<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Brian,</div><div id="AppleMailSignature">sounds like it could be trouble.</div><div id="AppleMailSignature">You would have to put it in & take it out after every dive.</div><div id="AppleMailSignature">If you forget about it maybe you could drop your weights on the</div><div id="AppleMailSignature">road towing home!</div><div id="AppleMailSignature">Also you may be in an uncontrolled descent & want to drop as much</div><div id="AppleMailSignature">weight as possible, quickly, & not in 12 hours time.</div><div id="AppleMailSignature"> For a long time they have been using barley sugar lollies as timers to drop</div><div id="AppleMailSignature">long lines from various delivery devices!</div><div id="AppleMailSignature">Alan</div><div id="AppleMailSignature"><br><br>Sent from my iPad</div><div><br>On 13/09/2017, at 1:58 PM, hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div></div>
<div>Brian,</div><div>You still get the points.</div><div>Hank</div><div><br></div>
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On Tuesday, September 12, 2017, 7:14:42 PM MDT, Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:
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<div><div id="yiv1291750235"><div><div style="font-family:Arial, sans-serif;font-size:10pt;"><div>Oh crap, thought I had an original thought !</div><div> </div><div>Brian<br clear="none"><br clear="none">--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:<br clear="none"><br clear="none">From: james cottrell via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">Subject: Re: [PSUBS-MAILIST] Drop weight<br clear="none">Date: Wed, 13 Sep 2017 00:36:53 +0000 (UTC)<br clear="none"><br clear="none"></div><div class="yiv1291750235yqt7287797943" id="yiv1291750235yqt24877"><div style="color:rgb(0, 0, 0);font-family:verdana, helvetica, sans-serif;font-size:13px;background-color:rgb(255, 255, 255);"><div><span>Brian,</span></div><div><span><br clear="none"></span></div><div><span>Corrosion triggered weight release was one of the safety features incorporated into James Cameron's sub Deep Sea Challenger.</span></div><div><span><br clear="none"></span></div><div><span>Greg</span></div><div><br clear="none"><br clear="none"></div><div style="display:block;"> <div style="font-family:verdana, helvetica, sans-serif;font-size:13px;"> <div style="font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <div dir="ltr"> <font face="Arial" size="2"> </font><hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> <b><span style="font-weight:bold;">To:</span></b> PSubs <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> <br clear="none"> <b><span style="font-weight:bold;">Sent:</span></b> Tuesday, September 12, 2017 8:10 PM<br clear="none"> <b><span style="font-weight:bold;">Subject:</span></b> [PSUBS-MAILIST] Drop weight<br clear="none"> </div> <div><br clear="none"><div><div style="font-family:Arial, sans-serif;font-size:10pt;"><div>Hi All,</div><div> I had an idea for an emergency drop weight, and it would also work for a depth testing function. Basically it would be a corrosion triggered release. Every time you go on a planned dive you insert a anode type material ( a bi-metal corrosion bolt) which would be scheduled to corrode out in what ever time frame you want. So in addition to your regular drop weight you would also have this back up device designed to disintegrate at a calculated time. I know it would work in salt water , for fresh water you may have to use some kind of different materials. I have a friend who's father use to do some studies for Scripps and the devised some fish traps that would float to the surface after a certain time period.</div><div> </div><div>Brian</div></div>
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