card-wrapper m_-4852394905955097672yahoo-ignore-table" cellpadding="0" cellspacing="0" border="0" style="max-width:400px" id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4329"> <tbody id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4328"><tr id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4327"> <td width="400" id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4326"> <table class="m_-4852394905955097672card m_-4852394905955097672yahoo-ignore-table" cellpadding="0" cellspacing="0" border="0" width="100%" style="max-width:400px" id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4325"> <tbody id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4324"><tr id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4323"> <td class="m_-4852394905955097672card-primary-image-cell" style="background:#000 url('https://ci6.googleusercontent.com/proxy/zZ7dVfcI7bwA-4zmD3cEe_KKYXpapFcEhxSCVOF4hAkJTTyug_bax2cQa8r2pzmOHYER-k5W9pxJ0OwuH2UW-EwCGXA19w7kC5r4o1Ip1i0j-Dlnz1sLIyU1i640YRqsh7d_bjjCMcv2gHKKR6LR_nqjghRQ7YkTVJFgG6Nl0KsRuKdn8qgvhqdM3nIBU-H47-Qq6xo5IYPaxNBY2Vi7bB0eNImBx51h7Wpv9OTJ5hHoL1d8bvjNp7SGzONY=s0-d-e1-ft#https://s.yimg.com/vv//api/res/1.2/LbqAHC2IGSB9JWFOi_Tr1w--/YXBwaWQ9bWFpbDtmaT1maWxsO2g9MjAwO3c9NDAw/http://i.ebayimg.com/images/i/172619314317-0-1/s-l1000.jpg.cf.jpg') no-repeat center center;background-size:cover;height:200px" background="https://s.yimg.com/vv//api/res/1.2/LbqAHC2IGSB9JWFOi_Tr1w--/YXBwaWQ9bWFpbDtmaT1maWxsO2g9MjAwO3c9NDAw/http://i.ebayimg.com/images/i/172619314317-0-1/s-l1000.jpg.cf.jpg" bgcolor="#000000" valign="top" id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4322">  <table class="m_-4852394905955097672yahoo-ignore-table" cellpadding="0" cellspacing="0" border="0" valign="top" style="width:100%" id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4321"> <tbody id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4320"><tr id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4319"> <td style="background:transparent url('https://ci6.googleusercontent.com/proxy/Or0PpNz8Q2N-T77lb2rdWKcTmD4Aucmk2Ee_LS8DyP6g6BDF3rwx4OyZl6lsUYsZqw8AQBiEM0n0IXQQ0XX4vUAoRYgzG6vu_JFg3P_OaiyHSXs0y-U=s0-d-e1-ft#https://s.yimg.com/nq/storm/assets/enhancrV2/12/overlay-tile.png') repeat left top;height:200px" background="https://s.yimg.com/nq/storm/assets/enhancrV2/12/overlay-tile.png" bgcolor="transparent" valign="top" id="m_-4852394905955097672yui_3_16_0_ym19_1_1492312093985_4318">  <table class="m_-4852394905955097672yahoo-ignore-table" height="185" style="width:100%;height:185px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r clear="none"> <b><span style="font-weight:bold">To:</span></b> Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>> <br clear="none"> <b><span style="font-weight:bold">Sent:</span></b> Saturday, April 15, 2017 8:13 AM<br clear="none"> <b><span style="font-weight:bold">Subject:</span></b> [PSUBS-MAILIST] actuated valves?<br clear="none">  </div> <div class="m_-4852394905955097672yiv1150046537y_msg_container" id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51896"><br clear="none"><div id="m_-4852394905955097672yiv1150046537"><div dir="ltr" id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51901">Hi all,<div id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51903"><br clear="none"></div><div id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51905">I'm mulling over options for re-plumbing Shackleton's MBTs. I can go with re-positioned tubing or remotely actuated valves. In principle the tubing is easier, but I'm trying to think through all possibilities before deciding, and just thought of a new option. There's six tanks per side, and the tanks are small so it would be a challenge to put a mushroom valve inside each tank. Besides, that would be a dozen valves. However, I could also do just two valves per side, mounted outside and above the tanks, with very short hoses or tubes leading from three tanks to each valve. There is space, and because the valves would be outside the tanks I have a lot more freedom for the size or geometry of the valves. Maybe even normal ball valves actuated by a little air cylinder. This system would allow for fore-aft and side-to-side control, and would be highly resistant to list-induced water blocking. </div><div id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51907"><br clear="none"></div><div id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51909">Anyone have thoughts on the KISSest way to control valves? For example, something that could work with unregulated 3K psi air?</div><div id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51911"><br clear="none"></div><div id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51913"><br clear="none"></div><div id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51915">Thanks,</div><div id="m_-4852394905955097672yiv1150046537yui_3_16_0_ym19_1_1492269432664_51917"><br clear="none">Alec</div><div><br clear="none"></div><div><br clear="none"></div></div></div>______________________________<wbr>_________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.<wbr>org</a><br clear="none"><a rel="nofollow" shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/<wbr>listinfo.cgi/personal_<wbr>submersibles</a><br clear="none"><br clear="none"><br clear="none"></div></div> </div> </div>  </div></div></div></div><div class="m_-4852394905955097672yqt5536470853" id="m_-4852394905955097672yqt83676">______________________________<wbr>_________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" href="mailto:Personal_Submersibles@psubs.org" target="_blank">Personal_Submersibles@psubs.<wbr>org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/<wbr>listinfo.cgi/personal_<wbr>submersibles</a><br clear="none"></div><br><br></div> </div></div></div> </div>  </div></div></div><br>______________________________<wbr>_________________<br>
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<br></blockquote></div><br></div>