<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"><span><br></span></div><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 16px; color: rgb(0, 0, 0); background-color: transparent; font-style: normal;">Here's a link to a homemade cooler using a one gallon jug of frozen water.</div><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 16px; color: rgb(0, 0, 0); background-color: transparent; font-style: normal;"><br></div><div style="background-color: transparent;">http://www.youtube.com/watch?v=HxSLbpAwibg<br></div><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"><br></div> <div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;"> <div style="font-family: 'times new
roman', 'new york', times, serif; font-size: 12pt;"> <div dir="ltr"> <hr size="1"> <font size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> Joe Perkel <josephperkel@yahoo.com><br> <b><span style="font-weight: bold;">To:</span></b> "personal_submersibles@psubs.org" <personal_submersibles@psubs.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Sunday, October 6, 2013 11:08 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Air conditioner<br> </font> </div> <div class="y_msg_container"><br><div id="yiv5838110748"><div><table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td colspan="1" rowspan="1" valign="top">Here's a 12VDC unit<br clear="none"><br clear="none">http://www.tropicalmarineairconditioning.com/sheets/2425C.pdf<br clear="none"><br clear="none">This one is dedicated DC, ..but I think running a similar sized AC unit off an inverter for dual power source
options is worth considering. Powering the unit on the surface as I described in an earlier post. I don't propose diving with the unit running, but more so a pre and post mission environmental purge, particularly with the main goal of aggressively dehumidifying the cabin.<br clear="none"><br clear="none">No space in these boats as you note, this requires upsizing accordingly, but carefully. I once calculated the volume of a sacrificed conning tower could be substituted for 48" and a shortened length for nearly the same weight, I forget the numbers for the moment.<br clear="none"><br clear="none">These compact AC units can be plumbed as I described earlier, the heat exchanger would have to be purposely designed. The outflow
water of these units is pretty damn hot, much much hotter than the surrounding water.<br clear="none"><br clear="none">I live through Vance's camel torture story for about five minutes every time I climb into my white SUV. <br clear="none"><br clear="none">If I'm ever to build and have a practical Florida submersible, I've got to be cognizant of these issues and address then carefully. <br clear="none"><br clear="none">Joe<br clear="none"><br clear="none"><br clear="none"><br clear="none">Sent from Yahoo! Mail for iPad</td></tr></tbody></table> <div class="yiv5838110748yqt3013490351" id="yiv5838110748yqt07953"><div id="yiv5838110748_origMsg_">
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<span style="font-weight:bold;">From:</span>
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Jon Wallace <jonw@psubs.org>; <br clear="none">
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Personal Submersibles General Discussion <personal_submersibles@psubs.org>; <br clear="none">
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Re: [PSUBS-MAILIST] Air conditioner <br clear="none">
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Mon, Oct 7, 2013 2:32:22 AM <br clear="none">
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<table cellspacing="0" cellpadding="0" border="0"><tbody><tr><td colspan="1" rowspan="1" valign="top"><br clear="none">In the recreational, personal, sub-world you generally can't have your <br clear="none">cake and eat it too. Put two adults in a small sub like the K250 and <br clear="none">you sacrifice comfort for occupancy. Freon based AC units whether auto <br clear="none">or household are not practical solutions for the traveling submariner, <br clear="none">such as convention diving. There was zero space for such an AC unit on <br clear="none">board the Boston Whaler used to tow SNOOPY out into the ocean, and the <br clear="none">support boat was being tossed in 2-4 foot seas. It simply is not <br clear="none">practical unless you are building a support boat specific for your sub <br clear="none">diving and trailering it along with your submarine to the dive location.<br clear="none"><br
clear="none">The best solution for the average psubber is to use a small ice chest <br clear="none">(six-pack size) stuffed with ice and then circulate cabin air over that <br clear="none">ice. Use a small computer fan to force air over the ice
if necessary. <br clear="none">The first refrigerators were nothing more than ice-chests, low-tech, <br clear="none">easy maintenance, not super efficient but adequate to keep things <br clear="none">relatively cool.<br clear="none"><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" href="">Personal_Submersibles@psubs.org</a><br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></td></tr></tbody></table>
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