<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hank,</div><div><br></div><div>What I don't like about deep water remote testing, is the fact that we are testing against the worst case scenario, a sub full of water. The good news of course being unmanned.</div><div><br></div><div>Therefore to my mind we must be prepared for that worst case scenario, meaning being in the best possible position to recover the sub. That means heavy lifting doesn't it?</div><div><br></div><div>Sending a grapple down a line requires 100% success in making contact, is that assured? I don't know I've never done it.</div><div><br></div><div>So if I had the means to send it down on a cable, that's what I think I'd do.</div><div><br></div><div>Joe<br><br><br></div><div><br>On Feb 7, 2014, at 6:08 PM, hank pronk <<a href="mailto:hanker_20032000@yahoo.ca">hanker_20032000@yahoo.ca</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div>PROBLEM, now that I am getting Alec's auto pilot, I run the risk of the sub surfacing violently if it develops a leak and the water sensor tells the sub to surface. If I have my steel barge above Gamma there could be a very serious collision. The other option is to forget the barge and send Gamma down with a rope attached as a locator and a way to slide a cable down to retrieve it. The rope only needs a rubber float to locate it. I would put a second auto pilot in that relies on a battery going dead to make it surface with a separate hp source.</div><div>What to do hmmm</div><div>The other option is use the auto pilot from Alec without the water sensor and have the barge over Gamma with the cable between. Then there is a safety if the cable fell off or what
ever, and if the sub fills with water I can winch it up. </div><div>Hmm , what do you guys think.</div><div>Hank</div></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>