<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div dir="ltr" id="yui_3_16_0_1_1414722507955_13006"><span id="yui_3_16_0_1_1414722507955_13005">Hi Pete,</span></div><div dir="ltr" id="yui_3_16_0_1_1414722507955_13008"><span id="yui_3_16_0_1_1414722507955_13007">I have been looking at frameless brushless motors, but converting</span></div><div dir="ltr" id="yui_3_16_0_1_1414722507955_13010"><span id="yui_3_16_0_1_1414722507955_13009">a brushed motor to a brushless would be huge (for me) if that is</span></div><div dir="ltr" id="yui_3_16_0_1_1414722507955_13012"><span id="yui_3_16_0_1_1414722507955_13011">what you mean. Also one of the attractions of the brushless motors</span></div><div dir="ltr" id="yui_3_16_0_1_1414722507955_13014"><span id="yui_3_16_0_1_1414722507955_13013">I've looked at, is the power to size ratio. </span></div><div dir="ltr" id="yui_3_16_0_1_1414722507955_13014"><span id="yui_3_16_0_1_1414722507955_13309">The little motor I have is 2" diameter X 3.5" long & weighs 788gms </span></div><div dir="ltr" id="yui_3_16_0_1_1414722507955_13014"><span id="yui_3_16_0_1_1414722507955_14205">for 1850W, which is more powerful than a MinnKotta 101</span></div><div dir="ltr" id="yui_3_16_0_1_1414722507955_13014"><span>Alan</span></div><br> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1414722507955_13313"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1414722507955_13312"> <div dir="ltr" id="yui_3_16_0_1_1414722507955_13311"> <hr size="1" id="yui_3_16_0_1_1414722507955_14204"> <font size="2" face="Arial" id="yui_3_16_0_1_1414722507955_13310"> <b><span style="font-weight:bold;">From:</span></b> Pete Niedermayr via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Friday, October 31, 2014 3:22 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Alan needs a motor<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1414722507955_13314"><br>Why not buy a Minnkota or like and use the motor part ?<br clear="none"><br clear="none">Pete<br clear="none">--------------------------------------------<br clear="none">On Thu, 10/30/14, Hugh Fulton via Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none"><br clear="none"> Subject: Re: [PSUBS-MAILIST] Alan needs a motor<br clear="none"> To: "'Personal Submersibles General Discussion'" <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> Date: Thursday, October 30, 2014, 7:28 PM<br clear="none"> <br clear="none"> #yiv9915414630<br clear="none"> #yiv9915414630 --<br clear="none"> <br clear="none"> _filtered #yiv9915414630 {font-family:Calibri;panose-1:2 15<br clear="none"> 5 2 2 2 4 3 2 4;}<br clear="none"> _filtered #yiv9915414630 {font-family:Tahoma;panose-1:2 11<br clear="none"> 6 4 3 5 4 4 2 4;}<br clear="none"> _filtered #yiv9915414630 {font-family:helveticaneue;}<br clear="none"> #yiv9915414630 <br clear="none"> #yiv9915414630 p.yiv9915414630MsoNormal, #yiv9915414630<br clear="none"> li.yiv9915414630MsoNormal, #yiv9915414630<br clear="none"> div.yiv9915414630MsoNormal<br clear="none"> {margin:0cm;margin-bottom:.0001pt;font-size:12.0pt;}<br clear="none"> #yiv9915414630 a:link, #yiv9915414630<br clear="none"> span.yiv9915414630MsoHyperlink<br clear="none"> {color:blue;text-decoration:underline;}<br clear="none"> #yiv9915414630 a:visited, #yiv9915414630<br clear="none"> span.yiv9915414630MsoHyperlinkFollowed<br clear="none"> {color:purple;text-decoration:underline;}<br clear="none"> #yiv9915414630 p.yiv9915414630MsoAcetate, #yiv9915414630<br clear="none"> li.yiv9915414630MsoAcetate, #yiv9915414630<br clear="none"> div.yiv9915414630MsoAcetate<br clear="none"> {margin:0cm;margin-bottom:.0001pt;font-size:8.0pt;}<br clear="none"> #yiv9915414630 p.yiv9915414630msoacetate, #yiv9915414630<br clear="none"> li.yiv9915414630msoacetate, #yiv9915414630<br clear="none"> div.yiv9915414630msoacetate<br clear="none"> {margin-right:0cm;margin-left:0cm;font-size:12.0pt;}<br clear="none"> #yiv9915414630 p.yiv9915414630msonormal, #yiv9915414630<br clear="none"> li.yiv9915414630msonormal, #yiv9915414630<br clear="none"> div.yiv9915414630msonormal<br clear="none"> {margin-right:0cm;margin-left:0cm;font-size:12.0pt;}<br clear="none"> #yiv9915414630 p.yiv9915414630msochpdefault, #yiv9915414630<br clear="none"> li.yiv9915414630msochpdefault, #yiv9915414630<br clear="none"> div.yiv9915414630msochpdefault<br clear="none"> {margin-right:0cm;margin-left:0cm;font-size:12.0pt;}<br clear="none"> #yiv9915414630 span.yiv9915414630msohyperlink<br clear="none"> {}<br clear="none"> #yiv9915414630 span.yiv9915414630msohyperlinkfollowed<br clear="none"> {}<br clear="none"> #yiv9915414630 span.yiv9915414630emailstyle17<br clear="none"> {}<br clear="none"> #yiv9915414630 p.yiv9915414630msonormal1, #yiv9915414630<br clear="none"> li.yiv9915414630msonormal1, #yiv9915414630<br clear="none"> div.yiv9915414630msonormal1<br clear="none"> {margin:0cm;margin-bottom:.0001pt;font-size:12.0pt;}<br clear="none"> #yiv9915414630 span.yiv9915414630msohyperlink1<br clear="none"> {color:blue;text-decoration:underline;}<br clear="none"> #yiv9915414630 span.yiv9915414630msohyperlinkfollowed1<br clear="none"> {color:purple;text-decoration:underline;}<br clear="none"> #yiv9915414630 p.yiv9915414630msoacetate1, #yiv9915414630<br clear="none"> li.yiv9915414630msoacetate1, #yiv9915414630<br clear="none"> div.yiv9915414630msoacetate1<br clear="none"> {margin:0cm;margin-bottom:.0001pt;font-size:8.0pt;}<br clear="none"> #yiv9915414630 span.yiv9915414630emailstyle171<br clear="none"> {color:#1F497D;}<br clear="none"> #yiv9915414630 p.yiv9915414630msochpdefault1, #yiv9915414630<br clear="none"> li.yiv9915414630msochpdefault1, #yiv9915414630<br clear="none"> div.yiv9915414630msochpdefault1<br clear="none"> {margin-right:0cm;margin-left:0cm;font-size:10.0pt;}<br clear="none"> #yiv9915414630 span.yiv9915414630EmailStyle29<br clear="none"> {color:#1F497D;}<br clear="none"> #yiv9915414630 span.yiv9915414630BalloonTextChar<br clear="none"> {}<br clear="none"> #yiv9915414630 .yiv9915414630MsoChpDefault<br clear="none"> {font-size:10.0pt;}<br clear="none"> _filtered #yiv9915414630 {margin:72.0pt 72.0pt 72.0pt<br clear="none"> 72.0pt;}<br clear="none"> #yiv9915414630 div.yiv9915414630WordSection1<br clear="none"> {}<br clear="none"> #yiv9915414630 No what revs is the small motor<br clear="none"> you found. You said it was very high. Hugh From: Personal_Submersibles<br clear="none"> [mailto:<a shape="rect" ymailto="mailto:personal_submersibles-bounces@psubs.org" href="mailto:personal_submersibles-bounces@psubs.org">personal_submersibles-bounces@psubs.org</a>] On<br clear="none"> Behalf Of Alan James via Personal_Submersibles<br clear="none"> Sent: Friday, 31 October 2014 1:07<br clear="none"> p.m.<br clear="none"> To: Personal Submersibles<br clear="none"> General Discussion<br clear="none"> Subject: Re:<br clear="none"> [PSUBS-MAILIST] Alan needs a motor Hi<br clear="none"> Hugh,I'm<br clear="none"> looking for something under 3000rpm straight from the<br clear="none"> motorwithout a<br clear="none"> gear box.Why 3000rpm?<br clear="none"> Mainly because that seems to be the maximum that the<br clear="none"> professionalthruster<br clear="none"> manufacturers go to; also some other reading I have done<br clear="none"> indicated thatthat was at<br clear="none"> the high end.Alan<br clear="none"> From: Hugh Fulton via<br clear="none"> Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> To: 'Personal Submersibles General<br clear="none"> Discussion' <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> <br clear="none"> Sent: Friday, October 31, 2014 1:00<br clear="none"> PM<br clear="none"> Subject: Re: [PSUBS-MAILIST] Alan<br clear="none"> needs a motor<br clear="none"> AlanWhat<br clear="none"> revs? Hugh <br clear="none"> From:<br clear="none"> Personal_Submersibles [mailto:<a shape="rect" ymailto="mailto:personal_submersibles-bounces@psubs.org" href="mailto:personal_submersibles-bounces@psubs.org">personal_submersibles-bounces@psubs.org</a>]<br clear="none"> On Behalf Of Alan James via Personal_Submersibles<br clear="none"> Sent: Friday, 31 October 2014 12:40<br clear="none"> p.m.<br clear="none"> To: Personal Submersibles<br clear="none"> General Discussion<br clear="none"> Subject: Re:<br clear="none"> [PSUBS-MAILIST] Alan needs a motor Hi<br clear="none"> Brian,thanks. That<br clear="none"> one is 15hp & 8"<br clear="none"> diameter.The motor I<br clear="none"> do have is 2hp & 2" diameter but just<br clear="none"> revstoo fast.<br clear="none"> Hopefully I will find a solution that doesn't need a<br clear="none"> gear box.Alan From:<br clear="none"> Brian Cox via Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> To: Personal Submersibles General<br clear="none"> Discussion <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> <br clear="none"> Sent: Friday, October 31, 2014 12:25<br clear="none"> PM<br clear="none"> Subject: Re: [PSUBS-MAILIST] Alan<br clear="none"> needs a motor What<br clear="none"> about this one? <a shape="rect" href="http://www.thunderstruck-ev.com/motenergy-me0909.html%C2%A0brian" target="_blank">http://www.thunderstruck-ev.com/motenergy-me0909.html brian</a><br clear="none"> <br clear="none"> --- <a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a><br clear="none"> wrote:<br clear="none"> <br clear="none"> From: Alan James via<br clear="none"> Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> To: Personal Submersibles General Discussion<br clear="none"> <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> Subject: Re: [PSUBS-MAILIST] Alan needs a<br clear="none"> motor<br clear="none"> Date: Thu, 30 Oct 2014 20:22:42 +0000<br clear="none"> (UTC) Thanks Hank<br clear="none"> & Graham.I am probably<br clear="none"> searching for Nirvana here.First I am<br clear="none"> set on finding a brushless motor<br clear="none"> solution.I spent<br clear="none"> multiple hours of Googling, focusing on E-bikes, scooters<br clear="none"> etc.The E-bikes<br clear="none"> are mainly hub motors that are narrow with a large diameter,<br clear="none"> whichis no good as<br clear="none"> far as drag is concerned, plus you need a big prop to get<br clear="none"> out beyondthe diameter<br clear="none"> of the motor. There are units with 5-1 gear box ratios at<br clear="none"> 48V 1500Wbut they can<br clear="none"> weigh around 14kg. I bought an 1850W Hobby King BLDC<br clear="none"> outrunnermotor for<br clear="none"> $56- & it weighs 530 grams. So more powerful &<br clear="none"> 1/27th the weight.This does 236<br clear="none"> rpm per volt, & from what I've read you don't<br clear="none"> want to be turning yourprop at more<br clear="none"> than 3000rpm on a sub. This means I would have to drive this<br clear="none"> motor with a maximum of<br clear="none"> 12V & it's rated for a maximum of<br clear="none"> 37.To disipate<br clear="none"> the heat from the stationary inner coil of an outrunner, I<br clear="none"> may be forced togo with oil<br clear="none"> compensation; which is what most commercial brushless<br clear="none"> thrusters are anyway.One solution<br clear="none"> I can see is to go with a much larger hobby type motor &<br clear="none"> run it way belowit's<br clear="none"> maximum voltage to keep the revs down. Also I wouldn't<br clear="none"> be thrashing the motorwhich may<br clear="none"> help it live a lot<br clear="none"> longer.Need to do a<br clear="none"> lot more study here, then experimentation with motors &<br clear="none"> props in water.AlanP.S. Hank I<br clear="none"> was given a motorized Golf trundler & converted it to a<br clear="none"> trike with ape hangersand pink<br clear="none"> banana seat for my girls. Boy did they love showing off on<br clear="none"> that. From:<br clear="none"> hank pronk via Personal_Submersibles <<a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none"> To: <a shape="rect" ymailto="mailto:personal_submersibles@psubs.org" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a><br clear="none"> <br clear="none"> Sent: Friday, October 31, 2014 1:32<br clear="none"> AM<br clear="none"> Subject: [PSUBS-MAILIST] Alan<br clear="none"> needs a motor<br clear="none"> Alan,<br clear="none"> I just went on ebay and<br clear="none"> found a 1,000 watt 48v brushless motor with controller for<br clear="none"> 200 dollars. It is for an electric bike. I bought one<br clear="none"> for my son a few years back and it was amazing. He was<br clear="none"> driving it all over town and towing his buddy on his skate<br clear="none"> board. Just type in brushless 48 v motor.<br clear="none"> You won't need a gearbox either.<br clear="none"> Hank<br clear="none"> _______________________________________________<br clear="none"> Personal_Submersibles mailing list<br clear="none"> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles_______________________________________________" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles_______________________________________________</a><br clear="none"> Personal_Submersibles mailing list <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"> _______________________________________________<br clear="none"> Personal_Submersibles mailing list<br clear="none"> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles%C2%A0" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles </a><br clear="none"> <br clear="none"> __________ Information from<br clear="none"> ESET NOD32 Antivirus, version of virus signature database<br clear="none"> 10647 (20141030) __________<br clear="none"> <br clear="none"> The message was checked by ESET NOD32<br clear="none"> Antivirus.<br clear="none"> <br clear="none"> <a shape="rect" href="http://www.eset.com/" target="_blank">http://www.eset.com</a><br clear="none"> <br clear="none"> __________ Information from<br clear="none"> ESET NOD32 Antivirus, version of virus signature database<br clear="none"> 10647 (20141030) __________<br clear="none"> <br clear="none"> The message was checked by ESET NOD32<br clear="none"> Antivirus.<br clear="none"> <br clear="none"> <a shape="rect" href="http://www.eset.com/" target="_blank">http://www.eset.com</a><br clear="none"> _______________________________________________<br clear="none"> Personal_Submersibles mailing list<br clear="none"> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"> <br clear="none"> <br clear="none"> __________ Information from ESET NOD32<br clear="none"> Antivirus, version of virus signature database 10647<br clear="none"> (20141030) __________<br clear="none"> <br clear="none"> The<br clear="none"> message was checked by ESET NOD32 Antivirus.<br clear="none"> <br clear="none"> <a shape="rect" href="http://www.eset.com/" target="_blank">http://www.eset.com</a><br clear="none"> <br clear="none"> <br clear="none"> __________ Information<br clear="none"> from ESET NOD32 Antivirus, version of virus signature<br clear="none"> database 10647 (20141030) __________<br clear="none"> <br clear="none"> The message was checked by ESET NOD32<br clear="none"> Antivirus.<br clear="none"> <br clear="none"> <a shape="rect" href="http://www.eset.com/" target="_blank">http://www.eset.com</a><br clear="none"> <br clear="none"> -----Inline Attachment Follows-----<div class="qtdSeparateBR"><br><br></div><div class="yqt3094348512" id="yqtfd04861"><br clear="none"> <br clear="none"> _______________________________________________<br clear="none"> Personal_Submersibles mailing list<br clear="none"> <a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"> <a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"> <br clear="none"><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></div><br><br></div> </div> </div> </div></body></html>