<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Never!</div><div>Videos are inspiring for those of us still in the "dream" phase. </div><div><br></div><div><br>On Aug 26, 2017, at 5:14 AM, 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>David,</div></div><div>Honestly I thought I was over doing the video's of Premier Lake, and everyone was getting bored. Deep test Monday, for Gamma, will take pictures.</div><div>Hank</div><div><br></div><div><br></div><div id="yahoo_quoted_4426425975" class="yahoo_quoted"><div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;"><div>On Friday, August 25, 2017, 7:43:42 PM MDT, David Colombo via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:</div><div><br></div><div><br></div><div><div id="yiv8804705250"><div><div dir="ltr">Hank, You don't need any evidence for the wife to see that you were not working on the house, but you should at least take photos to share with the rest of us subbers who are still working on our houses because our wives are watching us.<br clear="none"></div><div class="yiv8804705250gmail_extra"><br clear="all"><div><div class="yiv8804705250gmail_signature"><div dir="ltr"><div>Best Regards,<br clear="none">David Colombo<br clear="none"><img src="http://static.squarespace.com/static/533310a9e4b0fba62008a464/t/5339c1f2e4b041bac4e25d1b/1396294132055/?format=500w" height="110" width="200"><br clear="none">804 College Ave<br clear="none">Santa Rosa, CA. 95404<br clear="none">(707) 536-1424<br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.SeaQuestor.com">www.SeaQuestor.com</a><br clear="none"><br clear="none"></div></div></div></div>
<br clear="none"><div class="yiv8804705250gmail_quote">On Fri, Aug 25, 2017 at 5:27 PM, hank pronk via Personal_Submersibles <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span> wrote:<br clear="none"><blockquote class="yiv8804705250gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="yiv8804705250yqt5976375583" id="yiv8804705250yqt43439"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div><div>My dive today was unexpected because I am supposed to be working on renovating the house and shop that we are moving into next summer. I have decided that the house can wait because submarine adventures are more important. So there, lol. I did not take pictures or video but it was picturesque with a flat sunny lake and great visibility because it has not rained in about two months. </div></div><span class="yiv8804705250HOEnZb"><font color="#888888"></font></span><div>Hank</div><div><div class="yiv8804705250h5"><div><br clear="none"></div><div><br clear="none"></div><div class="yiv8804705250m_-4135612105720778658yahoo_quoted" id="yiv8804705250m_-4135612105720778658yahoo_quoted_4296763954"><div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;"><div>On Friday, August 25, 2017, 6:19:31 PM MDT, via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> wrote:</div><div><br clear="none"></div><div><br clear="none"></div><div><div id="yiv8804705250m_-4135612105720778658yiv5481057533"><div><div>Any pictures or video?<br clear="none"><br clear="none"><br clear="none"><div>Cliff Redus</div></div><div class="yiv8804705250m_-4135612105720778658yiv5481057533yqt0028114982" id="yiv8804705250m_-4135612105720778658yiv5481057533yqt68797"><div><br clear="none">On Aug 25, 2017, at 6:52 PM, hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> wrote:<br clear="none"><br clear="none"></div><blockquote type="cite"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div><div>Alan,</div></div><div>I am going back to switches for now and will get proper controllers over the winter. Lucky for me I have back up travel motors that saved the day.</div><div>Also my inflatable is an absolute dream! can bump into the sub all you want. Now I just hit the brakes and Gamma drifts off untethered off the trailer. Then I park the truck and hop in the inflatable to retrieve Gamma. Nice!</div><div>Hank</div><div><br clear="none"></div><div><br clear="none"></div><div class="yiv8804705250m_-4135612105720778658yiv5481057533yahoo_quoted" id="yiv8804705250m_-4135612105720778658yiv5481057533yahoo_quoted_4165792797"><div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;"><div>On Friday, August 25, 2017, 5:45:29 PM MDT, Alan via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> wrote:</div><div><br clear="none"></div><div><br clear="none"></div><div><div id="yiv8804705250m_-4135612105720778658yiv5481057533"><div><div>They should have DC brushless controllers down to a fine art.</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">There are so many electric bikes & rickshaws over there.</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">Also they are so dominant in the electric RC market that requires </div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">reliable DC controllers.</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">Maybe Hank got some backyard manufacturer using parts from</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">old TVs.</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">I was told to over size my controller by about double.</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">Buy a 3000W controller for a 1500W motor.</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">Also the manufacturers get nervous when you talk about long</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">wire runs from your battery bank to controller. I am not totally</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">clued up on this, but have heard it said to add capacitors along</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">the wire run & twist the wires together to avoid inrush current</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">from the break down of the electric field in the wiring. The PWM</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">would cause a constant building up & breaking down of the magnetic</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">field & a consequent surging of electricity into the input capacitors.</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">I guess a way around this would be to place the controller as close</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">as possible to the battery source & run long runs of wire to the speed</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">control potentiometer & on switch.</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">These days the controllers have all sorts of parameters you have to</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">program in to them when they arrive. Gets very confusing!</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature">Alan</div><div id="yiv8804705250m_-4135612105720778658yiv5481057533AppleMailSignature"><br clear="none"><br clear="none">Sent from my iPad</div><div class="yiv8804705250m_-4135612105720778658yiv5481057533yqt7716780244" id="yiv8804705250m_-4135612105720778658yiv5481057533yqt59360"><div><br clear="none">On 26/08/2017, at 11:15 AM, Sean T. Stevenson via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> wrote:<br clear="none"><br clear="none"></div><blockquote type="cite"><div><p dir="ltr">I read a book about manufacturing in China which I found quite interesting:</p>
<p dir="ltr">"Poorly Made in China" by Paul Midler.</p>
<p dir="ltr">Gives some of the background explanation behind the lack of quality control.</p>
<p dir="ltr">Sean<br clear="none">
</p>
<br clear="none"><br clear="none"><div class="yiv8804705250m_-4135612105720778658yiv5481057533gmail_quote">On August 25, 2017 4:23:28 PM MDT, hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs. org</a>> wrote:<blockquote class="yiv8804705250m_-4135612105720778658yiv5481057533gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">
<div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div>Well I learned another lesson today. I went for a very unexpected dive in Gamma today and both new speed controllers quit. Don't buy electronic parts from China ! Ever! </div><div>Hank</div></div><p style="margin-top:2.5em;margin-bottom:1em;border-bottom:1px solid #000;"></p><pre class="yiv8804705250m_-4135612105720778658yiv5481057533k9mail"></pre><hr><br clear="none">Personal_Submersibles mailing list<br clear="none"><a rel="nofollow" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" target="_blank" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs. org</a><br clear="none"><a rel="nofollow" shape="rect" target="_blank" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/ listinfo.cgi/personal_ submersibles</a><br clear="none"></blockquote></div>
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