<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"></head><body dir="auto"><div></div><div>Ok, while you guys have been sleeping I have been googling for a </div><div>suitable snorkel valve, & come up with this Wagner item below.</div><div>I searched under "inverted vent check valve". I am not sure of the price of</div><div>the below item. </div><div>If anyone knows of a good option I would be interested.</div><div>Maybe there is a suitable valve that can be hacked! Ie. Use the valve seat</div><div>& buy a hollow stainless ball.</div><div>Alan</div><div><a href="https://wagerusa.com/pages/marine/1700series.html">https://wagerusa.com/pages/marine/1700series.html</a></div><div><img src="cid:FA136F86-7551-4D9D-974E-DBB20106494E" alt="image1.PNG" id="FA136F86-7551-4D9D-974E-DBB20106494E"><br></div><div><br>On 4/04/2019, at 6:03 PM, Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><span>Am thinking about having 2 snorkel valves for cooling in transit. </span><br><span>One for air in & one for air out, with a descent blower circulating the air.</span><br><span>Any thoughts on how effective it would be? </span><br><span>Hugh Fulton had a snorkel valve design on his Q-sub site but can't find it.</span><br><span>Assume you would need a hollow ball that floats up & seals the inlet &</span><br><span>an additional valve inside the hull for redundancy, with a blower on the designated</span><br><span>Inlet.</span><br><span>Alan</span><br><span></span><br><span></span><br><blockquote type="cite"><span>On 4/04/2019, at 5:42 PM, Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Hello Marc,</span><br></blockquote><blockquote type="cite"><span>haven't heard from you for a while.</span><br></blockquote><blockquote type="cite"><span>What calculation was off?</span><br></blockquote><blockquote type="cite"><span>Peltiers are 1/4 as efficient as conventional AC.</span><br></blockquote><blockquote type="cite"><span>Average car AC system uses 4hp which is 2,980W.</span><br></blockquote><blockquote type="cite"><span>4 X 2980 = 11,920.</span><br></blockquote><blockquote type="cite"><span>Wish it was off as I have bought 20 so far & I am going to need a lot of</span><br></blockquote><blockquote type="cite"><span>batteries to keep up with a cars AC system.</span><br></blockquote><blockquote type="cite"><span>I am starting to talk myself out of relying on them solely & in to a good snorkel </span><br></blockquote><blockquote type="cite"><span>system that I could suck air through while transiting on the surface.</span><br></blockquote><blockquote type="cite"><span>Alan</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><blockquote type="cite"><span>On 4/04/2019, at 4:38 PM, Marc de Piolenc via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Pretty sure your calculations are off.</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Did some work with Peltier effect coolers a few years back.</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Search for information on this technology as applied in the military. There are many applications for which vapor-compression refrigeration is not possible or too dangerous.</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Marc</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>On 03/04/2019 9:18 AM, Alan via Personal_Submersibles wrote:</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>I don't know how many peltiers. If you based your air conditioning system</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>on a car which uses 4 hp or 2,980 Watts & factored in that peltiers are 1/4</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>as efficient as conventional air conditioning then you would need 11,920 W</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>to get the equivalent cooling! And then it's an unknown as the peltiers are</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>more efficient when there is a larger temperature differential between sides.</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>On 3/04/2019, at 12:15 AM, Brian Hughes via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> <<a href="mailto:personal_submersibles@psubs.org">mailto:personal_submersibles@psubs.org</a>>> wrote:</span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>Alan,</span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>How many peltier chips do you think you'll use? Or need? I was kinda planning the same idea, but was trying Kydex. I made a cover with a thin sheet of clear plastic, but I wondered about durability. Hadn't thought fiberglass. Doh. The real reason is I picked up for free a vacuum thermomolding machine and needed an excuse to play.</span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>As per attachment I was thinking magnets, the chrome covered ones you can get a home depot. Attach where needed. Spread heat transfer paste on the surface, etc. How will you attach yours? Building in piping for condensation runoff?</span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>For heat I'm going with a cigarette lighter socket into which I can plug my heated vest I use on cold days on the Harley. Keep the core warm, etc.</span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>Get Outlook for Android <<a href="https://aka.ms/ghei36">https://aka.ms/ghei36</a>></span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>_______________________________________________</span><br></blockquote></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>Personal_Submersibles 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mailing list</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>-- </span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Archivale catalog: <a href="http://www.archivale.com/catalog">http://www.archivale.com/catalog</a></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Polymath weblog: <a href="http://www.archivale.com/weblog">http://www.archivale.com/weblog</a></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Translations (ProZ profile): <a href="http://www.proz.com/profile/639380">http://www.proz.com/profile/639380</a></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Translations (BeWords profile): <a href="http://www.bewords.com/Marc-dePiolenc">http://www.bewords.com/Marc-dePiolenc</a></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Ducted fans: <a href="http://massflow.archivale.com/">http://massflow.archivale.com/</a></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>_______________________________________________</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Personal_Submersibles mailing list</span><br></blockquote></blockquote><blockquote 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