<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div><span>Hi Rick,</span></div><div><span>I have used 20lb propane tanks for buoyancy. I think they give 35lb buoyancy and if you pressurize them to 125psi I am sure they could go to 600 ft. Test one first.</span></div><div><span>Hank</span></div><div class="yahoo_quoted" style="display: block;"> <br> <br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"> <div dir="ltr"> <font face="Arial" size="2"> On Saturday, November 9, 2013 10:16:57 AM, Land N Sea <landnsea1@hawaiiantel.net> wrote:<br> </font> </div> <div class="y_msg_container"><div id="yiv0711693997"><div dir="ltr">
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<div>Hi David,</div>
<div> </div>
<div>any idea what the two floats provide in buoyancy?</div>
<div> </div>
<div>Rick</div>
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<div class="yiv0711693997yqt2354972335" id="yiv0711693997yqtfd29943"><div><b>From:</b> <a title="seaquestor@gmail.com" href="mailto:seaquestor@gmail.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:seaquestor@gmail.com">David Colombo</a> </div>
<div><b>Sent:</b> Friday, November 08, 2013 8:25 PM</div>
<div><b>To:</b> <a title="personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">Personal Submersibles General
Discussion</a> </div>
<div><b>Subject:</b> Re: [PSUBS-MAILIST] buoyancy</div></div></div></div><div class="yiv0711693997yqt2354972335" id="yiv0711693997yqtfd42041">
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<div dir="ltr">Hi Rick, here is a quote on the floats I just got. The 551
float is $10.80 ea., less 10% per carton of 18. The 364 float is $6.00
ea., less 10% per carton of 72. I will be ordering some of each, but not enough
for 18 or 72. </div>
<div dir="ltr">David Colombo</div>
<div class="yiv0711693997gmail_quote">On Nov 7, 2013 12:02 PM, "Smyth, Alec" <<a href="mailto:Alec.Smyth@covisint.com" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:Alec.Smyth@covisint.com">Alec.Smyth@covisint.com</a>> wrote:<br clear="none">
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<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 10pt;'>Hi
Rick,<u></u><u></u></span></div>
<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 10pt;'><u></u><u></u></span> </div>
<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 10pt;'>If
you need some cheap buoyancy that will go to significant depths, I’d recommend
fishing floats you can get here: <a href="http://trawlworks.com/floats.htm" target="_blank" rel="nofollow" shape="rect"><span style="color: rgb(31, 73, 125);">http://trawlworks.com/floats.htm</span></a><u></u><u></u></span></div>
<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 10pt;'><u></u><u></u></span> </div>
<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 10pt;'>I
guarantee you’ll find uses for them afterwards, whether it’s as emergency
release buoys, mooring buoys, or whatever.<u></u><u></u></span></div>
<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 10pt;'><u></u><u></u></span> </div>
<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 10pt;'><u></u><u></u></span> </div>
<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 10pt;'>Best,<u></u><u></u></span></div>
<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 10pt;'><br clear="none">Alec<u></u><u></u></span></div>
<div class="yiv0711693997MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Calibri", "sans-serif"; font-size: 11pt;'><u></u><u></u></span> </div>
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<div class="yiv0711693997MsoNormal"><b><span style='font-family: "Tahoma", "sans-serif"; font-size: 10pt;'>From:</span></b><span style='font-family: "Tahoma", "sans-serif"; font-size: 10pt;'>
Personal_Submersibles [mailto:<a href="mailto:personal_submersibles-bounces@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles-bounces@psubs.org">personal_submersibles-bounces@psubs.org</a>] <b>On Behalf Of
</b>Land N Sea<br clear="none"><b>Sent:</b> Thursday, November 07, 2013 2:18
PM<br clear="none"><b>To:</b> <a href="mailto:personal_submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a><br clear="none"><b>Subject:</b>
[PSUBS-MAILIST] buoyancy<u></u><u></u></span></div></div></div>
<div class="yiv0711693997MsoNormal"><u></u><u></u> </div>
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<div>
<div class="yiv0711693997MsoNormal"><span style='font-family: "Calibri", "sans-serif";'>I was
thinking of testing both my battery pods to 600’ before I weld them to the
hull so that if there are any issues with leakage I would still be able to get
them on a lathe. I added two vents per pod with O rings so that I can
push/suck air across the batteries while charging so there are a couple of
more places for leaks to occur. I did the calks' and they weigh in at 295 LBS.
each dry with a negative displacement of around 30 lbs. I was hoping that they
would barley float with no batteries in them so that I could weight them just
slightly negative for ease of launching and retrieving but that’s not the
case. I need to come up with about 30 lbs. of positive buoyancy and don’t have
any syntactic foam so I figured I could strap some 4” X 4”, on them to achieve
that. This may be a dumb question but does anyone happen to know the per foot
buoyancy of a 4” X 4” in sea water? If not I’ll head down to the ocean and
start testing.<u></u><u></u></span></div></div>
<div>
<div class="yiv0711693997MsoNormal"><span style='font-family: "Calibri", "sans-serif";'>I also
mentioned the other week about my desire to omit the plate that is welded to
the pressure hull and battery pod of a K-350 and was wondering if any one
could comment on that.<u></u><u></u></span></div></div>
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<div class="yiv0711693997MsoNormal"><span style='font-family: "Calibri", "sans-serif";'><u></u><u></u></span> </div></div>
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<div class="yiv0711693997MsoNormal"><span style='font-family: "Calibri", "sans-serif";'>Rick<u></u><u></u></span></div></div></div></div></div></div><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles
mailing list<br clear="none"><a href="mailto:Personal_Submersibles@psubs.org" target="_blank" rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.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/listinfo.cgi/personal_submersibles</a><br clear="none"><br clear="none"></blockquote></div>
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