<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><span></span></div><div><meta http-equiv="content-type" content="text/html; charset=utf-8"><div></div><div>Hi Brian,</div><div>3hp is 2,200W, so 500W with no load seems excessively high.</div><div>Just measured mine & it's .9Amps (900mAh) for a 1500W compensated motor running in a 5cst silicone oil. Running off 48V also. So under 49W.</div><div>I think you have a large prop on your motors. I just saw your gearing ratio, but the</div><div>loss shouldn't be that much.</div><div>I would test them individually in case one is at fault.</div><div>Cheers Alan</div><div><br>On 8/03/2020, at 2:54 PM, Brian Cox 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:Arial, sans-serif; font-size:10pt;"><font size="2" style=""><font face="Arial, sans-serif">Alan, They are 3 hp golf cart motors, true there is no load but If I kept the same amp draw while actually at sea then it seems it would be equivalent. Under actual conditions it would probably be going very slowly while drawing 21 amps ( 10.5 amps per motor ) . </font></font><div><font face="Arial, sans-serif" size="2"><br></font></div><div><font face="Arial, sans-serif" size="2">Brian</font></div><div><font face="Arial, sans-serif" size="2"><br></font></div><div><font face="Arial, sans-serif" size="2"><br></font><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:</span><br><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">From: Alan via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">Subject: Re: [PSUBS-MAILIST] (no subject)</span><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">Date: Sun, 8 Mar 2020 14:21:54 +1300</span><br><br><div style="font-family: Arial, sans-serif; font-size: 10pt;"></div><div style="font-family: Arial, sans-serif; font-size: 10pt;">Brian,</div><div style="font-family: Arial, sans-serif; font-size: 10pt;">I take it that there is no load on the motor!</div><div style="font-family: Arial, sans-serif; font-size: 10pt;">That seems a high power consumption, 500 Watts per motor.</div><div style="font-family: Arial, sans-serif; font-size: 10pt;">Have you got the specs for those motors? Have you checked them individually?</div><div style="font-family: Arial, sans-serif; font-size: 10pt;">Alan</div><div style="font-family: Arial, sans-serif; font-size: 10pt;"><br>On 8/03/2020, at 1:26 PM, Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote style="font-family: Arial, sans-serif; font-size: 10pt;"><div><div style="font-family:Arial, sans-serif; font-size:10pt;"><font size="2" style=""><font face="Arial, sans-serif">There are some times when 110 vac could be needed, like computer stuff. Just a thought, we can have an open mind on the subject ! </font></font><div><font size="2" style=""><font face="Arial, sans-serif"><br></font></font></div><div><font size="2" style=""><font face="Arial, sans-serif"><br></font></font></div><div><font size="2" style=""><font face="Arial, sans-serif"> Right now I'm running my motors to see how long they'll go. It's a kind of cool rainy day so the temperature is close to what the ocean would be . I've got the oil expansion tube going into a bucket so I can get an idea how large of a reservoir I will need to take care of the expansion. I think I'm going to opt for just a reservoir on the motor side and then I'm running a hose up high and then back down to take care of the compression up the tube for when I submerge. Since most of the compression of air will occur in the first 30' the water should never get high enough ( in the tube) to go over the hump and get</font></font><span style="font-family: Arial, sans-serif; font-size: small;"> into the motor compartment. So the whole system will be open . I'm also monitoring Voltage , Amp draw, and , Watts </span><span style="font-family: Arial, sans-serif; font-size: small;"> 48 volts 21 amps 1030 watts - two motors running .</span></div><div><font size="2" style=""><font face="Arial, sans-serif"><br></font></font></div><div><font size="2" style=""><font face="Arial, sans-serif"> </font></font></div><div><font face="Arial, sans-serif" size="2"><br></font></div><div><font face="Arial, sans-serif" size="2">Brian</font></div><div><font face="Arial, sans-serif" size="2"> </font></div><div><font face="Arial, sans-serif" size="2"><br></font><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:</span><br><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">From: hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">To: Brian Cox via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">Subject: Re: [PSUBS-MAILIST] (no subject)</span><br><span style="font-family: Arial, sans-serif; font-size: 10pt;">Date: Sun, 8 Mar 2020 00:06:47 +0000 (UTC)</span><br><br><div style="font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 13px;"><div></div>
<div dir="ltr">Why complicate a simple solution? this works great! Bad Brian!</div><div dir="ltr"><br></div><div dir="ltr">Hank</div><div><br></div>
</div><div style="font-family: Arial, sans-serif; font-size: 10pt;">
<div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
<div>
On Saturday, March 7, 2020, 4:59:49 PM MST, Brian Cox 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><div><div style="font-family:Arial, sans-serif;font-size:10pt;"><font size="2">There are a lot of 110AC led's out there , it would be a simple matter to run a DC inverter to make 110ac voltage , I wonder if there would be any advantage to that, there might be some better quality led's that are made for AC voltage, Any thoughts on that?</font><div><font size="2"><br></font></div><div><font size="2">Brian</font></div><div><font size="2"><br></font></div><div><font size="2"><br></font><br><span style="font-size:10pt;">--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:</span><br><br><span style="font-size:10pt;">From: hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span><br><span style="font-size:10pt;">To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>></span><br><span style="font-size:10pt;">Subject: [PSUBS-MAILIST] (no subject)</span><br><span style="font-size:10pt;">Date: Sat, 7 Mar 2020 16:30:26 +0000 (UTC)</span><br><br><div><div style="font-size:13px;"><div dir="ltr"><span><a href="https://www.youtube.com/watch?v=dHDUilUO6P8"> 15:13
Now playing
Watch later
Watch later
Add to queue
Add to queue </a></span><div><br></div><div style="max-width:400px;"><a href="https://www.youtube.com/watch?v=dHDUilUO6P8" style="text-decoration:none !important;color:#000 !important;"><table border="0" cellpadding="0" cellspacing="0" style="max-width:400px;"><tbody><tr><td colspan="1" rowspan="1" width="400"><table border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width:400px;border-width:1px;border-style:solid;border-color:rgb(224, 228, 233);border-radius:2px;"><tbody><tr><td colspan="1" rowspan="1" valign="top" background="https://s.yimg.com/lo/api/res/1.2/pCGK4TnWlO6wGQtUBDoXZg--~A/Zmk9ZmlsbDt3PTQwMDtoPTIwMDthcHBpZD1pZXh0cmFjdA--/https://i.ytimg.com/vi/dHDUilUO6P8/hqdefault.jpg.cf.jpg" bgcolor="#000000" height="175" style="background-color:rgb(0, 0, 0);background-size:cover;position:relative;border-top-left-radius:2px;border-top-right-radius:2px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;min-height:175px;"><table border="0" cellpadding="0" cellspacing="0" style="width:100%;"><tbody><tr><td colspan="1" rowspan="1" valign="top" background="https://s.yimg.com/cv/ae/nq/storm/assets/enhancrV21/1/enhancr_gradient-400x175.png" bgcolor="transparent" style="background-color:transparent;border-top-left-radius:2px;border-top-right-radius:2px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;min-height:175px;"><table border="0" height="175" style="width:100%;min-height:175px;"><tbody><tr><td colspan="1" rowspan="1" style="text-align:left;padding:15px 0 0 15px;vertical-align:top;"></td><td colspan="1" rowspan="1" style="text-align:right;padding:15px 15px 0 0;vertical-align:top;"><div></div></td></tr></tbody></table></td></tr></tbody></table></td></tr><tr><td colspan="1" rowspan="1"><table align="center" border="0" cellpadding="0" cellspacing="0" style="background:#fff;position:relative;z-index:2;width:100%;max-width:400px;border-radius:0 0 2px 2px;border-top:1px solid rgb(224, 228, 233);"><tbody><tr><td colspan="1" rowspan="1" style="background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top;border-radius:0 0 0 2px;"><img src="https://s.yimg.com/nq/storm/assets/enhancrV2/23/logos/youtube.png" height="36" style="min-width:36px;margin-top:3px;"></td><td colspan="1" rowspan="1" style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;"><h2 style="font-size:14px;line-height:19px;margin:0px 0px 6px;">How To Make An Underwater Submarine LED Light Bar</h2><p style="font-size:12px;line-height:16px;margin:0px;color:rgb(151, 155, 167);">In this video I am converting an everyday LED light bar into the deep diving, oil filled, underwater light bar t...</p></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a></div><div><br></div><div><br></div><br></div></div></div><span style="font-size:10pt;">_______________________________________________
Personal_Submersibles mailing list
</span><a style="font-size:10pt;">Personal_Submersibles@psubs.org</a>
<a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" style="font-size:10pt;">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a>
</div></div></div></div><div>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br></div></div>
</div>
</div><span style="font-family: Arial, sans-serif; font-size: 10pt;">_______________________________________________
Personal_Submersibles mailing list
</span><a style="font-family: Arial, sans-serif; font-size: 10pt;">Personal_Submersibles@psubs.org</a>
<a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" style="font-family: Arial, sans-serif; font-size: 10pt;">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a>
</div></div></div></blockquote><blockquote style="font-family: Arial, sans-serif; font-size: 10pt;"><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><span style="font-family: Arial, sans-serif; font-size: 10pt;">_______________________________________________
Personal_Submersibles mailing list
</span><a href="/eonapps/ft/wm/page/compose?send_to=Personal_Submersibles%40psubs.org" style="font-family: Arial, sans-serif; font-size: 10pt;">Personal_Submersibles@psubs.org</a>
<a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" style="font-family: Arial, sans-serif; font-size: 10pt;">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a>
</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></div></body></html>