<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yiv6156526018"><div id="yui_3_16_0_ym19_1_1473829759255_3635"><div id="yui_3_16_0_ym19_1_1473829759255_3634" style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2779"><span>Brian,</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2778" dir="ltr"><span id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2777">that is doable. You could have a winch that keeps a certain</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2787" dir="ltr"><span id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2786">tension on the line & have the line running through a ring,</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2850" dir="ltr"><span id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2849">say a foot down below the buoy. When there is an angle on the</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2852" dir="ltr"><span id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2851">line it would pull the ring in a certain direction; the ring movement</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2853" dir="ltr"><span id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2893">would tell the rov to move in that direction till the pressure was </span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2889" dir="ltr"><span>off the ring. </span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2909" dir="ltr"><span id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2910">You could make most of that up with RC parts for boats</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2911" dir="ltr"><span id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2942">apart from the winch. I think you would be looking at at least $500-</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2941" dir="ltr"><span id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2943">in parts to do it, plus a lot of time.</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2926" dir="ltr"><span id="yui_3_16_0_ym19_1_1473829759255_3705">Alan</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2908" dir="ltr"><span></span><br clear="none"></div><div class="yiv6156526018qtdSeparateBR" id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2710"><br clear="none"><br clear="none"></div></div></div></div><div class=".yiv6156526018yahoo_quoted" id="yui_3_16_0_ym19_1_1473829759255_3706"> <div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2782" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2781" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div class="qtdSeparateBR"><br><br></div><div class="yiv6156526018yqt6611289247" id="yiv6156526018yqt81707"><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2780" dir="ltr"> <font id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2784" face="Arial" size="2"> </font><hr size="1" id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2785"> <b><span style="font-weight: bold;">From:</span></b> Brian Cox via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight: bold;">Sent:</span></b> Wednesday, September 14, 2016 3:01 PM<br clear="none"> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Retractable Reel<br clear="none"> </div> <div class="yiv6156526018y_msg_container" id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2957"><br clear="none"><div id="yiv6156526018"><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2956"><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2955" style="font-family: Arial, sans-serif; font-size: 10pt;"><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2954">The ideal thing would be to have an autonomous rov buoy which would shadow your sub on the surface ! But how to communicate between the two ? Sonar ?</div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2958"> </div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2959">Brian <br clear="none"><br clear="none">--- personal_submersibles@psubs.org wrote:<br clear="none"><br clear="none">From: Alan James via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none">To: Personal Submersibles General Discussion <personal_submersibles@psubs.org><br clear="none">Subject: Re: [PSUBS-MAILIST] Retractable Reel<br clear="none">Date: Tue, 13 Sep 2016 20:07:48 +0000 (UTC)<br clear="none"><br clear="none"></div><div class="yiv6156526018yqt9344253748" id="yiv6156526018yqt12310"><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2961" style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);"><div><span>James,</span></div><div dir="ltr"><span>why do you want to drag your dog around behind your submarine?</span></div><div dir="ltr"><span> I have thought of having a float that I can send up when ascending,</span></div><div dir="ltr"><span>to alert surface boats to my position. The idea is to send it up from about </span></div><div dir="ltr"><span>the 20 - 30ft mark, & have a retracting mechanism to wind in the slack.</span></div><div dir="ltr"><span>There are plenty of divers reels to utilize as a starting point. Lasse's thread</span></div><div dir="ltr"><span>on using a pneumatic driver got me thinking that a simple pneumatic turbine</span></div><div dir="ltr"><span>with a feed pressure of around 4psi would pull any slack line in & let a large</span></div><div dir="ltr"><span>enough float pull it out. </span></div><div dir="ltr"><span>It may be a bit more complex in your scenario, as you will have the force from</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2960" dir="ltr"><span>drag to consider.</span></div><div dir="ltr"><span>Other thoughts are to start with the divers reel & copy a retracting mechanism</span></div><div dir="ltr"><span>from somewhere, but using a 316 stainless clock spring of the right size & torsion.</span></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2963" dir="ltr"><span id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2962">Let us know how you get on.</span></div><div dir="ltr"><span>Alan</span></div><div dir="ltr"><span></span><br clear="none"></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2964"><br clear="none"><br clear="none"></div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2971" style="display: block;"> <div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2970" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2969" 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> James Frankland via Personal_Submersibles <personal_submersibles@psubs.org><br clear="none"> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br clear="none"> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, September 13, 2016 11:35 PM<br clear="none"> <b><span style="font-weight: bold;">Subject:</span></b> [PSUBS-MAILIST] Retractable Reel<br clear="none"> </div> <div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2968"><br clear="none"><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2967"><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2966" dir="ltr"><div>Anyone got any ideas for a retractable reel? I need to have a SMB but I don't want rope trailing around all over the place.</div><div> </div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2965">I was thinking of something like one of those automatic retracting dog leads. So it will auto wind up and down. </div><div> </div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2972">Ive searched for something suitable off the shelf but cant find anything.</div><div id="yiv6156526018yui_3_16_0_ym19_1_1473822536160_2973"> </div><div>I don't have a through hull available for a manual winding one.</div><div> </div><div>Im temped to use 2 of those dog leads. One on the bobber, one on the boat with them joined in the middle. That would give me about 20 meters. Of course, they would disintegrate after the first use, but ive got several old ones at home that could be sacrificed.</div><div> </div><div>Or, some sort of retracting device that could be put inside the bobber?</div><div> </div><div>any thoughts?<br clear="none"><br clear="none">regards</div><div>James</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"><br clear="none"></div> </div> </div> </div></div></div>_______________________________________________
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