<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>Alan,</span></div><div><span>When I was struggling to get my small sub stable enough at the surface (test pool) I bought two ballast bags on e bay with the intention of doing exactly what your talking about. The bags are very good quality for the money. They are ballast bags for wake boats. </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 Sunday, December 1, 2013 3:59:08 PM, Alan <alanlindsayjames@yahoo.com>
wrote:<br> </font> </div> <div class="y_msg_container"><div id="yiv5964543020"><div><div>On a more mundane topic,</div><div>I was looking at these lift bags as a way to conform to classification</div><div>requirements for surface flotation when a ballast tank is damaged.</div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;"><a href="http://www.carterbag.com/encpill.html" target="_blank" rel="nofollow">http://www.carterbag.com/encpill.html</a></span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">If you do an image search on "closed lift bags" you will see a lot of variations.</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">I'm not sure if they would be an acceptable solution with G.L., but there are classified</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">submersibles that use lift bags enclosed in pipes as
their main ballast tanks.</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;"><a href="http://www.seamagine.com/" target="_blank" rel="nofollow">http://www.seamagine.com/</a></span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">Aside from aiding exit from a submersible with damaged ballasts they</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">could supply extra lift at depth if ensnared & on the surface, help with entry / exit in </span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">rough </span><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">conditions. ( could have done with some in Florida )</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">I envisage a set up having one either side of the hull under a hatch that
pops</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">open as the bags expand.</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">I think Glen from South Africa brought this up a few years back but not in the</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">context of damaged or malfunctioning ballast tanks.</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;">Alan</span></div><div><span style="line-height: 19px; font-size: 15px; white-space: nowrap;"><br></span><br><span>Sent from my iPad</span></div></div></div><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br><a
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