<div dir="ltr"><div>hi Hank,</div><div>In Pilot Fish I have a manual bilge pump from Sarum hydraulics, that gives 100cc per double stroke, against up to 40bar. </div><div>it is an oversized hydraulic pump from Oil and gas type of application, highly corrosion resistant. quite expensive though (1000$)</div><div><br></div><div>at the pump intake I have a three way valve so I can take water either from the 50Liters soft bladder VBT, or from the bilge (either aft or forward of the sub)</div><div>at the pump outlet, the pipes and valves also branch out either to the sea via through hull, or back to the VBT bladder. </div><div>This way it is possible to: </div><div>pump bilge water to the VBT bladder at near zero back pressure </div><div>pump bilge water to the outside</div><div>pump sea water from the VBT bladder to the outside. </div><div> </div><div>regards</div><div>Antoine</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Dec 6, 2017 at 1:50 PM, hank pronk 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="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div>Alan,</div><div>Your idea to be able to pump leaked water out through the hull is pretty interesting. Where did you find a 36v dc pump? Maybe I am overthinking the idea.</div><span class="HOEnZb"><font color="#888888"><div>Hank</div></font></span><div><div class="h5"><div><br></div>
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On Tuesday, December 5, 2017, 9:09:19 PM MST, Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.<wbr>org</a>> wrote:
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<div><div id="m_6295785884503168343yiv4024424124"><div><div>Hank,</div><div id="m_6295785884503168343yiv4024424124AppleMailSignature">no not a DSV. I have forgotten the lpm rate, but not high. </div><div id="m_6295785884503168343yiv4024424124AppleMailSignature">The pressure is 650psi so it can easily operate at my maximum depth of 500ft.</div><div id="m_6295785884503168343yiv4024424124AppleMailSignature">The intention as a bilge pump was to just act as a hand held suction hose to mop</div><div id="m_6295785884503168343yiv4024424124AppleMailSignature">up any wash that may come in, & comply with G.L. I am not planning on major leaks!</div><div id="m_6295785884503168343yiv4024424124AppleMailSignature">I am wanting 2 solenoid ballast valves (inlet & outlet) to work in unison, mainly so</div><div id="m_6295785884503168343yiv4024424124AppleMailSignature">I can ride a bit higher while towing, as the inlet valve will stop the air in the tank</div><div id="m_6295785884503168343yiv4024424124AppleMailSignature">compressing, & also as a safe guard if the sub is left floating in the water for</div><div id="m_6295785884503168343yiv4024424124AppleMailSignature">long periods of time.</div><div id="m_6295785884503168343yiv4024424124AppleMailSignature">Alan</div><div id="m_6295785884503168343yiv4024424124AppleMailSignature"><br clear="none"><br clear="none">Sent from my iPad</div><div class="m_6295785884503168343yiv4024424124yqt6155183950" id="m_6295785884503168343yiv4024424124yqt16355"><div><br clear="none">On 6/12/2017, at 4:28 PM, hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect">personal_submersibles@psubs.<wbr>org</a>> wrote:<br clear="none"><br clear="none"></div><blockquote type="cite"><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div>Alan,</div><div>That will be a pretty slow pump, good for deballasting but not so good if you have a leak at the surface and want to save the sub. So your new sub is going to have sealed ballast tanks? interesting. Hmmmm that makes it a DSV ;-)</div><div>Hank</div><div><br clear="none"></div>
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On Tuesday, December 5, 2017, 5:37:01 PM MST, hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect">personal_submersibles@psubs.<wbr>org</a>> wrote:
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<div><div id="m_6295785884503168343yiv4024424124"><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px"><div>Hi all,</div><div>Do any of you sub owners have bilge pumps? </div><div>Hank</div></div></div></div>______________________________<wbr>_________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a href="mailto:Personal_Submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect">Personal_Submersibles@psubs.<wbr>org</a><br clear="none"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" rel="nofollow" shape="rect">http://www.psubs.org/mailman/<wbr>listinfo.cgi/personal_<wbr>submersibles</a><br clear="none"></div>
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